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1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSBon Brake/Shift Interlock; Seat Belt Question
Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less
than 25K miles and is really clean. Didn't get driven much over the years so worry about dried out seals and the like. I've changed some fluids and opted to have the local Jeep dealer do the transmission fluid/filter change. They noted (as I did looking at AllData) that it had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They moaned about it being a two hour job and only paying at warranty levels, but said they'd do it if I wanted it. It seems to be an idiot proofing measure related to the location of the pedals in the tight floor space of the Jeeps of that era. Doesn't seem like anything that would "improve" overall performance, longevity, etc. but rather give some measure of increased safety in the event you slam on the accelerator rather than the brake. Mixed reviews in the searches I've done. One guy noted that he had a surging engine on start up without the accelerator depressed. I've got that two and it usually only lasts for about 10 seconds tops before it drops down but it does get up around 3K RPM before doing so (doesn't do it every time). SEE his post: http://groups.google.com/groups?selm...&output=gplain (1) Do folks out there affected by this recall (may be years ago for many of you) think it is worth doing? Any connections made between the surging I (and other apparently) have had? Any problems from doing the work ... especially on an older Jeep (the dealership seemed out of their element working on a 16 year old Jeep -- even if it was in mint condition)? (2) On the transmission filter/fluid change ... the dealership quoted me a price of approx. $90 for the job. I came in dropped it off and found after four hours that they actually quoted me ONLY the labor and the parts would amount to ANOTHER $90. Ended up being a $180 job to replace fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) and the filter. Sound right to you (the total at least)? Finally, (3) I've noted just in the past couple of days that the driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on it (as if in a crash). The passenger shoulder belt does engage the mechanism and stop coming out when given a good yank. Any ideas on whether this is a warranty item on such an old Jeep (given it is a safety thing)? Any known problems with the seat belts on this Jeep? Thank you for the attention. Apologies for cramming all in one message but figured that it was better than a slew of separate messages (which I may try if this one seems to overwhelm). Best, BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSBonBrake/Shift Interlock; Seat Belt Question
I wouldn't bitch about the transmission cost, Chrysler doesn't use
a torque converter drain plug so they must flush the system. Test your seat belts while driving they should then lock up, maybe even annoyingly suck up tight if put the pedal to metal. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ BikeQuest wrote: > > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSBonBrake/Shift Interlock; Seat Belt Question
I wouldn't bitch about the transmission cost, Chrysler doesn't use
a torque converter drain plug so they must flush the system. Test your seat belts while driving they should then lock up, maybe even annoyingly suck up tight if put the pedal to metal. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ BikeQuest wrote: > > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSBonBrake/Shift Interlock; Seat Belt Question
I wouldn't bitch about the transmission cost, Chrysler doesn't use
a torque converter drain plug so they must flush the system. Test your seat belts while driving they should then lock up, maybe even annoyingly suck up tight if put the pedal to metal. God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ BikeQuest wrote: > > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSB on Brake/Shift Interlock; Seat Belt Question
On Wed, 1 Sep 2004 14:11:24 UTC BikeQuest <anon_user@nospam.net>
wrote: > One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > 25k in 16 years?? That was a real find - my 88 has 165k on it. The surge you mention is very likely a dirty/corroded connector to the throttle position sensor (TPS). Sits on the front of the throttle body - unplug it, clean both sides of the contacts as well as you can then plug it in and pull it out several times to break the film. Use a blob of silicone insulating grease to seal out moisture and it should be OK. It might also be a corroded spot on the sensor itself - it's a wire-wound sliding resistor so it will film over after sitting that long especially. With the key off, pump the accelerator a several times just to move it around, then take your foot off the pedal and start. That helps mine when it gets to the 'needs cleaning' stage. Next time you go to that dealer, just bend over and grab your ankles to be ready for what's coming! -- Will Honea |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSB on Brake/Shift Interlock; Seat Belt Question
On Wed, 1 Sep 2004 14:11:24 UTC BikeQuest <anon_user@nospam.net>
wrote: > One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > 25k in 16 years?? That was a real find - my 88 has 165k on it. The surge you mention is very likely a dirty/corroded connector to the throttle position sensor (TPS). Sits on the front of the throttle body - unplug it, clean both sides of the contacts as well as you can then plug it in and pull it out several times to break the film. Use a blob of silicone insulating grease to seal out moisture and it should be OK. It might also be a corroded spot on the sensor itself - it's a wire-wound sliding resistor so it will film over after sitting that long especially. With the key off, pump the accelerator a several times just to move it around, then take your foot off the pedal and start. That helps mine when it gets to the 'needs cleaning' stage. Next time you go to that dealer, just bend over and grab your ankles to be ready for what's coming! -- Will Honea |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change; TSB on Brake/Shift Interlock; Seat Belt Question
On Wed, 1 Sep 2004 14:11:24 UTC BikeQuest <anon_user@nospam.net>
wrote: > One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > 25k in 16 years?? That was a real find - my 88 has 165k on it. The surge you mention is very likely a dirty/corroded connector to the throttle position sensor (TPS). Sits on the front of the throttle body - unplug it, clean both sides of the contacts as well as you can then plug it in and pull it out several times to break the film. Use a blob of silicone insulating grease to seal out moisture and it should be OK. It might also be a corroded spot on the sensor itself - it's a wire-wound sliding resistor so it will film over after sitting that long especially. With the key off, pump the accelerator a several times just to move it around, then take your foot off the pedal and start. That helps mine when it gets to the 'needs cleaning' stage. Next time you go to that dealer, just bend over and grab your ankles to be ready for what's coming! -- Will Honea |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change;TSB on Brake/Shift Interlock; Seat Belt Question
Hi,
In response to your questions: 1) Skip the interlock mod and fix the real problem by replacing or repairing the heat-damaged TPS connectors and rerouting them so they don't get hot again. Also, there is an O2 sensor recall that you might take advantage of: http://alldata.com/TSB/04/880417CN.html 2) Are you sure you need a new trans filter simply because it has been sitting unused? It doesn't show up on the regular maintenance schedule. As for the fluid change, the owners manual says "8.5 quarts total for dry fill. Approximately 4 quarts required for periodic fuel change as specified in Maintenance Schedules". Perhaps the partial fluid change is a reasonable DIY job, not sure. Maybe ask around at some transmission shops for a better quote. Anyway, you're not scheduled for your first change for another 5K miles. 3) Like yours, my seatbelt will not lock when tugged. I initially thought it might be defective, but I've since tested it on a few sharp stops at low speed and it locks up just fine. Not sure if it's slightly worn out, simply less sensitive, or if it uses a different kind of inertial mechanism, but it works. Steve http://xjeep.dyndns.org BikeQuest wrote: > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change;TSB on Brake/Shift Interlock; Seat Belt Question
Hi,
In response to your questions: 1) Skip the interlock mod and fix the real problem by replacing or repairing the heat-damaged TPS connectors and rerouting them so they don't get hot again. Also, there is an O2 sensor recall that you might take advantage of: http://alldata.com/TSB/04/880417CN.html 2) Are you sure you need a new trans filter simply because it has been sitting unused? It doesn't show up on the regular maintenance schedule. As for the fluid change, the owners manual says "8.5 quarts total for dry fill. Approximately 4 quarts required for periodic fuel change as specified in Maintenance Schedules". Perhaps the partial fluid change is a reasonable DIY job, not sure. Maybe ask around at some transmission shops for a better quote. Anyway, you're not scheduled for your first change for another 5K miles. 3) Like yours, my seatbelt will not lock when tugged. I initially thought it might be defective, but I've since tested it on a few sharp stops at low speed and it locks up just fine. Not sure if it's slightly worn out, simply less sensitive, or if it uses a different kind of inertial mechanism, but it works. Steve http://xjeep.dyndns.org BikeQuest wrote: > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
Re: 1988 Jeep Cherokee Laredo -- Transmission Fluid/Filter Change;TSB on Brake/Shift Interlock; Seat Belt Question
Hi,
In response to your questions: 1) Skip the interlock mod and fix the real problem by replacing or repairing the heat-damaged TPS connectors and rerouting them so they don't get hot again. Also, there is an O2 sensor recall that you might take advantage of: http://alldata.com/TSB/04/880417CN.html 2) Are you sure you need a new trans filter simply because it has been sitting unused? It doesn't show up on the regular maintenance schedule. As for the fluid change, the owners manual says "8.5 quarts total for dry fill. Approximately 4 quarts required for periodic fuel change as specified in Maintenance Schedules". Perhaps the partial fluid change is a reasonable DIY job, not sure. Maybe ask around at some transmission shops for a better quote. Anyway, you're not scheduled for your first change for another 5K miles. 3) Like yours, my seatbelt will not lock when tugged. I initially thought it might be defective, but I've since tested it on a few sharp stops at low speed and it locks up just fine. Not sure if it's slightly worn out, simply less sensitive, or if it uses a different kind of inertial mechanism, but it works. Steve http://xjeep.dyndns.org BikeQuest wrote: > Hi. Just inherited a 1988 Jeep Cherokee Laredo (4 L Auto). It has less > than 25K miles and is really clean. Didn't get driven much over the > years so worry about dried out seals and the like. I've changed some > fluids and opted to have the local Jeep dealer do the transmission > fluid/filter change. They noted (as I did looking at AllData) that it > had a TSB/recall (#733) on the "Brake Pedal Shift Interlock." They > moaned about it being a two hour job and only paying at warranty levels, > but said they'd do it if I wanted it. It seems to be an idiot proofing > measure related to the location of the pedals in the tight floor space > of the Jeeps of that era. Doesn't seem like anything that would > "improve" overall performance, longevity, etc. but rather give some > measure of increased safety in the event you slam on the accelerator > rather than the brake. Mixed reviews in the searches I've done. One > guy noted that he had a surging engine on start up without the > accelerator depressed. I've got that two and it usually only lasts for > about 10 seconds tops before it drops down but it does get up around 3K > RPM before doing so (doesn't do it every time). SEE his post: > > http://groups.google.com/groups?selm...&output=gplain > > > (1) Do folks out there affected by this recall (may be years ago for > many of you) think it is worth doing? Any connections made between the > surging I (and other apparently) have had? Any problems from doing the > work ... especially on an older Jeep (the dealership seemed out of their > element working on a 16 year old Jeep -- even if it was in mint condition)? > > (2) On the transmission filter/fluid change ... the dealership quoted me > a price of approx. $90 for the job. I came in dropped it off and found > after four hours that they actually quoted me ONLY the labor and the > parts would amount to ANOTHER $90. Ended up being a $180 job to replace > fluid (cheaper Dexron rather than the ATF3 stuff for this older Jeep) > and the filter. Sound right to you (the total at least)? > > Finally, (3) I've noted just in the past couple of days that the > driver's seatbelt (shoulder) doesn't appear to "catch" when you yank on > it (as if in a crash). The passenger shoulder belt does engage the > mechanism and stop coming out when given a good yank. Any ideas on > whether this is a warranty item on such an old Jeep (given it is a > safety thing)? Any known problems with the seat belts on this Jeep? > > Thank you for the attention. Apologies for cramming all in one message > but figured that it was better than a slew of separate messages (which I > may try if this one seems to overwhelm). > > Best, > > BikeQuest |
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