Re: Grand Cherokee oil level sending unit???
 

Thanks ----, I'll try the diagnostic mode for the vic, by looking at the
dipstick it is close to being a 1/2 litre over the full mark, but I'll look
again.

Snow...

"----" <LeadWinger> wrote in message
news:u3jp715j65d6d0p919jvvd6599mbl0i3mq@4ax.com...
> You still don't know if it is the sensor or the oil level. As I
> stated before, filling the oil to the full mark on the dip stick is
> still TOO LOW for reliable oil level sensor operation. This only
> apples to the early '93's (like mine.) When you get the low oil
> message on the VIC, it can be either low oil or a sensor problem. It
> doesn't distinguish between them. The easy way to check is to add
> 1/2-quart to the engine after it shows full. That's what the factory
> wants. Apparently, the oil sensors in the '93 are positioned to the
> ragged edge of failure, and there is nothing you can do except add
> more oil. This appears to have been corrected in the later 93's.
>
> Here is what the service manual says about the sensor:
>
> "The module will test the oil sensor input immediately after ignition
> ON. If low oil is detected during the test OR the oil level sensor is
> bad, the VIC will display this message. The engine on the vehicle
> outline will also be illuminated. Ignition must be OFF for 1 minute
> before the oil is checked. If the fault is found, the message will
> stay on until the ignition turns OFF. Unless the ignition has been
> off for one minute or longer and the oil fault fixed, the fault will
> appear again on the next ignition ON."
>
> There are two TSB's regarding this problem. The first one applies
> only to version 03 of the Vehicle Information Center (VIC). The one I
> have is No. 08-22-93. If the VIC displays"Oil Sensor Shorted" while
> in diagnostics mode, the sensor may actually be open and visa versa.
> The diagnostics mode is entered by depressing and holding the select
> and set buttons simultaneously, while turning the ignition switch on.
>
> The second TSB, 09-16-92, is the one describing increasing the oil
> capacity to 5.5 quarts and using a newly calibrated dip stick. This
> bulletin applies to vehicles built prior to MDH 08-22-XX and equipped
> with a 5.2L engine and a vehicle information center.
>
> ----
>
> On Sat, 7 May 2005 09:06:36 -0400, "Snow" <snowbal@sympatico.ca>
> wrote:
>
>>Yep its oil level sensor, the info centre display says it is... I have
>>physically checked the oil and its full..
>>
>>Snow...
>>
>>"----" <LeadWinger> wrote in message
>>news:jbho71dsv42iim75t8qn7kvhp04kgr6l8a@4ax.com. ..
>>> Are you sure it is the oil level sensor? There was a service bulletin
>>> on the '93 V8 for this problem. The original fix was to change the
>>> level sensor, but it didn't help. The solution was to change the oil
>>> level to 5-1/2 qts instead of 5. They also had a modified dipstick
>>> showing the new setting, but you could do it with a file on the old
>>> one. The sensor for both the V-8 and I-6 is in the side of the oil
>>> pan on the passenger side.
>>>
>>> On Fri, 6 May 2005 22:12:51 -0400, "Snow" <snowbal@sympatico.ca>
>>> wrote:
>>>
>>>>Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the
>>>>only
>>>>fault it has is that the oil level sending unit is wonkie, anyone know
>>>>where I can get info on this thing? wiring diagram? or ??? .
>>>>
>>>>Thankies
>>>>Snow...
>>>>
>>>
>>
>

Re: Grand Cherokee oil level sending unit???
 

Thanks ----, I'll try the diagnostic mode for the vic, by looking at the
dipstick it is close to being a 1/2 litre over the full mark, but I'll look
again.

Snow...

"----" <LeadWinger> wrote in message
news:u3jp715j65d6d0p919jvvd6599mbl0i3mq@4ax.com...
> You still don't know if it is the sensor or the oil level. As I
> stated before, filling the oil to the full mark on the dip stick is
> still TOO LOW for reliable oil level sensor operation. This only
> apples to the early '93's (like mine.) When you get the low oil
> message on the VIC, it can be either low oil or a sensor problem. It
> doesn't distinguish between them. The easy way to check is to add
> 1/2-quart to the engine after it shows full. That's what the factory
> wants. Apparently, the oil sensors in the '93 are positioned to the
> ragged edge of failure, and there is nothing you can do except add
> more oil. This appears to have been corrected in the later 93's.
>
> Here is what the service manual says about the sensor:
>
> "The module will test the oil sensor input immediately after ignition
> ON. If low oil is detected during the test OR the oil level sensor is
> bad, the VIC will display this message. The engine on the vehicle
> outline will also be illuminated. Ignition must be OFF for 1 minute
> before the oil is checked. If the fault is found, the message will
> stay on until the ignition turns OFF. Unless the ignition has been
> off for one minute or longer and the oil fault fixed, the fault will
> appear again on the next ignition ON."
>
> There are two TSB's regarding this problem. The first one applies
> only to version 03 of the Vehicle Information Center (VIC). The one I
> have is No. 08-22-93. If the VIC displays"Oil Sensor Shorted" while
> in diagnostics mode, the sensor may actually be open and visa versa.
> The diagnostics mode is entered by depressing and holding the select
> and set buttons simultaneously, while turning the ignition switch on.
>
> The second TSB, 09-16-92, is the one describing increasing the oil
> capacity to 5.5 quarts and using a newly calibrated dip stick. This
> bulletin applies to vehicles built prior to MDH 08-22-XX and equipped
> with a 5.2L engine and a vehicle information center.
>
> ----
>
> On Sat, 7 May 2005 09:06:36 -0400, "Snow" <snowbal@sympatico.ca>
> wrote:
>
>>Yep its oil level sensor, the info centre display says it is... I have
>>physically checked the oil and its full..
>>
>>Snow...
>>
>>"----" <LeadWinger> wrote in message
>>news:jbho71dsv42iim75t8qn7kvhp04kgr6l8a@4ax.com. ..
>>> Are you sure it is the oil level sensor? There was a service bulletin
>>> on the '93 V8 for this problem. The original fix was to change the
>>> level sensor, but it didn't help. The solution was to change the oil
>>> level to 5-1/2 qts instead of 5. They also had a modified dipstick
>>> showing the new setting, but you could do it with a file on the old
>>> one. The sensor for both the V-8 and I-6 is in the side of the oil
>>> pan on the passenger side.
>>>
>>> On Fri, 6 May 2005 22:12:51 -0400, "Snow" <snowbal@sympatico.ca>
>>> wrote:
>>>
>>>>Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the
>>>>only
>>>>fault it has is that the oil level sending unit is wonkie, anyone know
>>>>where I can get info on this thing? wiring diagram? or ??? .
>>>>
>>>>Thankies
>>>>Snow...
>>>>
>>>
>>
>

Re: Grand Cherokee oil level sending unit???
 

Thanks ----, I'll try the diagnostic mode for the vic, by looking at the
dipstick it is close to being a 1/2 litre over the full mark, but I'll look
again.

Snow...

"----" <LeadWinger> wrote in message
news:u3jp715j65d6d0p919jvvd6599mbl0i3mq@4ax.com...
> You still don't know if it is the sensor or the oil level. As I
> stated before, filling the oil to the full mark on the dip stick is
> still TOO LOW for reliable oil level sensor operation. This only
> apples to the early '93's (like mine.) When you get the low oil
> message on the VIC, it can be either low oil or a sensor problem. It
> doesn't distinguish between them. The easy way to check is to add
> 1/2-quart to the engine after it shows full. That's what the factory
> wants. Apparently, the oil sensors in the '93 are positioned to the
> ragged edge of failure, and there is nothing you can do except add
> more oil. This appears to have been corrected in the later 93's.
>
> Here is what the service manual says about the sensor:
>
> "The module will test the oil sensor input immediately after ignition
> ON. If low oil is detected during the test OR the oil level sensor is
> bad, the VIC will display this message. The engine on the vehicle
> outline will also be illuminated. Ignition must be OFF for 1 minute
> before the oil is checked. If the fault is found, the message will
> stay on until the ignition turns OFF. Unless the ignition has been
> off for one minute or longer and the oil fault fixed, the fault will
> appear again on the next ignition ON."
>
> There are two TSB's regarding this problem. The first one applies
> only to version 03 of the Vehicle Information Center (VIC). The one I
> have is No. 08-22-93. If the VIC displays"Oil Sensor Shorted" while
> in diagnostics mode, the sensor may actually be open and visa versa.
> The diagnostics mode is entered by depressing and holding the select
> and set buttons simultaneously, while turning the ignition switch on.
>
> The second TSB, 09-16-92, is the one describing increasing the oil
> capacity to 5.5 quarts and using a newly calibrated dip stick. This
> bulletin applies to vehicles built prior to MDH 08-22-XX and equipped
> with a 5.2L engine and a vehicle information center.
>
> ----
>
> On Sat, 7 May 2005 09:06:36 -0400, "Snow" <snowbal@sympatico.ca>
> wrote:
>
>>Yep its oil level sensor, the info centre display says it is... I have
>>physically checked the oil and its full..
>>
>>Snow...
>>
>>"----" <LeadWinger> wrote in message
>>news:jbho71dsv42iim75t8qn7kvhp04kgr6l8a@4ax.com. ..
>>> Are you sure it is the oil level sensor? There was a service bulletin
>>> on the '93 V8 for this problem. The original fix was to change the
>>> level sensor, but it didn't help. The solution was to change the oil
>>> level to 5-1/2 qts instead of 5. They also had a modified dipstick
>>> showing the new setting, but you could do it with a file on the old
>>> one. The sensor for both the V-8 and I-6 is in the side of the oil
>>> pan on the passenger side.
>>>
>>> On Fri, 6 May 2005 22:12:51 -0400, "Snow" <snowbal@sympatico.ca>
>>> wrote:
>>>
>>>>Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the
>>>>only
>>>>fault it has is that the oil level sending unit is wonkie, anyone know
>>>>where I can get info on this thing? wiring diagram? or ??? .
>>>>
>>>>Thankies
>>>>Snow...
>>>>
>>>
>>
>

Re: Grand Cherokee oil level sending unit???
 

common failure and it's a pain in the ass to get to even with the proper sensor
socket

Snow wrote:

> Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the only
> fault it has is that the oil level sending unit is wonkie, anyone know
> where I can get info on this thing? wiring diagram? or ??? .
>
> Thankies
> Snow...

Re: Grand Cherokee oil level sending unit???
 

common failure and it's a pain in the ass to get to even with the proper sensor
socket

Snow wrote:

> Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the only
> fault it has is that the oil level sending unit is wonkie, anyone know
> where I can get info on this thing? wiring diagram? or ??? .
>
> Thankies
> Snow...

Re: Grand Cherokee oil level sending unit???
 

common failure and it's a pain in the ass to get to even with the proper sensor
socket

Snow wrote:

> Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the only
> fault it has is that the oil level sending unit is wonkie, anyone know
> where I can get info on this thing? wiring diagram? or ??? .
>
> Thankies
> Snow...

Re: Grand Cherokee oil level sending unit???
 

common failure and it's a pain in the ass to get to even with the proper sensor
socket

Snow wrote:

> Just added a second jeep to the drive, a 1993 grand (ZJ??), anyways the only
> fault it has is that the oil level sending unit is wonkie, anyone know
> where I can get info on this thing? wiring diagram? or ??? .
>
> Thankies
> Snow...