2004 JGC needs new "H-valve" ??
08-19-2004, 10:27 PM
#31
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
In message <412490c3$1@news.gvsu.edu>, "Grand Jeep" wrote:
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
08-19-2004, 10:27 PM
#32
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
In message <412490c3$1@news.gvsu.edu>, "Grand Jeep" wrote:
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
08-19-2004, 10:27 PM
#33
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
In message <412490c3$1@news.gvsu.edu>, "Grand Jeep" wrote:
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
>thanks everyone, after some more research I found a few hits that explains
>the "h-valve" is in fact the expansion valve. (as some of you noted)
>
>As for the clicking compressor, I know it's not normal, as it was an obvious
>noise I noticed when I went picked up my jeep, and it was not doing that
>before I dropped it off.
Your A/C wasn't working before you dropped it off either.
Normal.
> I'm just trying to figure out what they may have
>removed and/or added to the ac system during the diagnostic process to cause
>the clicking. ?? anyone have any ideas? Maybe some part they checked was
>not re-assembled correctly?? I did notice the florescent dye in some spots,
>so I'm assuming they added the tracer liquid to try and locate any leaks,
>would that stuff cause any issues?
>
08-23-2004, 09:57 PM
#34
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
keep in mind the duct temp spec is 50 degrees at 80 degrees with 80% humidity and
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
08-23-2004, 09:57 PM
#35
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
keep in mind the duct temp spec is 50 degrees at 80 degrees with 80% humidity and
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
08-23-2004, 09:57 PM
#36
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
keep in mind the duct temp spec is 50 degrees at 80 degrees with 80% humidity and
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
08-23-2004, 09:57 PM
#37
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
keep in mind the duct temp spec is 50 degrees at 80 degrees with 80% humidity and
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
after reading the ac performance chart the other day i was shocked to see such high
temps from the ac compared to other dc cars
DougW wrote:
> Grand Jeep did pass the time by typing:
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
>
> My question is what is an "h-valve" or where does it go.
>
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
>
> Both AC and defrost run the compressor. That click is the compressor kicking in.
> Your Jeeps computer also speeds up the engine a few hundred RPM every time the
> AC compressor starts. Perfecly normal.
>
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
>
> My initial thought is someone's blowing smoke up your backside.
> But since it's an 04 and should be a warrantee issue, let them
> fix what ever they need to fix.
>
> --
> DougW
08-23-2004, 09:57 PM
#38
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
it's there on the firewall
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
08-23-2004, 09:57 PM
#39
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
it's there on the firewall
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
08-23-2004, 09:57 PM
#40
Guest
Posts: n/a
Re: 2004 JGC needs new "H-valve" ??
it's there on the firewall
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?
"L.W.(ßill) ------ III" wrote:
> I can't think of a valve in an air conditioning system, they might
> be talking about the high pressure switch:
> http://members.***.net/wilsond/Fixes...ssure-high.jpg
> Compressors make noise, your sound may be normal, anyway bring it up
> when you go in to finish the service.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Grand Jeep wrote:
> >
> > A few questions.....
> >
> > Noticed the ac not pumping out cold air. Took it in, and they said the
> > h-valve needed replacing.
> > Just curious if this is a common issue with the grand cherokees?
> >
> > Also, noticed after picking it up from the dealer, whenever the ac (or
> > defrost) is on, I notice a slight clicking noise that coincides directly
> > with engine speed. (put in Neutral, sit idle, slow click, give it a little
> > gas and click picks up) As soon as I turn off the ac or the defrost, the
> > click goes away.
> > The part needed was not in stock, so it's on order, I'm hoping this will go
> > away when they replace the defective part?? Anyone have a clue what's
> > happening here?