Re: A/C Problem on Cherokee
 

On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
<post.replies@invalid.address> wrote:

>abomb69 wrote:
>> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
>> the Auxillary fan comes on and the compressor comes on, the air
>> coming out is hot, when I try to recharge it, it will not take any
>> freon, this system has been retrofitted. What else could be wrong
>
>wrong port? Bad valve in the port or missing fitting in the charging
>can. Not bypassing the low pressure cutoff to keep the compressor
>running. Or too much gas which will also produce warm air.

Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
sure the blend door is moving to the cooling side. Otherwise you only
get heat from the heater. If you could get your hands on an original
Jeep service manual, they are extremely detailed in the diagnosis of
HVAC systems. Maybe the library?

----

--
Posted via a free Usenet account from http://www.teranews.com

Re: A/C Problem on Cherokee
 

On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
<post.replies@invalid.address> wrote:

>abomb69 wrote:
>> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
>> the Auxillary fan comes on and the compressor comes on, the air
>> coming out is hot, when I try to recharge it, it will not take any
>> freon, this system has been retrofitted. What else could be wrong
>
>wrong port? Bad valve in the port or missing fitting in the charging
>can. Not bypassing the low pressure cutoff to keep the compressor
>running. Or too much gas which will also produce warm air.

Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
sure the blend door is moving to the cooling side. Otherwise you only
get heat from the heater. If you could get your hands on an original
Jeep service manual, they are extremely detailed in the diagnosis of
HVAC systems. Maybe the library?

----

--
Posted via a free Usenet account from http://www.teranews.com

Re: A/C Problem on Cherokee
 

On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
<post.replies@invalid.address> wrote:

>abomb69 wrote:
>> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
>> the Auxillary fan comes on and the compressor comes on, the air
>> coming out is hot, when I try to recharge it, it will not take any
>> freon, this system has been retrofitted. What else could be wrong
>
>wrong port? Bad valve in the port or missing fitting in the charging
>can. Not bypassing the low pressure cutoff to keep the compressor
>running. Or too much gas which will also produce warm air.

Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
sure the blend door is moving to the cooling side. Otherwise you only
get heat from the heater. If you could get your hands on an original
Jeep service manual, they are extremely detailed in the diagnosis of
HVAC systems. Maybe the library?

----

--
Posted via a free Usenet account from http://www.teranews.com

Re: A/C Problem on Cherokee
 

On Jun 17, 7:15 am, ---- <w...@k7yca.org> wrote:
> On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
>
> <post.repl...@invalid.address> wrote:
> >abomb69 wrote:
> >> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
> >> the Auxillary fan comes on and the compressor comes on, the air
> >> coming out is hot, when I try to recharge it, it will not take any
> >> freon, this system has been retrofitted. What else could be wrong
>
> >wrong port? Bad valve in the port or missing fitting in the charging
> >can. Not bypassing the low pressure cutoff to keep the compressor
> >running. Or too much gas which will also produce warm air.
>
> Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
> sure the blend door is moving to the cooling side. Otherwise you only
> get heat from the heater. If you could get your hands on an original
> Jeep service manual, they are extremely detailed in the diagnosis of
> HVAC systems. Maybe the library?
>
> ----
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com

http://www.harborfreight.com/cpi/cta...emnumber=92649

$30, why guess at a problem...

Re: A/C Problem on Cherokee
 

On Jun 17, 7:15 am, ---- <w...@k7yca.org> wrote:
> On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
>
> <post.repl...@invalid.address> wrote:
> >abomb69 wrote:
> >> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
> >> the Auxillary fan comes on and the compressor comes on, the air
> >> coming out is hot, when I try to recharge it, it will not take any
> >> freon, this system has been retrofitted. What else could be wrong
>
> >wrong port? Bad valve in the port or missing fitting in the charging
> >can. Not bypassing the low pressure cutoff to keep the compressor
> >running. Or too much gas which will also produce warm air.
>
> Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
> sure the blend door is moving to the cooling side. Otherwise you only
> get heat from the heater. If you could get your hands on an original
> Jeep service manual, they are extremely detailed in the diagnosis of
> HVAC systems. Maybe the library?
>
> ----
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com

http://www.harborfreight.com/cpi/cta...emnumber=92649

$30, why guess at a problem...

Re: A/C Problem on Cherokee
 

On Jun 17, 7:15 am, ---- <w...@k7yca.org> wrote:
> On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
>
> <post.repl...@invalid.address> wrote:
> >abomb69 wrote:
> >> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
> >> the Auxillary fan comes on and the compressor comes on, the air
> >> coming out is hot, when I try to recharge it, it will not take any
> >> freon, this system has been retrofitted. What else could be wrong
>
> >wrong port? Bad valve in the port or missing fitting in the charging
> >can. Not bypassing the low pressure cutoff to keep the compressor
> >running. Or too much gas which will also produce warm air.
>
> Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
> sure the blend door is moving to the cooling side. Otherwise you only
> get heat from the heater. If you could get your hands on an original
> Jeep service manual, they are extremely detailed in the diagnosis of
> HVAC systems. Maybe the library?
>
> ----
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com

http://www.harborfreight.com/cpi/cta...emnumber=92649

$30, why guess at a problem...

Re: A/C Problem on Cherokee
 

On Jun 17, 7:15 am, ---- <w...@k7yca.org> wrote:
> On Sun, 17 Jun 2007 03:15:15 -0500, "DougW"
>
> <post.repl...@invalid.address> wrote:
> >abomb69 wrote:
> >> I have a 93 Cherokee 4.0, when I move the selector to the AC setting
> >> the Auxillary fan comes on and the compressor comes on, the air
> >> coming out is hot, when I try to recharge it, it will not take any
> >> freon, this system has been retrofitted. What else could be wrong
>
> >wrong port? Bad valve in the port or missing fitting in the charging
> >can. Not bypassing the low pressure cutoff to keep the compressor
> >running. Or too much gas which will also produce warm air.
>
> Not sure how the Cherokee is set up (I have '93 ZJ), but I would make
> sure the blend door is moving to the cooling side. Otherwise you only
> get heat from the heater. If you could get your hands on an original
> Jeep service manual, they are extremely detailed in the diagnosis of
> HVAC systems. Maybe the library?
>
> ----
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com

http://www.harborfreight.com/cpi/cta...emnumber=92649

$30, why guess at a problem...

Re: A/C Problem on Cherokee
 

What pressures do you see from the manifold gauges?



On Jun 16, 9:45 pm, "abomb69" <a...@verizon.net> wrote:
> I have a 93 Cherokee 4.0, when I move the selector to the AC setting the
> Auxillary fan comes on and the compressor comes on, the air coming out is
> hot, when I try to recharge it, it will not take any freon, this system has
> been retrofitted. What else could be wrong

Re: A/C Problem on Cherokee
 

What pressures do you see from the manifold gauges?



On Jun 16, 9:45 pm, "abomb69" <a...@verizon.net> wrote:
> I have a 93 Cherokee 4.0, when I move the selector to the AC setting the
> Auxillary fan comes on and the compressor comes on, the air coming out is
> hot, when I try to recharge it, it will not take any freon, this system has
> been retrofitted. What else could be wrong

Re: A/C Problem on Cherokee
 

What pressures do you see from the manifold gauges?



On Jun 16, 9:45 pm, "abomb69" <a...@verizon.net> wrote:
> I have a 93 Cherokee 4.0, when I move the selector to the AC setting the
> Auxillary fan comes on and the compressor comes on, the air coming out is
> hot, when I try to recharge it, it will not take any freon, this system has
> been retrofitted. What else could be wrong