![]() |
Register or Log In To remove these advertisements. |
|
|
![]() |
|
Thread Tools | Display Modes |
![]() |
#1 |
Registered User
Join Date: Jan 2002
Location: Springville, UT, USA
Posts: 1,010
|
AC help....clutch disengages....not cold
OK.....if my AC system is low on freon, would this cause the clutch to engage and then disengage periodically? My AC system is not as cold as it once was....but could this be a bad clutch as well? How do I test?
|
![]() |
![]() |
![]() |
#2 | |||
Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,356
|
Re: AC help....clutch disengages....not cold
If it engages in very short periods the system is low on freon and the low pressureis causing it to cycle. not sure how to test the clutch itself, but I really think it is just low on freon.
__________________
![]() ![]() Help support the board->HERE Board vendors -> Vendors list Zip:40272 Big Sandy Survivor... Quote:
Quote:
Quote:
|
|||
![]() |
![]() |
![]() |
#3 |
DON'T TREAD ON ME
![]() Join Date: May 2005
Location: Crosby County, TX
Posts: 989
|
Re: AC help....clutch disengages....not cold
![]()
__________________
Old Yeller |
![]() |
![]() |
![]() |
#4 |
I miss this truck.
Join Date: Dec 2001
Location: Lexington, KY U.S.A.
Posts: 2,863
|
Re: AC help....clutch disengages....not cold
Somebody will be along to correct me if I'm wrong, but there may be a low pressure switch in the system that senses when the refridgerant level is low, and disengages the compressor. To get an idea of whether or not you you have other issues besides low refridgerant, like a problem with the clutch, you could jumper that wiring connector going into that switch and make it keep the compressor engaged long enough to be able to decide whether you have other issues.
__________________
'07 GMC Acadia SLT. Sweet ride. '08 Crew Cab Z-71 short bed. Really like this truck A LOT. |
![]() |
![]() |
![]() |
#5 |
Registered User
Join Date: Apr 2006
Location: az
Posts: 114
|
Re: AC help....clutch disengages....not cold
Jump the wires on the plug for the low side pressure switch. That will engage the clutch if the compressor is being fed power. Don't do it for long though, because the clutch is being turned off to prevent compressor damage. 9 times out of 10, clutch is cycling due to low pressure. Put some gauges on there to check pressures. I personally would avoid the stop leak if possibe and just repair the leak.
|
![]() |
![]() |
![]() |
Bookmarks |
|
|