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Comments
This weekend the external would start aroudn 50-60 (again it was 80+ out) but then rapidly climb down in incriments of 1 all the way to negative 26, then come back up at random times. At this point the AC would start working then stop.
when the external temp showed up back in the the 50 degree range the AC would work normally again.
soooooo, i know the AC does work and has the ability to cool so i assume i just have an electronics problem.
do i replace the whole climate control section in the dash, or should i change the things located behind the glove box as noted in an above post?
hoping i can keep this a cheap DIY, other than the annoying fan clutch noise this truck has been a flawless gem.
See the following for instructions and pics (particularly post #45):
http://forums.trailvoy.com/showthread.php?t=26347&highlight=temperature+sensor
C.B.
Head unit at HVAC controller operating normally. Have 12v at solid state blower motor
control unit and sense wire from head unit is sending signal. Manually powered blower motor with 12v and Gnd. patch wires from connector powering motor control unit. Motor functions normally. Will replace control unit (carter group) 9643 (1P) 52409643 (2P) 001 (S) 00022101250513451994
ken z
Tricia, GM Customer Service.
several years ago, I had the same thing happen... it took the Chevy dealer 3 visits to solve this.. there is a rubber seal on the inside of the front wheel that was rubbing up against the hub? or something else.. can't remember as it was so long ago
by a dangerously low oil level or other problems causing
low oil pressure.
I would be happy to ask our Technical Assistance Center for more information on this, but would need the last 8 digits of your VIN. If you were to email that to me, that'd be great!
Regards,
Sarah
GM Customer Service
I have sent your questions over to the Technical Assistance Center and will get you an update as soon as they get back with me!
Regards,
Sarah
GM Customer Service
I heard back from our Technical Assistance Center:
"Below are the minimum oil pressure readings (a service document). We recommend the vehicle be brought to a dealer so the vehicle can be properly diagnosed to determine if there is a concern.
• Oil Pressure – Minimum – Hot 41 kPa at 1,000 engine RPM
124 kPa at 2,000 engine RPM
165 kPa at 4,000 engine RPM
6 psig at 1,000 engine RPM
18 psig at 2,000 engine RPM
24 psig at 4,000 engine RPM
I hope this is helpful for you! If I can assist in any other way, please let me know.
Sarah
GM Customer Service
It is at dealership now for a different problem at this moment but I would like to know if I should expect another problem.
ken z
It's so wonderful to hear back, and I'm glad that everything is running properly!
All the best, and if I can ever be of further assistance you know where to find me.
Sarah
GM Customer Service
http://www.diystew.com/2006-trailblazer/
73's