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2005 GMC Sierra 2500 HD SLE 6.0L A/C Sytem
Posted to GM HVAC on 7/2/2019 20 Replies

Thanks in advance for any input on my problem with this headache. My low side pressure is sitting at 60-70 psi and high side pressure is around 300 psi. Pressures will change when running water on condenser but temp doesnt really change inside. Temp is abo...

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car Vehicle Data

2005 GMC Sierra 2500 HD SLE

VIN 1GTHK29U65
Engine6.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
AffectedA/C Sytem
ConditionsNot Cold and Pressures Are High
Open Help Request

car Vehicle Data

2005 GMC Sierra 2500 HD SLE

VIN 1GTHK29U65
Engine6.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
AffectedA/C Sytem
ConditionsNot Cold and Pressures Are High