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1997 Chevrolet C1500 Silverado 5.7L Low High side Pressure
Posted to GM HVAC on 7/28/2010 14 Replies

The mystery with this one is the outlet temp. is not cold (68F)at 80F ambient. Low side pressures seem to be good cycling back and fourth, but the high side toggles from 80-110 psi which seems low. Inlet to the evaporator is cold(55F) outlet is considerably wa...

14 Replies Received (View Replies)

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car Vehicle Data

1997 Chevrolet C1500 Silverado

VIN 1GCEK14RXV
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedLow High Side Pressure
ConditionsPoor Performance
Message Closed

car Vehicle Data

1997 Chevrolet C1500 Silverado

VIN 1GCEK14RXV
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedLow High Side Pressure
ConditionsPoor Performance