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1998 GMC Jimmy Envoy 4.3L Mix Valve
Posted to GM HVAC on 6/28/2005 4 Replies

This truck is equipped with the computerized climate [...] check revealed normal high/low pressures. I noticed that the modes would not change from defrost to floor vents or bi-level. I traced the problem to the vacuum control solonoid. Now the modes work but ...

4 Replies Received (View Replies)

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car Vehicle Data

1998 GMC Jimmy Envoy

VIN 1GKDT13W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedMix Valve
ConditionsInop
Message Closed

car Vehicle Data

1998 GMC Jimmy Envoy

VIN 1GKDT13W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedMix Valve
ConditionsInop