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1991 GMC Sonoma SLE 4.3L Rear Brakes
Posted to GM Brakes on 3/12/2004 4 Replies

replaced front loaded calipers, and rear cylinders. had rear braskes before, but now no pressure to rears. have pressure to dump valve, but not after. have replaced dump valve and ecu for rwal, to no avail. no codes, but main ecm will not communicate with scan...

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  Related Documents & Media  1991 GMC Sonoma SLE

 
Message Closed w/FIX

car Vehicle Data

1991 GMC Sonoma SLE

VIN 1GTDT19Z2M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedRear Brakes
ConditionsInop
Message Closed w/FIX

car Vehicle Data

1991 GMC Sonoma SLE

VIN 1GTDT19Z2M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedRear Brakes
ConditionsInop