LEMON Manuals
: Even more car manuals for everyone
Home
>>
GMC
>>
1986
>>
Safari Van M V6-262 4.3L
>>
Repair and Diagnosis
>>
Brakes and Traction Control
>>
Power Brake Assist
>>
Vacuum Brake Booster
>>
Testing and Inspection
>>
Delco Moraine Brake Boosters
>>
Troubleshooting
Troubleshooting
Hard Pedal
1.
Internal vacuum leak.
2.
Faulty control valve.
Brakes Grab
1.
Faulty control valve.
Slow or No Release
1.
Faulty pushrod adjustment.
2.
Bind in linkage.