Bonneville V6-231 3.8L VIN 3 SFI (1988)
Brake Master Cylinder: Service and Repair
Reservoir Replacement
Disassembly
1. Remove master cylinder from vehicle.
Removing Reservoir
2. Clamp flange on master cylinder body in vise.
CAUTIONS:
^ Do not clamp across master cylinder body.
^ Do not attempt to remove quick take-up valve from the body. The valve is not serviceable separately.
3. Remove reservoir using a pry bar.
NOTE: Use wooden block between cylinder body and reservoir if necessary, to provide better pry bar leverage.
4. Remove reservoir grommets.
Assembly
1. Lubricate new reservoir grommets, then install into reservoir grooves. Ensure grommets are properly seated.
2. Thoroughly lubricate reservoir bayonets with clean brake fluid.
Installing Reservoir
3. Install reservoir onto master cylinder body using rocking motion.
4. Install master cylinder.
