RAM 3500 Van V8-5.2L CNG VIN T (1996)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Front Antilock Valve Replacement
The front anti-lock valve and ABS Controller Anti-Lock Brake (CAB) module are each serviced as an assembly. Neither the valve nor the module
should be replaced unless it has been determined that a valve or module fault has occurred.
1. On models equipped with an inline power booster, remove rear anti-lock valve and combination valve as described under Rear Anti-Lock
Valve.
2. On models equipped with a transverse power booster, disconnect lines from combination valve, then remove rear anti-lock valve as described
under Rear Anti-Lock Valve.
3. On all models, remove driver's side headlamp trim bezels to access headlamp support panel, then disconnect and remove horns and access cover
plate from radiator support panel.
4. Remove brake line between combination valve and front brake anti-lock valve, then disconnect both brake lines from front brake anti-lock valve.
5. Remove front anti-lock valve protective cover, then the nuts securing valve to mounting plate. These nuts may be accessed through holes in
radiator support panel.
6. Disconnect wiring harness from front anti-lock valve, then the upper harness wire and main harness connector from ABS electronic control
module.
7. Lift main harness connector up and out of module retaining lugs, then remove front anti-lock valve, ABS electronic control module and bracket as
an assembly by moving assembly upward and toward lefthand side.
8. If necessary to replace front anti-lock valve only, separate valve from bracket.
9. Reverse procedure to install, noting the following:
a. Torque front anti-lock valve stud nuts to 16-21 ft. lbs. and hydraulic line fittings to 12-17 ft. lbs.
b. Bleed brake system as described under Antilock Brake System/Service and Repair.
