William Ortel Porsche Repair

Removing And Installing Brake Pressure Regulator

• Solutions To Cutting Gas And Diesel Costs Within Minutes

Regulator on Wheel House

Removing Installing

1. Remove intake hoses and air cleaner upper section.

2. Drain both chambers of brake fluid tank by

pumping out brake fluid through bleeder valves of front and rear wheel brake calipers {diagonal brake circuit division).

1. Check brake pressure regulator/car application on page 47-18.

2. Install brake pressure regulators. The mounting plate has a retaining tab for each brake pressure regulator to guarantee correct installed position and prevention of turning when tightening bolts

3. Detach brake lines. Remove brake pressure 3. Connect brake lines. Bleed brakes, regulator after unscrewing mounting bolt(s).

I Regulator for right rear wheel

II Regulator for left rear wheel

If applicable, cancel the brake circuit failure indicator lamp by disconnecting the battery (ground wire on body).

Screw-in Regulator (since 1984 models)

Cars with ABS: connect h screwed in hydraulic unit.

Ca rs without ABS: screwed in master cylinder (intermediate piston circuit).

1 — Inlet of intermediate piston brake circuit

2 - Outlet to right rear wheel Removing

3 — Inlet of push rod brake circuit

4 - Outlet to left rear wheel 1- Remove left intake hose.

2. Unscrew brake line on brake pressure regulator, counterholding on hexagon of regulator.

Note:

Installing

1. Screw in brake pressure regulator. Mount brake line on brake pressure regulator while counterholding on the hexagon.

Place cloths underneath to avoid damage from escaping brake fluid.

2. Bleed brakes (begin at bleeder valve of master cyl.}.

3. Disconnect brake pressure regulator on brake master cylinder or hydraulic unit, never turning on the hexagon. Plug open connection with a plug.

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