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How do you replace the brake power booster on a Chevy G20 1993 van?
Wiki User
∙ 11y ago
First, disconnect your battery.
Under the dash, you'll see the push rod connecting the brake pedal to the booster. This rod is held in place with the plastic switch by a retainer that's very difficult to get to. Get some small hands and some small screw drivers and lift the middle tab of the retainer (far right of the assembly) and it should slide off. Remove the push rod from the pedal.
Now, use a socket and loosen the four lugs holding the booster in the firewall.
Disconnect the vacuum hose under the hood, then disconnect the master cylinder with a socket.
Feed the old one out, pop the new one in, reverse directions.
Wiki User
∙ 11y ago
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