1. Remove the master cylinder as described in Chapter 13.
2. Remove the one-way valve and vacuum hose from the booster block.
3. From inside the vehicle, disconnect the return spring from the brake pedal and the booster push rod clamp. Remove the bracket, remove the pin.
4. Remove the mounting nuts securing the booster block to the pedal hanger and baffle.
5. Get the block in a motor compartment. Remove the rubber O-ring from the block, replace if necessary.
6. Before installing the block, check the size of the pusher rod, guided by fig. 9.29. If necessary, loosen the locknut, reinstall the clamp, then retighten the locknut.
7. Installation is carried out in the reverse order. Lubricate the pin with multipurpose lubricant. Finally, insert a rubber O-ring into the baffle to seal off the hole.
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