buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Campaign - Brake Booster Doesn't Have Low Vacuum Switch|Page 3558 > < Campaign - Brake Booster Doesn't Have Low Vacuum Switch|Page 3556
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Vacuum Brake Booster: Recalls
Technical Procedure

INSTALLATION OF "LAMP CIRCUIT KIT" (ALL VEHICLES INVOLVED) AND "PUMP CIRCUIT" KIT (CERTAIN INVOLVED VEHICLES).

1.

Open vehicle hood and cover fenders.

2.

Disconnect negative cable from battery.

FIGURE 1 - I. P. HARNESS TO ENGINE HARNESS CONNECTOR ASSEMBLY

3.

Loosen bolt that retains engine compartment connector assembly to front of dash, and unplug engine harness part of connector from I.P. harness
connector. Remove I.P. harness connector from its mounting bracket. Refer to Figure 1.

FIGURE 2 - REMOVING I.P. HARNESS CONNECTOR SECONDARY LOCK

4.

Remove the terminal secondary lock from I.P. connector, as shown in

Figure 2.

Campaign - Brake Booster Doesn't Have Low Vacuum Switch|Page 3558 > < Campaign - Brake Booster Doesn't Have Low Vacuum Switch|Page 3556