buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Vacuum Brake Booster Check Valve > < Vacuum Brake Booster|Description and Operation|Page 4486
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assembly, Fig. 10.

9.

Ensure housing scribe marks are properly aligned, then press housing sections together with holding fixture forcing screw. Assembly of housing
can be facilitated by applying vacuum to front housing port. Block opening for vacuum switch, if equipped.

10.

Rotate rear housing clockwise to lock housing, then stake two tabs 180° apart to secure assembly. Do not stake tabs which have previously been
used.

11.

Lubricate grommets and front seal, install grommets, check valve and vacuum switch, as equipped, then the front housing seal.

12.

Install silencer and pedal pushrod boot.

Vacuum Brake Booster Check Valve > < Vacuum Brake Booster|Description and Operation|Page 4486