Power Brake Unit - Check Valve Inspection, Removal/Installation (B6 DOHC)

P-28parts diagram

Removal/Installation procedure is for B6 DOHC engine. Item 10 (Gasket, spacer) is ATX model only.

Check Valve

1
Remove the clamps and the vacuum hose.
2
Apply both suction and pressure to the engine-side of the hose, and verify that air flows only toward that side. If air flows in both directions or not at all, replace the vacuum hose.

Parts DiagramFig. fig3

#	Part Name	Notes
1	Connector
2	Brake pipe	Removal Note page P-11; Installation Note page P-11
3	Master cylinder assembly	Installation Note page P-12
4	Vacuum hose	Clip: REPLACE
5	Spring clip and clevis pin	REPLACE
6	Nut
7	Fork
8	Nut
9	Power brake unit
10	Gasket, spacer (ATX model)	REPLACE
11	Gasket	REPLACE

Specification	Value
Tightening torque (nut, item 6)	≈186 - 245N·m
Tightening torque (master cylinder area)	≈97 - 153N·m
Tightening torque (brake pipe, SST)	≈126 - 211N·m

Tightening torque (nut, item 6)

186 - 245N·m

Tightening torque (master cylinder area)

97 - 153N·m

Tightening torque (brake pipe, SST)

126 - 211N·m