Volvo Workshop Manuals
V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Brakes and Traction Control > Power Brake Assist > Vacuum Brake Booster > Component Information > Description and Operation > Page 5732
Check the function of the check valve.
Note: Replace a defective check valve.
Check the function after replacing the check valve
Depress the brake pedal several times to so that it has no travel.
Replacing the vacuum hose
Remove the air cleaner (ACL) housing
See Brake pipe Master cylinder / ABS unit-replacing.
Remove the check valve from the power brake booster. Remove the vacuum hose
Pull out the check valve.
Install the vacuum hose
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