Fleetwood FWD V8-252 4.1L (1986)
Vacuum Brake Booster: Technical Service Bulletins
A/C - Vacuum Hose Leakage
Bulletin No. T
87-62
File in Group
6E
Number
39
Corp. Ref. No.
616509
Date
Jan. '87
SUBJECT:
VACUUM HOSE LEAKAGE
MODELS AFFECTED: 1986 DE VILLES AND FLEETWOODS
Some 1986 De Villes and Fleetwoods may experience any or all of the following conditions:
^
Air conditioning discharge air diverted to the lower vents.
^
Automatic parking brake release inoperative.
^
Brake warning light illuminated due to low booster vacuum level.
^
Cruise control inoperative.
^
Reduction in power brake assist.
Figure 1 - Vacuum Source Hose
These conditions may be caused by a vacuum source hose leak. To correct this condition, inspect for improper connections or splits in vacuum source
hoses (Figure 1). The hoses marked A and B in Figure 1 should be inspected thoroughly. Replace any vacuum source hoses that are split (do not trim off
split portion of hose).
