RJ-0562-0

On certain vehicles, the valve spring seat on the vacuum brake booster pump is not properly installed. If left unfixed, backflow of air at the time of engine stop may move the valve spring seat, and in the worst case, the valve could malfunction resulting in reduced brake efficiency.

Case Number: 
RJ-0562-0

Make/model:

Issued: 
Fri, 1999-04-16
Component: 
vacuum brake booster
Affected: 
4 232
Correction: 
The vacuum brake booster pump should be replaced with the factory approved replacement unit.
Identification: 
yellow paint on the radiator bracket bolt head
Vehicle: 
Make: 
Isuzu
Type: 
KH-UBS73GW
Period: 
N/A
Frame / Chassis No: 
UBS73GW-7200038..UBS73GW-7210728
Make: 
Isuzu
Type: 
KH-UBS73DW
Period: 
N/A
Frame / Chassis No: 
UBS73DW-7200006..UBS73DW-7200161
Make: 
Honda
Type: 
KH-UBS73GWH
Period: 
N/A
Frame / Chassis No: 
UBS73GW-7200041..UBS73GW-7203562
unique_id_feeds: 
134986