Fuel - Checking Injection Pump Housing Pressure
Bulletin 85-6C-4Date Oct, '84
Ref. No. 85-010-6C
SUBJECT: CHECKING INJECTION PUMP HOUSING FUEL PRESSURE
MODELS AFFECTED: ALL EQUIPPED WITH V-6 & V-8 DIESEL ENGINES
INJECTION PUMP HOUSING PRESSURE DIAGNOSIS V-8 & V-6 Except C Series with Internal EGR:
The injection pump housing pressure information given on page 6C5-14 of the 1985 New Product Service Information Manual was in error. Please correct your manual as follows:
Start the engine and record housing pressure. It should be:
^ C Series, 20.68-34.47 kPa (3-5 PSI)
^ Except C Series, 41.37-55.16 kPa (6-8 PSI)
In addition update page 6C5-15 of your manual with the revised chart shown in this bulletin.