XJ-6 L6-4.0L (1991)
Water Pump Gasket: Technical Service Bulletins
Water Pump and Center Gasket - Revised
26-10
MODEL: AJ6 Engines
DATE: 4/93
Revised Water Pump - Center Gasket -
Do Not Fit Gasket to Old Style Pump
SUPERSEDES: TECHNICAL BULLETIN 26-9
ISSUE:
A revised water pump assembly has been introduced on 4.0 liter engines beginning with engine number 157275.
The new pump assembly has a gasket between the two pump halves. RTV sealant was used previously.
NOTE:
The rear half of the revised pump assembly is machined to compensate for gasket thickness.
ACTION:
^
When replacing or resealing a revised water pump, use gasket part number EBC 9220. The gasket MUST be used.
^
When replacing or resealing an RTV sealed water pump, reseal with RTV sealant. DO NOT install a gasket.
^
Torque the water pump bolts to 16-21 ft.lbs.
PARTS INFORMATION:
Part Number
Description
Application
EBC 4437
Water Pump Front Half
All AJ6 Engines
(as required)
EBC 9220
Water Pump Gasket
From Engine Number
157275
WARRANTY INFORMATION:
Fault Code
R.O. Number / Description
2BW*
26.50.01 / Replace water pump
2BV*
26.50.02 / Reseal water pump
Time Allowance
Sedan Range (either operation number):
up to VIN 553356
1.75 hrs.
VIN 553357 to 593383
1.45 hrs.
VIN 593384 to 667828
1.80 hrs.
VIN 667829 - onwards
1.30 hrs.
4.0 liter XJS:
Replace water pump
26.50.01:
1.40 hrs.
Reseal water pump
26.50.02:
1.35 hrs.