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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.