In reply to a message from Red Phoenix sent Fri 25 Nov 2011:
I’m assuming as you bought the alloy replacem,ent sans seals?
The thermostat # is:
As for replacement seals for the thermo housing itself, I would
suggest you contact these people:
A word of advice…do you REALLY need to replace your water pump?
The reason I ask this is because there is an awful lot of
misinformation out there about AJV8 water pumps!
You may find the following information worth a read before you dive
in and go replacing bits unecessarily ;o)
The following is taken from a Jaguar Technical Bulletin:
Engine - Coolant Pump Replacement Guideline
V8 XJ Series/XK
1997 MY-ON XK8 Range
1998-2003 MY V8 XJ Series
Coolant Pumps - Identifying Impeller Material - Pump Replacement
A large number of V8 coolant pumps are replaced unnecessarily for
^ routinely following an engine overheat condition,
^ incorrect diagnosis of leakage, or
^ incorrect identification of impeller material.
As a result, a significant proportion of warranty returns have been
identified with no fault found.
Note the following guidelines before replacing a V8 coolant pump:
Before replacing the coolant pump following an overheating
observe the following guidelines:
VIN 001036-028000 (XK series) and VIN 812256-843500 (V8 XJ series)
Check the part number on the body of the coolant pump, following
procedure below. Replace the coolant pump if the part number is:
- Check coolant pump part number. If any of the part numbers
are as follows:
96JV-8501-CA, CB, CC or CD, replace the coolant pump…
NOTE:…thi site won’t allow the inclusion of pics so…look down
the left side of the pump on the mounting flange with a bright
You will see the model number.
VIN 028001-on (XK series) and VIN 843501-on (V8 XJ series)
It is not necessary to remove the coolant pump pulley for
inspection unless there is a genuine coolant pump concern.
Do not replace these coolant pumps as a matter of Policy.
Note: Do not assume that staining around the exterior of the
coolant pump body is due to a coolant pump leak.
Check the cooling system joints, for leaks, in the area above the
coolant pump. …]]
If you want to replace the thermo tower, you will have to bend the
ring head of an 8mm spanner at 90 deg. to be able to get at the
rear bolts but if you are game you can do what another of our
Aussie compatriots rom Perth has done by removing the ten bolts
holding the inlet manifold in place and lifting the front jut
enough to be able to reach the rear tower bolts with a socket.–
The original message included these comments:
I am replacing the plastic thermostat tower with a cast
alloy one which I purchased second hand. I will need to
replace all the ‘‘O’’ rings, gaskets and thermostat as I go. I
have checked out the suppliers web sites, JL archives and my
totally useless parts manual on CD which has no part
Max Heazlewood '98 XJ8 4.0L Sovereign Sapphire Met./Oatmeal
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