Thermostat Housing Gaskets - Revised
85jaguar01DATE . . . FEBRUARY, 1985
NUMBER . . J85/19
MODEL: XJ6 & XJ-S HE
SUBJECT: THERMOSTAT HOUSING GASKETS
KEY POINTS:
REVISED THERMOSTAT HOUSING GASKETS AND BOLT TIGHTENING TORQUES.
To overcome isolated instances of coolant loss from the thermostat housing, new gaskets have been introduced on 6 cylinder (XK) and V12 engines. The new part numbers are detailed below:
Model Description Part No.
XJ6 4.2 Thermostat Housing Gasket EAC 7046
XJ6 4.2 Water Outlet Pipe Gasket EAC 7045
XJ-S HE Thermostat Cover Gasket LH EAC 7047
XJ-S HE Thermostat Cover Gasket RH EAC 7048
The bolt tightening torques are also revised to:
6 cyl (XK) - 17-21 ft.lbs.
V12 - 8-9 ft.lbs.
The improved gasket and revised tightening torques were introduced at the following engine numbers:
XJ6 4.2 - 8L 173271
XJ-S HE - 8S 32778