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Lubrication & Maint./2000 Hour/24 Month
DPSG,RG34710,112 –19–27JUL06–4/5
RG7614A –UN–06NOV97
Installing Thermostat Cover
RG7921B –UN–13NOV97
Thermostat Cover Seal
A—Guide Studs
B—Seal
To Install Thermostats
IMPORTANT: Install manifold gasket so that smaller
(round) holes are at lower left and
upper right corners of manifold
(matching studs A).
1. Clean all gasket material from thermostat cover and
housing mounting surfaces.
2. Using guide studs (A) to keep gasket in place, install a
new gasket on cylinder head.
3. Install thermostat(s) with jiggle wire facing up in the 12
o’clock position.
4. Using a screwdriver to hold thermostat(s) in place,
install thermostat(s) and coolant manifold/thermostat
cover.
5. Tighten cover cap screws to 70 N•m (52 lb-ft).
6. Lubricate new O-ring with PT507 Multi-Purpose
Grease. Install seal (B) in thermostat cover.
DPSG,RG34710,112 –19–27JUL06–5/5
RG8115B –UN–15JAN98
Cover-To-Coolant Pump Tube
C—Cover-To-Coolant Pump Tube
7. Install coolant manifold/thermostat cover-to-coolant
pump tube (C). Tighten clamps.
8. If not already done, fill cooling system and check for
leaks.
IMPORTANT: Air must be expelled from cooling
system when filling. Loosen
temperature sending unit fitting at rear
of cylinder head or plug in thermostat
housing to allow air to escape when
filling system. Tighten fitting or plug
when all air has been expelled.
35-8
080706
PN=166