CAUTION
DO NOT perform this operation on a hot engine. Depress the button on the radiator
cap to relieve the pressure in the cooling system.
| Fig. 1: After the bolts are removed, pull the housing
from the intake manifold
|
| Fig. 2: When removing the thermostat, note which direction
it was installed
|
| Fig. 3: Clean the gasket mounting surfaces thoroughly
|
The thermostat is located on the top of the intake manifold, at the right side
of the engine.
- If necessary, remove the spare tire to gain working clearance.
- Position a clean drain pan under the radiator, remove the drain plug and
the radiator cap, then drain the cooling system to a level below the thermostat.
- If necessary, remove the air cleaner assembly, with it's hoses, brackets
and wing nut.
- Remove the thermostat housing–to–intake manifold bolts, lift
the cover and discard the gasket.
- Remove the thermostat; be sure to note it's mounting position.
- Using a putty knife, clean the gasket mounting surfaces. Check and/or replace
the thermostat (if necessary).
To install:
- Install a new gasket, using sealant (if necessary) and the thermostat.
NOTE: Be sure that the thermostat is installed with the
spring/wax pellet facing downward; MAKE SURE that the jiggle valve is facing
upwards.
- Install the housing and fasten the housing–to–intake manifold
bolts.
- If removed install the air cleaner assembly, hoses, brackets, and wing nut.
- Refill the cooling system and check for leaks.
