Question about Chevrolet 1500
REMOVAL & INSTALLATION
Never open, service or drain the radiator or
cooling system when hot; serious burns can occur from the steam and hot coolant.
Also, when draining engine coolant, keep in mind that cats and dogs are
attracted to ethylene glycol antifreeze and could drink any that is left in an
uncovered container or in puddles on the ground. This will prove fatal in
sufficient quantities. Always drain coolant into a sealable container. Coolant
should be reused unless it is contaminated or is several years old.
the level of the intake manifold).
thermostat from the engine, or, on the 4.8L, from inside the adapter elbow.
Use a new gasket when installing the elbow to the manifold.
engine, or, on the 4.8L, downward into the thermostat housing. Tighten the
thermostat housing bolts to 20 ft. lbs. (28 Nm). On the 4.3L, 5.0L, 5.7L tighten
the studs to 21 ft. lbs. (28 Nm). On the 7.4L tighten the bolts to 27 ft. lbs.
Fig. 1: Remove the thermostat housing bolts
Fig. 2: Remove the thermostat housing from the engine
Fig. 3: Remove the thermostat from the housing
Fig. 4: Thermostat housing - 4.3L engines
Fig. 5: Thermostat housing - 4.how to install thermastat in - 84903086.gifbr />
Fig. 6: Thow to install thermastat in - 84903087.gifusing - 5.0L and 5.7L engines
Fig. 7: Thermostat housing - 7.4L engines, R/V series
how to install thermastat in - 84903089.gif>
Fig. 8: Thermostat housing - 7.4L engines C/K series
Fig. 9: Thermostat housing - 6.2L engines, R/V series
Fig. 10: Thermostat housing - 6.2L and 6.5L diesel engines -
1988-95 C/K series
thermostat is in the engine. Tighten the bolts to 35 ft. lbs. (47 Nm) on 1988-91
models and 31 ft. lbs. (42 Nm) on 1992-95 models.
Fig. 11: Exploded view of the thermostat assembly components
1996-98 diesel engines
stud to 31 ft. lbs. (42 Nm).
radiator hose is hot (this means the thermostat is open).
bottom of the filler neck.
tube and check for coolant leaks.
Posted on Oct 07, 2010
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Posted on Jan 02, 2017
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