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See Figures 1, 2, 3 and 4
CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
Fig. Fig. 1: Loosen the clamp securing the hose to the thermostat housing
Fig. Fig. 2: Remove the bolts securing the housing, then pull it away
Fig. Fig. 3: Make a note as to which end of the thermostat fits in the housing
Fig. Fig. 4: Make sure both of the mating surfaces are free of any old gasket material
Engine Coolant Thermostat Replacement (3100 Engine)
The throttle body can be worked around ,but if it is in your wat remove it.
Hose Clamp Pliers
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten Tighten the thermostat housing bolts to 25 N·m (18 lb ft).
Throttle Body Assembly Replacement
Notice: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.
Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.
Tighten Tighten the throttle body retaining nuts and bolts to 28 N·m (21 lb ft).
Important: The throttle should operate freely without binding between full closed and wide open throttle.