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on a 2002 2.4 engine head bolts are 'torqued to distance'.
First, install all the bolts, and, in a sequential fashion, starting at
the innermost, working outward, torque all bolts to 70 N-m/806 kgf-cm/58
foot lbs.
Next, mark the front side of each head bolt with a dot of paint.
Retighten the cylinder head bolts 90 degrees, starting at the inner 2,
and working outward.I dont thin anything has changed on this engine since then.
There is a proper tightening sequence for the valve cover bolts. I've
found it extremely helpful to put a bead of RTV on the valve cover
gasket to help ensure a solid seal. I've had problems with the aluminum
threads in the head stripping out before reaching torque spec. You can use longer bolts in some of the holes on the head if you have stripping problems.
You should also wait 12 hours before starting the car, as you want the seal to take.
The 2002 2.4 engine head bolts are 'torqued to distance'.
First, install all the bolts, and, in a sequential fashion, starting at the innermost, working outward, torque all bolts to 70 N-m/806 kgf-cm/58 foot lbs.
Next, mark the front side of each head bolt with a dot of paint. Retighten te cylinder head bolts 90 degrees, starting at the inner 2, and working outward.
Before servicing the vehicle, refer to the Precautions section.
Drain the transaxle fluid.
Remove or disconnect the following:
Negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceedingBatteryAir cleaner assemblyThrottle cable from the throttle bodyCruise control actuator cover and connector, if equippedGround wireStarterSpeed sensor connectors, direct clutch speed sensor, and the park/neutral position switch connector on the transaxleSolenoid connector on the transaxleShift control cableOil cooler hosesFront side transaxle mounting boltsFront engine mounting boltsOil cooler line mounting bolts from the front frameUpper transaxle to engine mounting bolts
Fig. Tie the steering rack to the engine support fixture components, as shown-Avalon and Camry Front exhaust pipeEngine side covers and undercoversBoth halfshaftsFront side engine mounting nutRear side engine mounting bolts (remove hole plugs)Left side transaxle mounting boltsSteering gear housingFront frame assemblyRear end plate mounting boltsTorque converter coverTorque converter retaining boltsRemaining transaxle mounting boltsTransaxle
loosen the mounting bolts on the alternator, remove the old belt, replace with the new belt, slightly tighten the top mounting bolt, pull the alternator up until the belt is tight or if there is an adjustment bolt, crank down until tight (shouldn't bow more than 1"), and tigten other hardware.
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