ES 300 V6-3.0L (3VZ-FE) (1992)
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Camshaft Gear/Sprocket: Service and Repair
1.
Disable airbag system as described under MAINTENANCE PROCEDURE/AIRBAG SYSTEM DISARMING.
2.
Drain coolant.
3.
Disconnect accelerator cable and throttle cable, if equipped, from throttle body.
4.
Remove cruise actuator and vacuum pump. Refer to ENGINE.
5.
Remove air cleaner hose.
6.
Remove engine righthand undercover.
7.
On ES 250 models, remove suspension lower crossmember.
8.
On all models, remove front exhaust pipe.
9.
Remove alternator, ISC valve and throttle body.
10.
Remove EGR pipe, then the EGR valve and vacuum modulator.
11.
Remove vacuum pipe.
12.
Remove distributor.
13.
Remove exhaust crossover pipe.
14.
Disconnect cold start injector connector. Remove cold start injector tube.
Fig. 10 Intake Manifold Removal
15.
Remove air intake chamber as follows:
a. Disconnect PCV, vacuum sensing, fuel pressure, air conditioner control valve, and EGR temperature sensor hoses.
b. Remove intake chamber stays.
c. Remove intake chamber and gaskets.
16.
Remove delivery pipes and injectors, Fig. 10.
17.
Remove water outlet.
18.
Disconnect injector time switch, water temperature sensor, and heater by-pass hose. Remove water bypass outlet.
19.
Remove cylinder head rear plate.
20.
Remove idler pulley bracket stay, then the intake manifold.
21.
Remove righthand exhaust manifold.
22.
Remove lefthand exhaust manifold.
23.
Remove spark plugs.
24.
Remove timing belt, camshaft timing pulleys and No. 2 idler pulley. Refer to TIMING BELT.
25.
Remove No. 3 timing belt cover.
26.
Remove cylinder head covers, then the spark plug tube gaskets.
Fig. 11 Cam Timing Locations
