GX 470 V8-4.7L (2UZ-FE) (2004)
Timing Belt: Service and Repair
REPLACEMENT
1. DRAIN ENGINE COOLANT
2. SEPARATE BATTERY NEGATIVE TERMINAL
3. REMOVE V-BANK COVER SUB-ASSEMBLY
a. Remove the 2 cap nuts and V-bank cover sub-assembly.
4. REMOVE AIR CLEANER HOSE ASSEMBLY
5. REMOVE RADIATOR SUPPORT SEAL UPPER
a. Remove the 11 clips and radiator support seal upper.
6. REMOVE FAN AND GENERATOR V BELT
7. REMOVE FAN W/ FLUID COUPLING
a. Unfasten each clip and the 2 hose clamps, and then separate the 2 oil cooler hoses from the fan shroud.
b. Remove the 3 bolts and separate the fan shroud from radiator.
c. Remove the 4 nuts and separate the fan w/ fluid coupling from the engine.
d. Remove the fan shroud and fan w/ fluid coupling together from the vehicle.
8. SEPARATE VANE PUMP ASSEMBLY
a. Disconnect the vacuum hose.
b. Remove the nut, 2 bolts and vane pump assembly.
HINT: Hang up the hoses instead of detaching.
9. REMOVE GENERATOR ASSEMBLY
10. SEPARATE COMPRESSOR
a. Remove the nut, 3 bolts compressor stay and compressor.
HINT: Hang up the hoses instead of detaching.
11. REMOVE IDLER PULLEY SUB-ASSEMBLY NO.2
a. Remove the bolt and idler pulley sub-assembly.
12. REMOVE OIL COOLER PIPE
a. Disconnect the 3 hoses.
b. Remove the bolt, nut and oil cooler pipe.
13. REMOVE TIMING BELT COVER SUB-ASSEMBLY NO.3 LH
a. Remove the grommet and separate the camshaft position sensor connector and cam position sensor wire from left timing belt cover
sub-assembly No. 3.
b. Disconnect the 3 wire harness clamps.
c. Remove the 4 bolts and left timing belt cover sub-assembly No. 3.
14. REMOVE TIMING CHAIN OR BELT COVER NO.2
a. Remove the nut, 3 bolts and timing belt cover No. 2.
15. REMOVE TIMING BELT COVER SUB-ASSEMBLY NO.2
a. Remove the 2 bolts and timing belt cover sub-assembly No. 2.
16. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
a. Remove the bolt 2 nuts and V-ribbed belt tensioner.