Landcruiser V8-4.7L (2UZ-FE) (2000)
Repair Procedure E1
Install Exhaust Pipe Damper
1.
Remove the heat insulator from the main muffler.
2.
Remove the exhaust pipe damper from the main muffler.
3.
Install the new exhaust pipe damper to the main muffler with the 2 bolts.
NOTE:
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The 5 exhaust pipe dampers are tuned to different frequencies (32 Hz, 39 Hz, 48 Hz, 43.8 Hz, and 34.6 Hz).
Install each of the 5 exhaust pipe dampers to determine which is the most effective.
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Due to its larger size, when installing the 43.8 Hz damper, you MUST use a new heat insulator (P/N 17551-50091) in place of the original
heat insulator.
4.
Install the appropriate heat insulator to the main muffler with the 2 nuts.
Repair Procedure E2
Install Exhaust Pipe Damper
1.
Remove the heat insulator from the main muffler.
2.
Remove the exhaust pipe damper from the main muffler.
3.
Install the new exhaust pipe damper to the main muffler with the 2 bolts.
NOTE:
The 5 exhaust pipe dampers are tuned to different frequencies (32 Hz, 39 Hz, 48 Hz, 43.8 Hz, and 34.6 Hz). Install each of the 5 exhaust pipe
dampers to determine which is the most effective.
4.
Reinstall the heat insulator to the main muffler with the 2 nuts.
Repair Procedure F
Install Passenger's Side Crossmember Frame Damper Weight
1.
Install the RH No.4 crossmember damper weight.
A.
Install the RH No. 4 crossmember damper weight by following steps H - L of Repair Procedure C2.
B.
After installation, check the vibration level again. If vibration level is worse after installing the RH No. 4 crossmember damper weight,
remove it and do NOT utilize this part.
NOTE:
For all model year vehicles, weld nuts are located in the passenger's side frame rail.
Therefore, installation of the securing bracket inside the frame rail is not necessary.