Refer to Problem Symptoms Table.
51420
1.REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY
12371A
2.INSPECT REAR ENGINE MOUNTING INSULATOR
Disengage the 2 clamps to separate the vacuum hose.
Disconnect the vacuum hose.
Using a vacuum pump, apply vacuum of 80 kPa (600 mmHg, 23.6 in.Hg) and wait for 1 minute.
Check that there is no change in the needle movement of the vacuum pump gauge.
Vacuum pressure holds.
Check that there is no fluid leakage caused by a break in the diaphragm.
Connect the vacuum hose.
Engage the 2 clamps to install the vacuum hose.
51420
3.INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY