Inspection Procedure 1: Noise, Vibration

DIAGNOSIS PROCEDURE

STEP 1. Check the idle speed.

Q. Does the idle speed meet the standard values?

	Go to Step 2 .

	Refer to GROUP 11A, On-vehicle Service - Idle Speed Check.

STEP 2. Check whether the transmission and engine mount is loose or damaged.

Q. Are the transmission and engine mount loose or damaged?

	Tighten or replace the part. Then go to Step 7 .

	Go to Step 3 .

STEP 3. Check that the oil level is up to the lower edge of the filler plug hole.

Q. Is the oil level up to the lower edge of the filler plug hole?

Go to Step 4 .

Refill DiaQueen NEW MULTI GEAR OIL API classification GL-3, SAE 75W-80. Then go to Step 7 .

STEP 4. Check for the specified oil.

Q. Is the specified oil DiaQueen NEW MULTI GEAR OIL API classification GL-3, SAE 75W-80?

	Go to Step 5 .

	If in doubt, replace the oil. Refer to . Then go to Step 7 .

STEP 5. Remove the transmission. Check the axial play of the input and output shafts.

Q. Does the axial play of the input and output shafts meet the standard value?

	Go to Step 6 .

	Adjust the axial play of the input and output shafts. Then go to Step 7 .

STEP 6. Disassemble the transmission. Check the gears for wear and damage.

Q. Are the gears worn or damaged?

	Replace the gears. Go to Step 7 .

	Go to Step 7 .

STEP 7. Retest the systems.

Q. Is the noise or vibration still there?

	Return to Step 1 .

	The procedure is complete.