Inspection Procedure 2

Inspection Procedure 2: Abnormal Noise

DIAGNOSIS

STEP 1. Start the engine. Have an assistant stay in the drivers seat. Raise the vehicle on a hoist. Have the assistant rev the engine while searching for abnormal noise.

Q. Is any abnormal noise generated?

YES Go to Step 2.
NO The procedure is complete.
STEP 2. Check for missing parts in the muffler. Tap the muffler lightly to check for loose baffles, etc.

Q. Are there any missing parts in the muffler?

YES Replace the muffler (Refer to ). Then go to Step 7 .
NO Go to Step 3.
STEP 3. Check the hanger for cracks.

Q. Is the hanger cracked?

YES Replace the hanger (Refer to ). Then go to Step 7.
NO Go to Step 4.
STEP 4. Check for interference of the pipes and muffler with the body.

Q. Are the pipes and muffler interfering with the body?

YES Repair the pipes or muffler. Then go to Step 7.
NO Go to Step 5.
STEP 5. Check the heat protectors.

Q. Are any heat protectors loose or damaged?

YES Tighten or replace the heat protector (Refer to ).
Then go to Step 7.
NO Go to Step 6.
STEP 6. Check the pipes and muffler for damage.

Q. Are the pipes and muffler damaged?

YES Replace the pipes or muffler (Refer to ). Then go to Step 7.
NO There is no action to be taken.
STEP 7. Start the engine. Have an assistant stay in the drivers seat.
Raise the vehicle on a hoist. Have the assistant rev the engine while searching for abnormal noise.

Q. Is any abnormal noise generated?

YES Return to Step 2.
NO The procedure is complete.