Suspension - Rear End Crunch/Squeak On Large Bumps

09-002

October 7, 2009

Applies To:
2007-08 MDX - ALL
*2009 MDX - From VIN 2HNYD28..9H500001 thru 2HNYD28..9H512292*

Rear Suspension Squeaks or Crunches Over Large Bumps (Supersedes 09-002, dated January 28, 2009, to revise the information marked by asterisks)

*REVISION SUMMARY

In Applies To, the 2009 models were changed from ALL to a specific VIN range.*

SYMPTOM

A squeaking or crunching comes from the rear suspension when you drive over large bumps.

PROBABLE CAUSE

The rear bump stops are faulty.

CORRECTIVE ACTION

Replace both rear bump stops.

PARTS INFORMATION

Rear Bump Stop Assembly (2 required):
P/N 52720-STX-A01

Damper Flange Bolt (12 mm) (2 required):
P/N 90172-STX-A00 Knuckle

Flange Bolt (14 mm) (2 required):
P/N 90170-STX-A01

Flange Nut (2 required):
P/N 90002-STX-A00

WARRANTY CLAIM INFORMATION

In warranty:
The normal warranty applies.

Operation Number: 4171A2

Flat Rate Time: 0.9 hour

Failed Part: P/N 52720-STX-A00

Defect Code: 01101

Symptom Code: 04201

Skill Level: Repair Technician

Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.

DIAGNOSIS

Drive the vehicle on a road that has dips, a large rolling bump, or a similar condition. If the squeak or crunch occurs when the rear suspension goes through a large amount of travel, go to REPAIR PROCEDURE. If the noise is not a squeak or crunch, this service bulletin does not apply; continue with normal troubleshooting to find the cause of the noise.

REPAIR PROCEDURE

Replace the rear bump stops:

^ Refer to page 18-45 thru 18-48 of the 07-09 MDX Service Manual, or

^ Online, enter keywords BUMP STOP, then select Rear Spring/Bump Stop Removal/Installation from the list.





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