Exhaust System - Vibration Felt In Floor At Low RPM's
Retailer Technical Journal 22050Si6 exhaust mounting,
Harsh noise and vibration
Date 11-25-2009
Note!
If using a printed copy of this Retailer Technical Journal, first check for the latest online version.
AFFECTED VEHICLES:
DESCRIPTION:
When diagnosing a harsh noise and/or vibrations from the front floors at low engine RPMs (up to 2000 RPM) and high load, attention should be paid to the bushings (or lack there of) in the front exhaust mounting bracket. Vehicles after the chassis break in the header have an improved bushing in the bracket.
MATERIALS:
SERVICE:
On a vehicle with the symptom described above, follow the instructions below to install the improved mounting bushings.
1.
Note!
Some variation in the illustrations may occur, but the essential information is always correct.
Steps 2-3 apply to model year 2007-2008 vehicles which may not have the rubber bushings and sleeves.
Removal
2. Remove the:
- Bracket
Installation
3. Install the:
- New bracket (which comes with rubber bushings and sleeves)
- New screws. Tightening torque, M8: 24 Nm (17.7 lbf-ft).
Steps 4-7 apply to model year 2009-
2010 vehicles which may have the rubber
bushings and sleeves.
Removal
4. Remove the:
- Screws
Detach the bracket from the heat deflector plate and pull it down a few centimeters.
5. Remove the:
- Rubber bushing and sleeve
Installation
6. Install the:
- Rubber bushing from underneath and
sleeve from above.
7. Press the heat deflector plate into the bracket.
Install the:
- New screws. Tightening torque, M8: 24 Nm (17.7 lbf-ft).
WARRANTY CLAIM INFORMATION