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Squeak or Chirp Noise from Front of Vehicle at 80-97 KM/H (50-60 MPH)

Subject:"Squeak" or "Chirp" Noise From Front of Vehicle at 80-97 KM/H (50-60 MPH) or 2100-3000 RPM (Install Heat Shrink Tubing on Secondary Air Injection Pump Bracket Anti-Rotation Tab)

Models:1999 Saturn vehicles with DOHC (LL0) engine and RPO Code NC1 - California LEV



Condition

Some customers may comment of a "Squeak" or "Chirp" noise from the front of vehicle while driving at 80-97 km/h (50-60 mph) or when stationary at 2100-3000 rpm.

Cause

The Secondary Air Injection Pump bracket anti-rotation tab wears against the slot in the motor rail.

Correction

Install heat shrink tubing to the air injection pump bracket anti-rotation tab according to the following procedure.

Removal Procedure


    Object Number: 873573  Size: SH
  1. Disconnect secondary air injection pump wiring harness connector.
  2. Remove air pump outlet air hose.
  3. Remove air pump bracket mounting bolts.
  4. Remove air pump and bracket assembly from the vehicle and place on radiator support.

  5. Object Number: 879264  Size: MF
  6. Slide heat shrink tubing (P/N 21015251) onto the anti-rotation tab up to first bend in bracket. The opposite end of heat shrink tubing should be positioned in middle of tapered section at end of bracket.
  7. Use a heat gum to uniformly heat tubing to set in place. Allow heat shrink tubing to cool before installing bracket into vehicle.

Installation Procedure

  1. Install air pump and bracket assembly into vehicle.
  2. Install and torque air pump bracket mounting bolts.
  3. Tighten
    Tighten to 25 N·m (18 lb ft)

  4. connect air pump wiring harness connector.
  5. Install air pump wiring harness terminal on bracket.

Parts Requirements

21015251 - Sleeve - Secd Air Injn Pump Brkt

Warranty Information

To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System as follows:

Case Type

Description

Labor Operation

Time

VW

Install Heat Shrink Tubing to Secondary Air Injection Pump Bracket

Z4012

0.3 hrs