For 1990-2009 cars

## Noise Diagnosis - Seat Head Restraint Rattle

### Head Restraint Rattle

#### Symptom:

Rattle coming from the head restraint area.

#### Possible Cause:

Head restraint posts rattling in the receiver holes.

#### Diagnosis:

Test drive the vehicle, and apply pressure to the head restraint.

#### Corrective Action:

• | Remove the head restraint.

• | Bend the posts approximately 25.4 mm (1.0 in) outward. This pre-loads the posts in the receiver holes.

## Noise Diagnosis - Seat Rear Seatback Cushion Rattle

### Rear Seatback Cushion Rattle

#### Symptom

Rattle from the rear seatback rest area.

#### Possible Cause

• | Check for the seat belt buckle hitting the seat trim.

• | Rear seatback is not in tension against to the striker bolt. This allows the latch to rattle on the striker bolt.

#### Diagnosis

Test drive the vehicle, apply pressure to the rear seatback, listen for the rattle.

#### Corrective Action

• | Insure that the rear seat is in the proper location (rearward as far as possible).

• | Loosen the lower hinge bolt.

• | Push the bottom of the seat rearward and apply pressure rearward.

• | Retighten the nuts.

Tighten
Tighten the pivot support nut to 24 N·m (18 lb ft).

• | Reevaluate. If condition persists, loosen striker and reposition rearward as far as possible. Bend striker with mallet to create and interference fit.

## Noise Diagnosis - Seat Front Seat Creak

### Front Seat Creak

#### Symptom

Creak heard in seat back when occupants weight shifts.

#### Possible Cause

Seatback hinge recliner bolts not tightened to specifications.

#### Diagnosis

Check bolt torque.

#### Corrective Action

Tighten bolt to specifications.

Tighten
Tighten the seatback hinge recliner bolts to 24 N·m (18 lb ft).

## Noise Diagnosis - Seat Front Seat Belt Rattle

### Front Seat Belt Rattle

#### Symptom

Rattle from the side of the front seat.

#### Possible Cause

The seat belt latch rattles against the plastic trim of the seat.

#### Diagnosis

Visually inspect the seat belt latch and seat for contact.

#### Corrective Action

Add felt tape to the plastic part of the seat belt latch.