Rear Hatch - Not Always Locking Using Central Locking

88saab01

FILE IN S.I. Man VOL. I

SEC. B-8 PG. 23

Service Information

SUBJECT: REAR HATCH NOT LOCKING WITH ISSUE: 01/88-1028 OPERATION OF CENTRAL LOCKING


APPLICATION: 9000 MODELS

A service fix is now available for rear hatches that do not always lock when operating the central lock function. The fix will prevent lock rebounding when the motor is activated.

Parts Required

Screw (1 reg.) 79-73-159
Flat Washer (1 req.) 92-28-255
Wave Washer (2 req.) 79-33-856

Tool Required

Saab Spring Scale 83-90-130

FIGURE 1 - NEW PARTS INSTALLED IN THE LOCK MECHANISMS.:

Repair Details

1. Remove the latch mechanism from the car.

2. Install the new self-threading screw (1), flat washer (3) and two wave washers (2), as shown in Figure 1.

Tighten the screw initially to a torque of 45 - 62 in.lbs. (5-7 N-m).

FIGURE 2 - MEASURING LOCK MECHANISM WITH THE SPRING SCALE.:

3. Use the Saab Spring Scale to measure the force required to operate the lock mechanism (Figure 2) with the bolt tightened.

The force should measure between 3.2
- 3.9 lbs. (1.4 - 1.7 kg.) on the scale.

If the force is greater than 3.9 lbs. (1.7 kg.), loosen the torque on the lock mechanism screw until the correct measurement can be taken.
If not enough force can be achieved then the flat washer (3) cannot be used. In that case be certain that the wave washers are properly centered around the pivot shaft upon assembly.

4. Reinstall the lock mechanism and check it's operation.


Warranty Information: For warranty claims use Failure Coding 83451-78-0-01-
05. Time allowance is Labor Operation #83451 (0.3 hour) plus 0.2 hour in Straight Time.