A/T - Dash/Steering Wheel Shake at Idle
Model Year 1982Bulletin No. 82-T-121
File in Group 70
Number 74
Date Feb. '83
SUBJECT: New Transaxle Service Mount
MODELS AFFECTED: 1982 Skyhawks With Automatic Transmissions
& 1.8L L4 Engines, VIN Code "G"
Some 1982 Skyhawks with automatic transmissions may exhibit dash or steering wheel shake at idle.
Vehicles exhibiting idle shake can be improved by the installation of a new transaxle mount, P/N 14067053. (See Note At End Of Bulletin.)
The installation procedures contained in this bulletin must be followed to achieve optimum performance of the new mount.
TRANSAXLE MOUNT REMOVAL
1. Disconnect negative battery cable.
RH FRONT ENGINE MOUNT ALIGNMENT BOLT (M6 X 1 X 65)FIG. 1:
2. Using a M6 x 1 x 65 bolt, insert bolt in hole at front R.H. engine mount to prevent mount mislocation during transaxle mount removal (Figure 1).
3. Install engine support fixture (refer to page 7A-11 of the 1982 Skyhawk Shop Manual). Apply a preload on lift hook so that engine will not drop down upon mount bolt removal.
4. Raise vehicle and remove L.H. horn assembly.
TRANSAXLE MOUNTFIG. 2:
5. Remove lower three (3) bracket to transaxle mount bolts (Figure 2).
LATERAL TRANSAXLE SUPPORT STRUT (Tri Pot Axle Shaft Equipped Cars Only) FIG. 3:
6. Loosen outboard lateral transaxle support strut bolt (if equipped) (Figure 3).
TRANSAXLE MOUNT STRUTFIG. 4:
7. Loosen forward-most transaxle mounting strut bolt (Figure 4).
FIG. 5:
8. Loosen two (2) R.H. rear engine mount retaining nuts (Figure 5).
NOTICE: It is extremely important that Steps 6, 7 and 8 be performed as installation of the new mount will generate unwanted preload to the new mount as well as to the support struts.
9. Lower vehicle and remove the rear-most bracket-to-transaxle mount bolt.
10. Remove the two (2) transaxle mount-to-body bolts, then remove mount.
SERVICE MOUNT INSTALLATION AND ALIGNMENT
1. Install new transaxle mount using the two (2) body bolts. Do not torque the bolts at this time, snug them up only.
2. Using the engine support fixture, adjust the engine height so that the mount bracket contacts (lightly) the transaxle mount.
NOTICE: Do not lift the engine into place by tightening the attaching bolts, as this may create undesirable loads on the mount.
3. Raise vehicle and install three (3) lower bracket-to-mount bolts and torque to 52 N-m (38 ft.lbs.).
4. Lower vehicle and install the rear bracket-to-mount bolt and torque to 52 N-m (38 ft.lbs).
5. Remove engine support fixture.
FIG. 6:
6. With transaxle in neutral, observe the transaxle mount end gaps (Figure 6). If end gaps are not equal front to rear, it will be necessary to insert a pry bar into the narrower of the two gaps and pry fore or aft. At the same time, torque the mount-to-body bolts 61 N-m (45 ft.lbs.). Verify that end gaps are equal. If not, repeat Step 6.
NOTICE: Use caution when prying mount, as not to tear rubber. A blunt blade pry bar is recommended.
7. Raise vehicle and tighten two (2) R.H. rear engine mount nuts to 25 N-m (19 ft.lbs.).
8. Tighten transaxle mount strut to 54 N-m (40 ft.lbs.).
9. Tighten lateral transaxle support strut to 54 N-m (40 ft.lbs.).
10. Reinstall horn then lower vehicle.
11. Remove locating bolt from R.H. front engine mount.
12. Reconnect negative battery cable.
13. With engine at normal operating temperature, emergency brake applied and drive wheels blocked, all accessories on and transmission in drive, visually inspect the foreward-most transaxle mount end gap. For optimal idle shake isolation, there must be a slight end gap remaining.
Parts will be available on a limited basis beginning the week of December 20, 1982. Normal dealer ordering may resume after January 15, 1983.
Labor Operation Number K6721
Labor Time .8 hours
NOTE: Base (slow) idle speeds greater than 850 RPM in drive with no loads on the engine could cause the transaxle to ground out, reducing the effectiveness of the new mount.
Therefore, prior to installation of this new mount, the prom should be checked against the following part number and broadcast code to verify engine base idle.
Part No. Prom Code Application RPM
1226046 BKU Federal 784
1226048 BKX California 784
1226047 BKW Federal 880
1226049 BKY California 880