Contents: Inspection ⬇ Replacement ⬇
Inspection
1. For better access, jack up the front of the car and place it on axle stands. Unscrew the mounting bolts and remove the lower shield from under the engine.
2. Check the rubber pad for cracks, hardened areas, or separation from the metal base. Replace the hanger if any damage is found.
3. Make sure all suspension fasteners are securely tightened; use a torque wrench for this.
4. Using a large screwdriver, check the suspension for play (he talks about wear and tear); where this is not possible, have an assistant move the engine/transmission assembly back and forth or side to side and observe the suspension. There is some play even with new components, but excessive wear will be obvious. If play is significant, first check that fasteners are securely tightened. Replace any worn components as described below.
Replacement
Left and right engine mounts
Attention! It is recommended to change the hangers simultaneously, as a matched pair.
5. Apply the handbrake, then jack up the front of the car and place it on axle stands. Unscrew the mounting screws and remove the lower shield from under the engine.
6. Support the power unit with a jack, placing a piece of wood between them. Alternatively, hook a winch to the mounting eyes on the cylinder head.
7. Loosen the upper and lower nuts securing the engine mount to the bracket on the cylinder block and to the subframe, then lift the engine slightly and remove the mount from its operating position. If necessary, loosen and remove the mount bracket from the cylinder block.
Caution: Be very careful not to pull on any wiring or hoses or damage the exhaust system when lifting the engine.
8. Check all components for damage and signs of wear and replace as necessary.
9. When installing, place the hanger on the sub-frame, aligning the mounting protrusion with the groove in the frame, then install the lower nut and tighten it with the tightening force specified Specifications.
10. Install the suspension bracket (where removed) on the cylinder block and tighten the mounting bolts with the specified tightening force Specifications.
11. Lower the engine onto the hanger, then remove the jack/winch. Install the upper hanger mounting nut and tighten it to the specified torque Specifications.
(Material copied from the portal: «opelbook»)
12. Install the lower shield, then lower the vehicle to the ground.
Rear transmission unit mount
13. Apply the handbrake, then jack up the front of the car and place it on axle stands.
14. Support the transmission with a jack, placing a piece of wood between them. Raise the jack to support the weight of the transmission.
15. Loosen and remove the bolts securing the transmission unit rear suspension crossmember to the body. Unscrew the nuts securing the crossmember to the suspension and remove it from the vehicle.
16. Unscrew the bolts and remove the hanger from the transmission base.
17. Check all components for damage and signs of wear and replace as necessary. Remove all traces of locking compound from the threads of the crossmember-to-body mounting bolts.
18. Install the suspension on the transmission block and tighten the mounting bolts with the specified tightening force Specifications.
19. Install the crossbar on the hanger and tighten the fastening nuts.
20. Apply a few drops of blocking compound (Opel recommends using composition 15 10 181) on the threads of the bolts securing the cross member to the body, then install both bolts and tighten them to the specified tightening force Specifications.
21. Remove the jack from under the transmission, then tighten the crossmember-to-suspender mounting nuts to the specified tightening torque Specifications. Lower the car onto its wheels.
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