Vauxhall Workshop Service and Repair Manuals

Replace differential gear (F17+/F17+ MTA)

Note:   Transmission remains installed.

  Remove

1.	Detach axle shafts from transmission Note:   Axle shafts remain in wheel hub.

2.   Detach differential cover (1) Note:   Place collecting pan underneath - transmission fluid will escape •   Unscrew 10x bolt 3.   Mark position of bearing race (2) in respect of transmission (arrow)

4.   Remove end shield cover 5.   Remove end shield (2) from transmission

6.   Remove bearing race with KM-447 (2) •   Remove retaining plate (1) from bearing race – Unscrew bolt 7.   Remove differential downwards

8.   Remove 2x axle shaft seal ring from bearing race (3) and transmission •   Remove axle shaft seal ring with KM-454-2 (1) and KM-454-4 (2) 9.   Remove tapered roller bearing outer race from bearing race Note:   Only necessary when replacing the bearing in the bearing race. •   Place tapered roller bearing outer race on KM-303 (6) •   Remove tapered roller bearing outer race with KM-304 (4) and KM-451 (5) 10.   Remove tapered roller bearing outer race from transmission Note:   Only necessary when replacing the bearing in the transmission. •   Remove tapered roller bearing outer race with KM-305 and KM-451 Note:   If the transmission has been removed, use KM-304 and KM-451 .

11.   Detach 2x tapered roller bearing inner race (1) from differential Note:   Only necessary when replacing. Do not interchange outer and inner races respectively when re-using tapered roller bearings. •   Remove tapered roller bearing inner race with KM-161-B (4), KM-161-3 (3) and KM-161-4 (2) 12.   Remove the ring gear from the differential housing •   Clamp differential housing in vice Note:   Use protective jaws. •   Unscrew 8x bolt (5)

13.   Drive ring gear (1) off differential housing with plastic hammer Note:   Note identification groove (arrows) running around tip of tooth. •   Clamp ring gear in a vice Note:   Use protective jaws.

  Install

16.   Attach ring gear (1) to differential housing Note:   Replace drive gears only in pairs (driving and driven). Note identification groove (arrows) running around tip of tooth. •   Clean 8x thread •   Tighten 8x new bolt evenly 70 Nm + (30° - 45°) Note:   Insert bolts with retaining compound

17.   Attach 2x tapered roller bearing inner race (2) •   Push on 2x tapered roller bearing inner race with KM-453 (1) to differential housing (3)

18.   Attach 2x tapered roller bearing outer race •   Install tapered roller bearing outer races (2) with KM-304 (1) and KM-451 (3) in the transmission and bearing race 19.   Fit axle shaft seal rings •   Install axle shaft seal rings with KM-446 in bearing race and transmission housing 20.   Insert differential (4) into transmission from below.

Important:   Align bearing race with marking previously made. 21.   Install bearing race with KM-447 (2) Important:   The connection must be oil-tight. •   Coat thread (arrow) and new O-ring (1) with multi-purpose grease

23.   Install end shield (2) 24.   Attach end shield cover (1)

25.   Replace differential cover (1) •   Use new gasket •   Tighten 10x bolt 18 Nm