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Intake manifold > < Valve Clearance, Adjust (Z 17 DTH, with Air Conditioning, LHD)

Corsa C

Replace valve stem seals

  Remove

1.   Remove camshaft housing
2.   Remove roller cam follower with hydraulic valve lifter LUREF_1.gif
3.   Remove 2 x camshaft housing centring pins (1)
Object Number: 8063858 Size: DEFAULT


4.   Attach MKM-6086
•   Adjust 2 supports MKM-6086-6 1
– Set support heads on outside of support feet
– Tighten 2 bolts
•   Slide joint MKM-6086-8 (2) onto mounting shaft MKM-6086-4 (3)
– Slide 2 supports MKM-6086-6 onto the mounting shaft MKM-6086-4
•   Attach both supports with the mounting shaft to the cylinder head
Important:   Note screw length of blind hole thread
– Screw in 4 bolts
Object Number: 8063852 Size: DEFAULT


Important:   Note screw length of blind hole thread
5.   Attach EN-46782 together with EN-46783 (2) and MKM-6086-17 (1) to cylinder 1
•   Screw in stay-bolt (5)
•   Fit EN-46782 with gasket and injector (4) on cylinder 2
– Tighten nut (6) 20 Nm
Object Number: 8063853 Size: DEFAULT


6.   Attach lever arm
•   Attach lever arm MKM-6086-7 (3) together with adapter MKM-6086-12 (2) and removal head MKM-6086-11 (4) to joint MKM-6086-8 (1)
Important:   Check that compressed air is being applied
7.   Remove 2 cylinder no.1 intake valve springs
Important:   Removal head must be vertically above the valve stem
•   Carefully push valve spring down with lever arm MKM-6086-7
•   Remove 2 split cotters (arrow)
•   Remove valve heads and valve springs
Object Number: 8063854 Size: DEFAULT


8.   Replace 2x valve stem seals
•   Detach using KM-840 (1)
•   Attach new valve stem seal (3) to valve stem (2)
Note:   Moisten new valve stem seals with oil.
•   Using EN-46779 (4), drive in as far as the stop
Object Number: 8063855 Size: DEFAULT


9.   Complete the assembly head MKM-6086-100-1
Note:   Follow manufacturer's instructions.
•   Assemble the assembly head, which consists of a mount (1), securing sleeve (2), thrust piece MKM-6086-13 (3), spring (4), screwed connection (5) and lever mount MKM-6086-12 (6)
Object Number: 2418511 Size: DEFAULT


10.   Install 2 intake valve springs, cylinder 1
•   Insert valve springs and caps
•   Insert valve keepers in assembly head MKM-6086-100-1 (1)
Important:   Insert valve keepers with taper facing the valve.
– Slide clamping sleeve (2) in direction of lever arm mount
– Insert valve cotters
– Push clamping sleeve towards valve
•   Attach assembly head to lever arm
Object Number: 2410505 Size: DEFAULT


Important:   Check that compressed air is being applied
11.   Install valve keepers
Important:   Assembly head (1) must be vertically above the valve stem. Valve keepers (2) must engage audibly.
•   Carefully push valve springs downwards (arrow)
Important:   Do not make 2nd attempt without checking that both valve keepers are in the assembly head.
•   Check seat of valve keepers (2)
Object Number: 8063856 Size: DEFAULT


12.   Attach removal head MKM-6086-11 to adapter MKM-6086-12 .
13.   Mount adapter (1) on hole (2)
Object Number: 8063878 Size: DEFAULT


14.   Remove 2 valve springs from cylinder 1 exhaust valve
15.   Replace valve stem seal
16.   Attach removal head MKM-6086-100-1 to adapter MKM-6086-12 .
17.   Install 2 valve springs to cylinder 1 exhaust valve
•   Attach assembly head
18.   Attach EN-46783 to cylinder 2
•   Interrupt compressed air feed
•   Remove EN-46782 with injector from cylinder 2
– Unscrew nut
•   Install EN-46782 in cylinder 2
– Insert cylinder 1 with injector
– Tighten nut 20 Nm
•   Apply compressed air to cylinder 2
19.   Remove 2 valve springs from cylinder 1 exhaust valve
•   Attach removal head
20.   Replace valve stem seal
21.   Install 2 valve springs to cylinder 1 exhaust valve
•   Attach assembly head
22.   Reassemble adapter
23.   Remove 2 valve springs from cylinder 2 intake valve
•   Attach removal head
24.   Replace valve stem seal
25.   Install 2 valve springs in cylinder 2 intake valve
•   Attach assembly head
26.   Attach EN-46783 to cylinder 3
•   Interrupt compressed air feed
Important:   Note screw length of blind hole thread
•   Remove EN-46782 with injector from cylinder 1
– Unscrew nut
– Unscrew stud bolts
•   Screw in stay-bolt
•   Install EN-46782 with gasket in cylinder 3
– Insert in cylinder 4 together with injector
– Tighten nut 20 Nm
•   Apply compressed air to cylinder 3
27.   Remove 2 valve springs from cylinder3 intake valve
•   Attach removal head
28.   Replace valve stem seal
29.   Install 2 valve springs in cylinder 3 intake valve
•   Attach assembly head
30.   Reassemble adapter
31.   Remove 2 valve springs from cylinder 3 exhaust valve
•   Attach removal head
32.   Replace valve stem seal
33.   Install 2 valve springs to cylinder 3 exhaust valve
•   Attach assembly head
34.   Attach EN-46783 to cylinder 4
•   Interrupt compressed air feed
•   Remove EN-46782 with injector from cylinder 4
– Unscrew nut
•   Install EN-46782 in 4th cylinder
– Insert cylinder 3 with injector
– Tighten nut 20 Nm
•   Apply compressed air to cylinder 4
35.   Remove 2 valve springs from cylinder 4 exhaust valve
•   Attach removal head
36.   Replace valve stem seal
37.   Install 2 valve springs to cylinder 4 exhaust valve
•   Attach assembly head
38.   Reassemble adapter
39.   Remove 2 valve springs from cylinder 4 intake valve
•   Attach removal head
40.   Replace valve stem seal
41.   Install 2 valve springs in cylinder 4 intake valve
•   Attach assembly head
42.   Remove EN-46783 from cylinder 4
•   Interrupt compressed air feed
•   Remove EN-46782 with injector from cylinder 3
– Unscrew nut
•   Unscrew stud bolts
43.   Remove MKM-6086
•   Unscrew 4 bolts

  Install

44.   Insert 2 camshaft housing centring pins
45.   Install roller cam follower with hydraulic valve lifter LUREF_1.gif
46.   Install camshaft housing

Intake manifold > < Valve Clearance, Adjust (Z 17 DTH, with Air Conditioning, LHD)