ar0510d7601b

Replacing timing chain

Type ar · topic 05.10 · version 0101 · 1999-10-01

Applies to: ENGINE 602.984 in MODEL 667, 668, 670 ENGINE 602.985 in MODEL 668, 670

Where it sits

Function group 1 Engine › 05 Engine timing › 05.10 Timing chain drive, toothed belt drive — Series 602 (models 984, 985) · Series 667 · Series 668 · Series 670

EinPAS 15 Engine › 15.17 Engine timing › 15.17.34 Chain drive/toothed belt/gearwheel drive — Series 602 (models 984, 985) · Series 667 · Series 668 · Series 670

AR05.10-D-7601B

Replacing timing chain

7.12.96

ENGINE 602.984 in MODEL 667, 668, 670

ENGINE 602.985 in MODEL 668, 670

Replacing timing chain

D05.10-0015-06

1 Chain tensioner

2 Old timing chain

3 New timing chain

4 Assembly link
Not suitable for engine running

Removing, installing

1

Remove chain tensioner (1)

Engine 602.984

AR05.10-L-7800A

Engine 602.985

AR05.10-L-7800B

2

Remove radiator unit with front end

AR20.20-D-3870A

3

Remove viscous fan clutch

AR20.40-D-5660B

4

Remove cylinder head cover

AR01.20-D-5014B

5

Separate timing chain and rivet

It is essential to remove the assembly link (4). It is only an assembly aid and is not suitable for engine running.

AR05.10-D-7601-03A

*602589009800

*602589023300

*602589046300

*602589046301

*602589003900

*602589026300

*602589036300

*602589014000

*602589024000

6

Inspect camshaft sprocket

For scores and pitting, if necessary

replace camshaft sprocket

7

Install in the reverse order

Replacing timing chain
Replacing timing chain
Replacing timing chain
Replacing timing chain

602 589 04 63 00

602 589 04 63 01

602 589 00 98 00

602 589 02 33 00

Thrust shaft

Chain separating tool

Case

Thrust pins

Replacing timing chain
Replacing timing chain
Replacing timing chain
Replacing timing chain

602 589 03 63 00

602 589 00 39 00

602 589 02 63 00

Thrust piece

Assembly inserts

Riveting tool

602 589 01 40 00

Retaining device

Replacing timing chain

602 589 02 40 00

Assembly links

Referenced documents