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Minicooper

This document provides detailed instructions for replacing the timing chain in a 2002 Mini Cooper (R50) L4-1.6L (W10). It outlines the special tools required, the steps for disassembly and reassembly, and important installation notes to ensure proper alignment of the camshaft and crankshaft gears. Caution is advised to prevent the timing chain from dropping into the timing case during the process.

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55 views4 pages

Minicooper

This document provides detailed instructions for replacing the timing chain in a 2002 Mini Cooper (R50) L4-1.6L (W10). It outlines the special tools required, the steps for disassembly and reassembly, and important installation notes to ensure proper alignment of the camshaft and crankshaft gears. Caution is advised to prevent the timing chain from dropping into the timing case during the process.

Uploaded by

notificaciones.bbb
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
You are on page 1/ 4

2002 Mini Cooper (R50) L4-1.6L (W10) Copyright © 2013, ALLDATA 10.

52SS Page 1

Timing Chain: Service and Repair


Replacing Timing Chain
Special Tools Required:
^ 11 2 000
^ 11 8 250
^ 11 8 300
^ 11 8 370

Unscrew all spark plugs.

Remove cylinder head cover.

Remove pulse generator on camshaft.

Remove hydraulic chain tensioner.

Remove timing chain cover.

Remove left engine mounting.

Fit special tool 11 8 370 on cylinder block (1) and engine mounting (2).

Release camshaft retaining bolt (1) and hold camshaft gear with special tool 11 8 250.

Unscrew plugs (2).

Unscrew retaining bolt for camshaft gear, then remove gear from timing chain.

Remove camshaft gear from timing chain.


2002 Mini Cooper (R50) L4-1.6L (W10) Copyright © 2013, ALLDATA 10.52SS Page 2

Caution!

Protect timing chain to prevent it from dropping into timing case.

Unscrew retaining bolts (1) of chain guides and remove both guides (2).

Installation note:

If the timing chain is replaced, the camshaft gear and crankshaft gear must also be replaced.

Remove crankshaft gear using special tool 11 8 300 together with 11 2 000.

Installation note:

Shrink fit gear (1) to crankshaft.

Check correct position of locating pin (2).

Use a hotplate to heat crankshaft gear to a maximum temperature of 150°C.

Caution: Do not exceed specified temperature!

Install timing chain.

Install clamping rail and guide rail (2).

Install retaining screws (1) of chain guides


.
Guide and tensioning rail to cylinder head
M8 .............................................................................................................................................................................................................. 28 Nm
2002 Mini Cooper (R50) L4-1.6L (W10) Copyright © 2013, ALLDATA 10.52SS Page 3

Place timing chain on camshaft gear.

Fit camshaft gear onto camshaft.

Fit central bolt for camshaft gear.

Camshaft gear to camshaft


M12 .......................................................................................................................................................................................................... 102 Nm

Installation note:

Triangular adjustment mark (1) on camshaft gear must be aligned with copper-colored timing chain links (2).
2002 Mini Cooper (R50) L4-1.6L (W10) Copyright © 2013, ALLDATA 10.52SS Page 4

Installation note:

The two triangular adjustment marks (1) on crankshaft gear must be aligned with copper-colored timing chain links (2).

1. Camshaft adjustment mark lines up with colored chain link.


2. Camshaft gear.
3. Left timing chain guide.
4. Right timing chain guide.
5. Tensioning device for timing chain.
6. Crankshaft gear.
7. Chain.
8. Crankshaft adjustment mark lines up with the two colored chain links.

Assemble engine.

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