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Replacing timing chain on a 02 jaguar x-type 2.5 engine.. need proper procedure on replacing timing chains

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Timing chains procedure for 2002 Jaguar X-type 2,5 liters engine, engine code XB

1. Special tools:
1.1. Crankshaft pulley installer - Jaguar No. 303-102/335/2.
1.2. Crankshaft pulley puller - Jaguar No. 303-D121.
1.3. Crankshaft vibration damper holder/wrench strap - Jaguar No. 303-D055.

2. General precautions:
2.1. Disconnect battery earth lead.
2.2. Remove spark plugs to ease turning engine.
2.3. Turn engine in normal direction of rotation.
2.4. Observe tightening torques.
2.5. If fitted: Mark position of crankshaft position (CKP) sensor before removal.
2.6. Do NOT turn crankshaft via camshaft or others sprockets.
2.7. Do NOT turn crankshaft or camshaft with timing chain removed.

replacing timing chain on a - f4ed8e9.png
3. Valve timing procedures:
3.1. Removal:
3.1.1. Removal / installation of timing chain requires:
3.1.2. Engine removal.
3.1.3. Sump removal.
Note: Refer to Technical Data module for tightening torques.
3.1.4. Ensure crankshaft sprocket keyway at 7 o'clock position [1].
3.1.5. Ensure timing mark on RH inlet camshaft sprocket at 1 o'clock [3].
3.1.6. Ensure timing mark on RH exhaust camshaft sprocket at 8 o'clock [2].
3.1.7. Remove:
3.1.7.1. RH chain tensioner [4] , RH tensioner rail, RH chain guide and RH chain.
3.1.8. Turn crankshaft clockwise until crankshaft keyway at 11 o'clock position [5].
3.1.9. Ensure timing mark on LH inlet camshaft sprocket at 9 o'clock [6].
3.1.10. Ensure timing mark on LH exhaust camshaft sprocket at 2 o'clock [7].

Note: Coloured links may not be aligned.

3.1.11. Remove:
3.1.11.1. LH chain tensioner [8] , LH tensioner rail, LH chain guide and LH chain.


3.2. Installation:
3.2.1. Remove bearing caps of each RH camshaft.
3.2.2. Rotate RH inlet camshaft until timing mark at 5 o'clock position [9].
3.2.3. Rotate RH exhaust camshaft until timing mark at 12 o'clock position [10].
3.2.4. Tighten bearing caps of each RH camshaft.
3.2.5. Ensure crankshaft sprocket keyway at 11 o'clock position [5].
3.2.6. Fit crankshaft sprocket for LH chain.
3.2.7. Fit LH chain. Align coloured chain links with timing mark on each sprocket [6], [7] & [11].
3.2.8. Fit LH chain guides.
3.2.9. Release LH tensioner ratchet [12].
3.2.10. Compress tensioner plunger [13].
3.2.11. Retain in position with wire clip [14].
3.2.12. Install tensioner assembly [8].
3.2.13. Remove wire clip [14].
3.2.14. Turn crankshaft clockwise 120 degrees until crankshaft keyway at 3 o'clock position [15].
3.2.15. Fit crankshaft sprocket for RH chain.
3.2.16. Fit RH chain. Align coloured chain links with timing mark on each sprocket [9], [10] & [16].
3.2.17. Fit RH chain guides.
3.2.18. Release RH tensioner ratchet [17].
3.2.19. Compress tensioner plunger [18].
3.2.20. Retain in position with wire clip [19].
3.2.21. Install tensioner assembly [4].
3.2.22. Remove wire clip [19].
3.2.23. Ensure timing marks aligned [9], [10], [16], [20] & [21].
3.2.24. Crankshaft pulley bolt MUST only be used once.
3.2.25. Tighten crankshaft pulley bolt to 120 Nm. Slacken 360 degrees. Tighten to 50 Nm + 90 degrees [22].































Posted on Jun 12, 2010

  • TDISLine
    TDISLine Jun 12, 2010

    If you need a bigger timing chains diagram picture, send me please your e-mail address, because www.fixya.com website has only 150 kb limited traffic. I will send you quickly!


  • TDISLine
    TDISLine Jun 14, 2010

    If you need a bigger timing chains diagram picture, send me please your e-mail address, because www.fixya.com website has only 150 kb limited traffic. I will send you quickly!

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Jaguar 2000-06 Repair Guide - 2.5L Engine

Both; you have the accessory belt...

7a640db.jpg

Fig. Accessory drive belt routing-X-Type with 2.5L and 3.0L engines


144f326.jpg

Fig. Correct installation position for timing chain-2.5L and 3.0L

For more details, you can visit autozone.com (free register).

I hope help you with this. Good luck (remember rated this help).

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Thank you for adding your comment
Bill ASE Master Technician

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