Replacement Interval Guide
- Vauxhall recommend replacement every 48,000 miles or 5 years.
- The previous use and service history of the vehicle must always be taken into account.
Check For Engine Damage
CAUTION: This engine has been identified as an INTERFERENCE engine in which the possibility of valve-to-piston damage in the event of a timing belt failure is MOST LIKELY to occur. A compression check of all cylinders should be performed before removing the cylinder head.
Repair Times – hrs
Remove & install | 3,40 |
Special Tools
- Crankshaft locking pin – Kent Moore No.6031.
- Injection pump sprocket locking tool – Kent Moore No.6032.
- Engine support – Kent Moore No.6210.
Special Precautions
- Disconnect battery earth lead.
- DO NOT turn crankshaft or camshaft when timing belt removed.
- Remove glow plugs to ease turning engine.
- Turn engine in normal direction of rotation (unless otherwise stated).
- DO NOT turn engine via camshaft or other sprockets.
- Observe all tightening torques.
- Check diesel injection pump timing after belt replacement.
Removal
NOTE: If timing belt has failed, it is possible that the camshaft sprocket key has been damaged which would cause incorrect valve timing.
NOTE: No.1 cylinder is at flywheel end.
- Raise and support vehicle.
- Remove:
- Engine undershield.
- Air filter housing.
- Unclip fuel feed pipe from RH engine mounting. Move to one side.
- Support engine. Tool No.6210.
- Remove:
- RH engine mounting and bracket.
- Auxiliary drive belt.
NOTE: Auxiliary drive belt(s), tensioner pulley and guide pulley(s) MUST be replaced.
- Bolt from cylinder block [1] .
- Turn crankshaft clockwise until camshaft sprocket timing mark aligned with mark on timing belt cover [2] .
- Fit crankshaft locking pin [3] . Tool No.6031.
- Rock crankshaft slightly to ensure locking pin located correctly.
- Ensure marks on belt aligned with marks on sprockets [8] & [9] .
- Remove crankshaft locking pin.
- Fit suitable flywheel locking tool.
- Remove:
- Crankshaft pulley bolt [4] .
- Crankshaft pulley [5] .
- Timing belt covers [6] .
- Flywheel locking tool.
- Fit injection pump sprocket locking tool. Tool No.6032.
- Slacken tensioner nut to release tension on belt [7] .
- Remove timing belt.
Installation
NOTE: Timing belt, tensioner pulley and guide pulleys MUST be replaced.
- Rock crankshaft slightly to ensure locking pin located correctly [3] .
- Observe direction of rotation marks on belt [10] .
- Fit timing belt. Ensure marks on belt aligned with marks on sprockets [8] & [9] . Ensure belt is taut between sprockets.
- Remove locking tool from injection pump sprocket.
- Remove crankshaft locking pin [3] .
- Turn tensioner pulley anti-clockwise until marks aligned [A] & [B] . Use 6 mm Allen key. Tighten tensioner nut [7] . Tightening torque: 20 Nm.
- Turn crankshaft two turns clockwise to TDC on No.1 cylinder.
- Insert crankshaft locking pin [3] .
- Ensure marks on belt aligned with marks on sprockets [8] & [9] .
- Ensure tensioner pulley marks aligned [A] & [B] . If not: Repeat tensioning procedure.
- Remove crankshaft locking pin [3] .
- Install components in reverse order of removal.
- Fit new crankshaft pulley bolt [4] . Tightening torque: 20 Nm + 115°.