Vauxhall Corsa comfort C 1.2 2000-07 timing chain change instructions and replacement inteval. Full guide!
Special tools
- Camshaft locking tool – No.KM-953.
- Camshaft position (CMP) sensor disc setting tool – No.KM-954.
- Crankshaft locking pin – No.KM-952.
- Timing chain tensioner locking pin – No.KM-955-1.
Special precautions
- Disconnect battery earth lead.
- Remove spark plugs to ease turning engine.
- Turn engine in normal direction of rotation (unless otherwise stated).
- DO NOT use special tools listed above to lock engine when slackening sprocket or pulley bolts.
- Observe tightening torques.
- If fitted: Mark position of crankshaft position (CKP) sensor before removal.
- Do NOT turn crankshaft via camshaft or other sprockets.
- Do NOT turn crankshaft or camshaft with timing chain removed.
Valve timing procedures
- Turn crankshaft until just before TDC mark on No.1 cylinder [1] .
- Remove blanking plug from cylinder block.
- Slowly turn crankshaft clockwise until locking pin can be inserted in crankshaft [2] . Tool No.KM-952.
- Insert locking tool in rear of camshafts [3] . Tool No.KM-953.
- Install camshaft position (CMP) sensor disc setting tool [4] . Tool No.KM-954.
- Remove blanking plug from timing chain front cover [5] .
- Compress timing chain tensioner and lock with tool [6] . Tool No.KM-955-1.
- If necessary, slacken bolt of each camshaft sprocket to adjust valve timing position [7] .
- Fit new bolts to camshaft sprockets [7] .
- Tighten bolt of each camshaft sprocket as follows [7] :
- Stage 1 – 10 Nm.
- Stage 2 – 50 Nm + 60°.
- Tighten crankshaft pulley bolts to 8 Nm [8] .
- Fit new crankshaft pulley centre bolt.
- Tighten crankshaft pulley centre bolt [9] .
- Astra-H: 150 Nm + 45° + 15°.
- Except Astra-H: 150 Nm + 45°.
- Refit blanking plug for cylinder block. Tightening torque: 50 Nm.
- Refit blanking plug for timing chain front cover [5] . Tightening torque: 50 Nm.