Special tools
- Camshaft alignment tool – No.T10252.
- Camshaft adjuster socket – No.40080.
- Chain tensioner retaining tool – No.T10092.
- Chain tensioner locking pin – No.T10115.
- Two-pin wrench – No.T10020.
General precautions
- Disconnect battery earth lead.
- Remove spark plugs to ease turning engine.
- Turn engine in normal direction of rotation (unless otherwise stated).
- 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
- Engine at TDC on No.1 cylinder [1] .
- Ensure timing mark on timing belt camshaft sprocket aligned with mark on timing belt rear cover [2] .
- Ensure indents on camshafts positioned as shown [3] .
- Install camshaft alignment tool [4] .
- Slacken exhaust camshaft adjuster bolt.
NOTE: There are two types of tensioner.
- Tensioner – type A:
- Compress timing chain tensioner and lock with retaining tool and M5 nut [5] .
- Remove timing chain tensioner bolt [6] .
NOTE: DO NOT overtighten chain tensioner retaining tool as damage may occur.
- Tensioner – type B:
- Compress timing chain tensioner and lock with locking pin [7] .
- Remove exhaust camshaft adjuster and chain.
- Ensure engine at TDC on No.1 cylinder [1] .
- Ensure camshaft alignment tool correctly located [4] .
- Fit camshaft adjuster and chain. Use new bolt.
- Ensure exhaust camshaft adjuster locating pin aligned with notch on camshaft [8] & [9] .
- If not, repeat installation procedures.
- Tighten bolt of exhaust camshaft adjuster. Tightening torque: 20 Nm + 45°.
- Release tensioner after timing chain installation:
- Tensioner – type A:
- Install timing chain tensioner bolt [6] . Tightening torque: 10 Nm.
- Remove chain tensioner retaining tool and M5 nut [5] .
- Tensioner – type B:
- Remove locking pin [7] .
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