Special tools
- Camshaft alignment tool – No.JLR-303-1600.
- Crankshaft pulley alignment tool – No.JLR-303-1594.
- Crankshaft position (CKP) sensor alignment tool – No.303-1390A.
- Flywheel locking tool – No.JLR-303-1595.
Special 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.
Removal
- Turn crankshaft clockwise until tooth gap on crankshaft pulley positioned as shown [1] . Install crankshaft pulley alignment tool [2] .
- Install camshaft alignment tool [3] .
- If necessary, turn camshafts slightly in clockwise direction using spanner on hexagon, until camshaft alignment tool can be fitted.
- Mark position of crankshaft position (CKP) sensor to crankshaft pulley before removal [4] . Remove crankshaft position (CKP) sensor [5] .
- Install flywheel locking tool [6] . Remove crankshaft pulley. Remove timing chain cover.
- Lock timing chain tensioner in retracted position [7] :
- Compress tensioner plunger [8] .
- Insert a suitable pin into tensioner body to lock tensioner plunger in position [9] .
- Remove timing chain tensioner [7] .
- Remove tensioner rail and chain guide [10] & [11] .
- Slacken bolt of each camshaft sprocket [12] .
NOTE: Hold camshafts with spanner on hexagon.
- Remove timing chain.
Installation
NOTE: If camshaft sprocket removed ensure new friction washers are fitted behind sprocket.
- Install timing chain.
- Install tensioner rail and chain guide [10] & [11] .
- Install timing chain tensioner [7] .
- Remove pin to release timing chain tensioner plunger [9] .
- Tighten bolt of each camshaft sprocket [12] . Tightening torque: 72 Nm.
NOTE: Hold camshafts with spanner on hexagon.
- Install timing chain cover. Install crankshaft pulley.
- Align crankshaft position (CKP) sensor as follows:
- Install crankshaft position (CKP) sensor [5] .
- Install crankshaft position (CKP) sensor alignment tool [13] .
- Adjust position of crankshaft position (CKP) sensor until marked tooth is positioned as shown [14] .
- Tighten crankshaft position (CKP) sensor bolts. Tightening torque: 7 Nm.
- Install crankshaft pulley alignment tool [2] .
- Ensure camshaft alignment tool correctly fitted [3] .
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