Replacement Interval Guide
- Land Rover recommend replacement every 72,000 miles or 6 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(s).
Repair Times – hrs
Remove & install | 4,50 |
Special Tools
- Crankshaft pulley holding tool – Land Rover No.LRT-12-161.
- Crankshaft pulley holding tool handle – Land Rover No.LRT-12-199.
- Locking tools for camshafts – Land Rover No.LRT-12-196.
- Alignment plate for camshaft sprockets – Land Rover No.LRT-12-175.
- Camshaft sprocket holding tool – Land Rover No.LRT-12-195.
- Camshaft alignment pins – Land Rover No.LRT-12-198.
- Camshaft aligning tool – Land Rover No.LRT-12-197.
- Timing pin – Land Rover No.LRT-12-232.
Special Precautions
- Disconnect battery earth lead.
- DO NOT turn crankshaft or camshaft when timing belt removed.
- Remove spark 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.
Front Timing Belt
Removal
- Raise and support front of vehicle.
- Remove:
- Engine undershield.
- RH front wheel.
- RH splash guard.
- Drain engine oil.
- Support engine.
- Remove:
- Engine top cover.
- RH engine mounting bracket.
- Auxiliary drive belt.
- Auxiliary drive belt tensioner.
- Auxiliary drive belt guide pulley.
- Alternator.
- LH rear timing belt cover [1] .
- Turn crankshaft clockwise to ‘SAFE’ position. Ensure timing marks aligned [2] .
- Ensure timing marks on camshaft rear sprockets aligned [3] .
- Insert timing pin into hole in crankcase to lock flywheel [25] . Tool No.LRT-12-232.NOTE: Hole for timing pin [25] is at front of engine closest to the cylinder block.
- Remove:
- PAS pump pulley.
- PAS pump. DO NOT disconnect hoses.
- Engine stabiliser bar.
- Timing belt covers [4] & [5] .
- Dipstick.
- Dipstick tube.
NOTE: Remove securing bolt. Depress dipstick tube locking collar and pull dipstick tube upwards.
- Hold crankshaft pulley. Use tool Nos.LRT-12-161 & LRT-12-199.
- Slacken crankshaft pulley bolt [6] .
- Remove:
- Crankshaft pulley bolt [6] .
- Crankshaft pulley [7] .
- Timing belt lower cover [8] .
- AC compressor heat shield.
- AC compressor. DO NOT disconnect hoses.
- AC compressor bracket.
- Alternator bracket.
- Engine lifting bracket.
- Engine front mounting plate [9] .
- Rubber plug from around automatic tensioner unit.
- Turn tensioner pulley away from belt. Use Allen key [10] .
- Slowly compress pushrod into tensioner body until holes aligned [17] . Retain pushrod with 1,5 mm diameter pin through hole in tensioner body.NOTE: DO NOT slacken tensioner pulley bolt.
- Remove:
- Automatic tensioner unit bolts [11] .
- Automatic tensioner unit [12] .
- Mark direction of rotation on belt with chalk if belt is to be reused.
- Remove timing belt.RH: NOTE: If cylinder heads are removed, water pump replaced, new camshaft sprockets fitted or if belt has been in use for more than 48,000 miles a new belt must be fitted.LH: NOTE: If cylinder heads are removed, water pump replaced, new camshaft sprockets fitted or if belt has been in use for more than 80.000 km a new belt must be fitted.
- Remove front oil seals from exhaust camshafts [13] .
- Lock camshaft sprockets [14] . Use tool No.LRT-12-196.
- Ensure tools located correctly on end of exhaust camshafts [15] .
- Remove bolts from camshaft sprockets [16] . DO NOT reuse bolts.WARNING: Damage to camshafts may occur if locking tools are not installed when slackening or tightening camshaft sprocket bolts.
- Remove:
- Locking tools [14] .
- Camshaft sprockets with hubs.
Installation
NOTE: If using a new automatic tensioner unit and tensioner pulley, the installation procedure is different. Refer to main dealer.
- Thoroughly clean camshaft sprockets and hubs.
- Install hubs to camshaft sprockets. Then install both assemblies to camshafts.
- Fit new bolts [16] . Tighten finger tight.
- Ensure camshaft sprockets can turn freely without tilting.
- Temporarily fit timing belt to camshaft sprockets.
- Install locking tools to camshaft sprockets [14] . Tool No.LRT-12-196.
- Ensure tools located correctly on end of exhaust camshafts [15] .
- Turn camshaft sprockets fully clockwise as viewed from front of engine.
- Ensure timing pin located correctly [25] .
- Ensure timing marks on camshaft rear sprockets aligned [3] .
- Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. Ensure belt is taut between sprockets.
- Use suitable wedge to hold belt in position at crankshaft sprocket.NOTE: Turn each camshaft sprocket anti-clockwise just enough to allow belt teeth to engage in sprocket.
- Turn tensioner pulley against belt. Use Allen key [10] .
- Install automatic tensioner unit [12] . Tighten bolts [11] . Tightening torque: 25 Nm. Use new bolts.
- Remove Allen key from tensioner pulley [10] .
- Remove pin from tensioner body to release pushrod [17] .
- Fit rubber plug to automatic tensioner unit.
- Tighten camshaft sprocket bolts [16] . Tightening torque: 27 Nm + 90°.
- Remove locking tools from camshaft sprockets [14] .
- Remove any wedges used to hold belt in position.
- Remove timing pin [25] .
- Install new oil seals on exhaust camshafts [13] .
- Turn crankshaft slowly two turns clockwise. Ensure timing marks aligned [3] .
- Ensure timing pin can be inserted easily [25] .
- Remove timing pin [25] .
- Install components in reverse order of removal.
- Tighten crankshaft pulley bolt [6] . Tightening torque: 160 Nm.
- Tighten sump plug. Tightening torque: 25 Nm.
- Refill engine oil. Capacity: 5,2 litres (includes filter).
- Tighten wheel nuts. Tightening torque: 115 Nm.
Rear Timing Belts
Removal
NOTE: The following instructions apply to both RH and LH rear timing belts. Removal and installation should only be carried out on ONE timing belt at a time.
- Raise and support front of vehicle.
- Remove:
- Engine upper cover.
- Engine undershield.
- RH front wheel.
- RH splash guard.
- Timing belt rear cover [1] .
- Inlet manifold.
- Turn crankshaft clockwise to ‘SAFE’ position. Ensure timing marks aligned [2] .
- Ensure timing marks on camshaft rear sprockets aligned [3] .
- Remove and discard front oil seal from exhaust camshaft of cylinder bank being worked on (i.e. RH or LH bank) [13] .
- Fit alignment plate to camshaft rear sprockets [18] . Tool No.LRT-12-175.
- Remove bolts [19] .
- Remove camshaft sprockets, timing belt and alignment plate as an assembly [20] .
- Remove:
- Alignment plate [18] .
- Timing belt.
RH: NOTE: Mark direction of rotation on belt with chalk if belt is to be reused. If belt has been in use for more than 48,000 miles: Fit new belt.
LH: NOTE: Mark direction of rotation on belt with chalk if belt is to be reused. If belt has been in use for more than 80.000 km: Fit new belt.
Installation
- Thoroughly clean camshaft sprockets.
- Place sprockets on a flat surface.
- Ensure timing marks on camshaft sprockets aligned [3] . Ensure lugs pointing towards each other [21] .
- Fit timing belt to sprockets. Ensure timing marks aligned [3] .
- Fit special tool between sprockets [22] . Tool No.LRT-12-195.
- Turn centre screw to separate sprockets until alignment plate can be fitted to camshaft sprockets [18] . Tool No.LRT-12-175.
- Remove special tool [22] . Tool No.LRT-12-195.
- Install alignment pins to camshafts [23] . Tool No.LRT-12-198.
- Ensure timing marks aligned [2] .
- Install camshaft sprockets, timing belt and alignment plate as an assembly [20] .
- Fit aligning tool to exhaust camshaft [24] . Tool No.LRT-12-197.
- Turn exhaust camshaft and align locating slots to sprockets. Use 30 mm socket and tool No.LRT-12-197.
- Remove alignment pins [23] . Tool No.LRT-12-198.
- Tighten camshaft sprocket bolts [19] . Tightening torque: 27 Nm + 90°. Use new bolts.
- Remove alignment plate [18] . Tool No.LRT-12-175.
- Remove aligning tool [24] . Tool No.LRT-12-197.
- Fit new oil seal [13] .
- Turn crankshaft two turns clockwise. Ensure timing marks aligned [2] & [3] .
- Install components in reverse order of removal.
- Tighten wheel nuts. Tightening torque: 115 Nm.