The Jeep Liberty is a compact sport utility vehicle that Chrysler has manufactured under its Jeep marque since 2002. The Liberty CRD models were available for 2005 and 2006, and have a four-cylinder 2.8-litre turbo diesel engine that uses a common rail fuel injection system. The timing belt synchronises the movement of the camshaft and crankshaft. The timing belt in a Jeep Liberty CRD requires replacement at regular intervals, usually at least 60,000 miles.
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Things you need
- Socket wrench set
- Special tool VM 9660
- Special tool VM 9660
- Special tool VM 1085
- Torque wrench set
Disconnect the cable on the negative battery terminal with a socket wrench, and remove the engine cover. Remove the cooling fan and clutch assembly. Detach the accessory drive belt and remove the vibration damper from the engine.
Turn the crankshaft clockwise to bring the witness line on the hub of the crankshaft to the 12 o-clock position. Turn the crankshaft clockwise by 90 degrees to move the witness line to the 3 o-clock position. Disconnect the alternator with a socket wrench.
Disconnect the intake and exhaust camshaft plugs from the cover of the camshaft with a socket wrench to expose the alignment pins. Remove the outer cover for the timing belt. Turn the timing belt tensioner clockwise with special tool VM 9660 to loosen the timing belt and detach the timing belt. Remove the alignment pins from the crankshaft and loosen the camshaft gears with special tool VM 1085.
Install the alignment pins for the camshaft temporarily while you install the timing belt. Turn the gear for the fuel injection pump clockwise to align the timing mark on the gear with the timing mark on the inner cover of the timing belt.
Install the new timing belt onto the crankshaft hub. Place the timing belt onto the fuel injection pump gear, left idler pulley, intake camshaft gear, exhaust camshaft gear, right idler pulley, and water pump gear in that order.
Turn the timing belt tensioner clockwise with special tool VM 9660 to align the centre notch on the tensioner with the dowel pin on the aluminium cover. Tighten the retaining bolt for the timing belt tensioner to 20ft. lbs. with a torque wrench.
Place special tool VM 1085 between the camshaft gears. Tighten the thumb screws to hold the camshaft gears in place, and tighten the bolts for the camshaft gears to 80ft. lbs. Remove special tool VM 1085 and the alignment pins from the camshaft.
Turn the crankshaft clockwise by two complete turns to bring the witness mark on the crankshaft hub to the 3 o-clock position. Replace the outer cover for the timing belt with a socket wrench. Connect the camshaft plugs, vibration damper, alternator and cooling fan assembly. Attach the accessory drive belt and replace the engine cover. Connect the cable for the negative battery terminal.
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