Volvo Timing Belt repair for 6-cylinder engines
 |
| S80
(-06), 2000, B6284T, 4T65EV-GT, L.H.D, YV1TS90D3Y1135424, 135424 |
| 20/10/2015 | Print |
| |
| Replacing the timing
belt | | Special tools: 999 5433 999 5456 | | Note! Since the illustrations in this service information
are used for different model years and/or models, some variation may occur.
However, the essential information in the illustrations is always correct. | | | | | Caution! Remove the ignition
key. Remove -
the screw holding the engine stabiliser brace to the
bracket on the engine -
the screws holding the engine stabiliser brace to the
suspension turrets -
the engine stabiliser brace. Applies only to B6xx4T engines: Remove the plastic pipes between the turbocharger (TC) and
charge air cooler (CAC) and between the air cleaner (ACL) and turbocharger (TC).
Put them to one side. Remove the clamp from the intake manifold for the
turbocharger (TC) for cylinders 1, 2 and 3. Turn the upper section of the pipe
towards the bulkhead. | | | | | | Relieve the load from the belt tensioner. Remove the
auxiliaries belt. Remove the upper timing belt cover. Remove the front timing belt cover. For cars with chassis numbers 203779-, see Timing
cover front, replacing . Lift up the servo reservoir and place it on top of the
engine. Note! Ensure that the power steering oil does not leak from
the breather hole in the filler cap. Seal the hose between the expansion tank and the radiator.
Disconnect the hose at the tank. Lift up the expansion tank and place it on top of engine. | | | | | | Raise the car. Install the upper timing belt cover. Turn the crankshaft clockwise until the markings on the
crankshaft and camshaft pulleys correspond. Turn the crankshaft a further 1/4 turn clockwise. Then turn back counter-clockwise until the markings
correspond. Remove the upper timing belt cover. | | | | | | Remove the 4 vibration damper screws. Counterhold the
crankshaft central nut. Spray universal oil or similar around the rubber sleeve on
the underside of the oil pump. Remove the rubber sleeve. | | | | | | Slacken off the belt tensioner Slacken off the centre screw for the belt tensioner
slightly. Hold the centre screw still. Turn the tensioner eccentric counter-clockwise using a 6 mm Allen key. Turn to 10 o'clock. Unhook and remove the timing belt. Note! The component can be reused unless it has been
subjected to abnormal mechanical stress, damage or oil contamination. Caution! The crankshaft or
camshafts must not be rotated while the timing belt is removed. | | | Checking the tensioner pulley and
idler pulley | | Check bearing wear: Spin the idler pulley and listen for noise. If replacing
with a new idler pulley, tighten to 24 Nm. Spin the tension pulley and listen for noise. When
replacing, screw the tension pulley into place using the centre screw. Screw in the centre screw by hand. Ensure that the tensioner fork is centred over the
cylinder block rib / bracket. Ensure that the Allen hole on the eccentric is at
"10 o'clock". | | Installing the timing
belt | | Installing the timing
belt | | | | | Note! The component can be reused unless it has been
subjected to abnormal mechanical stress, damage or oil contamination. Note! The variable valve timing unit on B6304S does
not have a return spring. The unit is easily dislodged when reinstalling the
timing belt. | | | Tensioning the timing
belt | | | | | This adjustment is done with a cold engine. Suitable
temperature is approximately 20 ° C/ 68 ° F. At a higher temperature, for example with a warm engine or
a higher ambient temperature, the needle is farther to the right. The illustration shows the position of the indicator when
aligning the timing belt tensioner at different temperatures. | | | Carefully turn the crankshaft clockwise until the timing
belt is tensioned. The belt must be in tension between the intake camshaft
pulley, the idler pulley and the crankshaft. Hold the belt tensioner centre screw secure. Turn the belt
tensioner eccentric clockwise until the tensioner indicator passes the
marked position. Then turn the eccentric back so that the indicator reaches
the marked position in the centre of the window. Hold the eccentric secure. Tighten the centre screw to 25 Nm. Check that the indicator is in the correct position. | | | | | Press the belt to check that the indicator on the
tensioner moves easily. Install the upper timing belt cover. Turn the crankshaft 2 turns. Check that the markings on
the crankshaft and camshaft pulley correspond. Check that the indicator on the belt tensioner is within
the marked area. | | | | | | Install the auxiliaries belt around the pulley on the
crankshaft. Install -
the rubber sleeve on the underside of the oil pump -
the vibration damper. Use new screws. Tighten to 35 Nm. Angle-tighten 50°. Use the crankshaft centre nut as a
counterhold -
the plastic nuts for the cover in the right-hand wing
liner -
the right front wheel. See Installing wheels . | | | | | | -
the front timing belt cover. For cars with chassis numbers 203779-, see Timing
cover front, replacing:Installing the front timing cover . Tension the auxiliaries belt. Applies only to B6xx4T engines: Twist the intake pipe for the turbocharger for cylinders
1, 2 and 3 into position. Tighten the clamp. Install the plastic hoses between the turbocharger (TC)
and the charge air cooler and between the air cleaner (ACL) and the turbocharger
(TC). Tighten the hose clamps. | | | |
