Variable Valve Timing Unit - Checking and Adjusting: Adjustments Volvo V70 II рестайлинг

Adjust the belt tensioner

Note. This adjustment is done on a cold engine. A suitable temperature is approximately 20° C/68° F.

At higher temperatures (with the engine at operating temperature or a high outside temperatures for example) the indicator is further to the right. The illustration shows the position of the indicator when aligning the timing belt tensioner at different engine temperatures.

Scheme 503

Fix the belt tensioner center screw in position and turn the belt tensioner eccentric counterclockwise until the tensioner indicator passes the marked position.

Then turn the eccentric back so that the indicator reaches the marked position in relation to actual temperature.

At the same time, ensure that the center screw remains fixed. At 20° C/68° F, the indicator should be centered in the window.

If the indicator is not in the right position, the adjustment must be repeated.

Note. The variable valve timing unit must not be released from the limit position until after the timing gear pulleys have been tightened.

1. tighten the screws (2) on the timing gear pulley for the intake camshaft to 10 Nm
2. install the screw missing on the exhaust timing belt pulley
3. tighten the screws on the timing gear pulley for the exhaust camshaft to 20 Nm .

1. the camshaft adjustment tools «9995452»(ref-403953-S02369714572011061000000)
2. the crankshaft stop «9995451»(ref-403953-S26663901482011061000000) .

Install the plug with a new sealing washer. Tighten to 40 Nm .

Scheme 504

1. press the belt to check that the indicator on the tensioner moves easily
2. install the upper timing belt cover
3. turn the crankshaft 2 rotations; check that the markings on the crankshaft and timing gear pulleys align
4. check that the indicator on the belt tensioner is within the marked area.

Installing the crankshaft adjustment tool

Remove the mounting screws for the starter motor.

Pull out the starter motor and place it to one side.

Remove the blind cover plug from the hole for the adjustment tool.

Turn the crankshaft clockwise slightly.

Install: 9995451 . Ensure that the tool bottoms out against the cylinder block.