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Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Variable Valve Timing Unit - Checking & Adjusting (Coupe)) >> Engine >> Variable valve timing unit, checking and adjusting (B6XX4T (1999-2001)) >> Tighten the timing belt >> Tension the timing belt as follows:

Tension the timing belt as follows:

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Tensioner Indicator Positions At Varying Temperatures
GLL100856Courtesy of VOLVO CARS OF NORTH AMERICA.

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.

Fig 2: Identifying Variable Valve Timing Unit Camshaft Center Bolt And Screws
GLL148929Courtesy of VOLVO CARS OF NORTH AMERICA.
NOTE:

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

Tighten the screws (2) on the timing gear pulley for the exhaust camshaft to 10 Nm  .

Tighten the screws on the timing gear pulley for the intake camshaft to 20 Nm  .

Remove: 

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