Tensioner Index Page I Tensioner Installation
Mechanical V6
Cambelt Tensioner
Adjustment
Mechanical V6
Cambelt Tensioner
Adjustment
New style, Non oil-fed, V6 Timing Belt TensionerIMPORTANT NOTE
This new style tensioner has a temperature sensitive clutching device. It is important that it is only adjusted on a cold engine and when the workshop's ambient air temperature is between 15 and 35 degrees Centigrade (59 and 96 degrees Fahrenheit).
1. With engine cold and positioned at top dead centre (TDC), loosen both tensioner retaining nuts. Use a 3/8 square drive inserted into the lift square (see diagram) of the tensioner and rotate the assembly counter-clockwise (into the drive belt) until a resistance is felt.
CAUTION: Do not use excessive force. Torque applied to the lift square must be at least 15 Nm (11 foot pounds) but no greater than 24 Nm (18 foot pounds). Too much force may damage the clutching mechanism.
2. Holding the tensioner in this position, lock down the tensioner by tightening the adjustment nut to approximately 20 Nm (15 foot pounds).
3. With tensioner set in this way, rotate the engine clockwise at least four crankshaft revolutions, to seat the belt.
4. On the last revolution, line up the top dead centre (TDC) marks.
CAUTION: Do not back up the engine at any time. If you accidentally pass TDC, keep going and bring it around again. Do not back up.
5. After performing steps 3 and 4, hold the tensioner with the 3/8 drive in the lift square. Loosen the adjusting nut and very slowly, let the tensioner back off, until the position indicator pointer (see diagram) is lined up with the nominal reference mark.
CAUTION: Do not let the tensioner back off past the nominal mark or you will have to repeat the entire procedure from the beginning.
6. Tighten the adjustment nut and the tensioner pivot nut to 27 Nm (20 foot pounds).
7. Rotate the engine several more complete revolutions in a clockwise direction. Line up TDC just as you did in step #4. Verify that the position indicator pointer is still lined up with the nominal reference mark. Note: The position indicator pointer will only line up with the nominal reference mark when the engine is exactly on TDC and when the engine is cold.
