Question about 1993 Volvo 960
I am atechnician called to assemble a volvo v-6 engine of the above model.i have not managed to do the right timing the engine even after several attempts please assist.
Get the no.1 piston up on TDC on compression stroke, find where the no.1 lead attaches to the distributor cap, mark the side of the distributor if it is not already marked.
When you are ready to put the distributor into the hole of the inlet manifold put the rotor button on the top of the shaft and make sure it seats right down, you will notice that it turns when putting it in, the centre of the rotor button has a line in the middle of it which should line up with the mark on the body of the distributor, make sure the distributor body is facing in the direction it was facing before you removed it, this should get the motor to run so long as the rockers have been adjusted properly, use a timing light to time the motor
Posted on May 10, 2009
Odonda: you may have inherited a can of worms: I'll do my best to help.
First, this is an interference fit engine. If the timing is off and the engine has been turned over, the upper end is "SCRAP"!
Ready? On each cam gear, is a line or scribe machined at the very outer edge of the gear. If you look at the back half of the timing cover there should be a portion which projects down toward the bottom of the engine. It will drop about an inch or so down before ending and just leveling out and running parallel to the top. Look closely, there are notches cut into the bottom corners. If you rotate the cams until the notches line up with the scribe marks, the scribe mark as you face the cams will be at 2.30 PM and the scribe to your right will be at 10:30 AM (hopefully the alignment marks on the cover had not been broken off.
Below, there is a mark on the oil pump housing which needs to be lined up with the timing mark on the crank.
I am making the assumption that your statement of being a technician should give way to your being aware of the pitfalls of rotating the cam gears and/or crank without extreme caution. There is a procedure to position the crank in order to set the cams and then go back to set the crank. Also the tensioner must be compressed to where you can pin it. The tension on the belt can be confirmed by taking the belt between thumb and forefinger at the longest span on the tensioner side. You should not be able to twist the belt more than 45 degrees.
As I said, A mistake on this engine can be a costly one. If you are not familiar with it and are not confident, swallow your pride, shine the job on rather than risk eating the consequences.
Posted on May 10, 2009
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Posted on Jan 02, 2017
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