Where do I twist the timing belt at TDC?
Check that the camshaft sprocket is also at TDC as previously described. 16 Grasp the belt between thumb and forefinger at a point midway between the crankshaft and camshaft sprocket on the straight side of the belt. When the tension is correct it should just be possible to twist the belt through 90° at this point.
How is timing belt aligned with camshaft sprocket?
4.10b . . . and camshaft sprocket timing mark aligned with TDC mark on cylinder head 11 Engage the timing belt with the teeth of the crankshaft sprocket and then pull the belt vertically upright on its right-hand run. Keep it taut and engage it with the teeth of the camshaft sprocket.
How do you change the timing belt on a car?
(5) Loosen the cylinder head cover bolts (B) and then remove the cover (A) and gasket. Remove the camshaft sprocket. (1) Hold the portion (A) of the camshaft with a hexagonal wrench, and remove the bolt (C) with a wrench (B) and remove the camshaft sprocket.
Where is the timing mark on a camshaft?
Turn the crankshaft pulley, and align its groove with timing mark “T” of the timing belt cover. Check that the timing mark of camshaft sprocket is aligned with the timing mark of cylinder head cover. (No.1 cylinder compression TDC position) Remove the crankshaft pulley bolt and crankshaft pulley (A).
Where to find the TDC mark on a timing belt?
(2b) The flywheel pulley TDC mark is accessible through a hole in the bellhousing. (2c) The camshaft TDC is easy to find — especially if you add white paint as we did. We cannot stress this enough: Be careful!
4.10b . . . and camshaft sprocket timing mark aligned with TDC mark on cylinder head 11 Engage the timing belt with the teeth of the crankshaft sprocket and then pull the belt vertically upright on its right-hand run. Keep it taut and engage it with the teeth of the camshaft sprocket.
What does the timing belt do on an OHC engine?
The timing belt (or chain) is the sole component that keeps the camshaft (make that camshafts on a DOHC or V-type OHC engine) and crankshaft in sync.
(5) Release any belt tension by freeing up the belt tensioner pulley. (6) Slip the new belt into place without disturbing the cam or crank pulleys, or the engine will be out of time. Check by slowly rotating the crank two full turns with a socket on the crank snout.