How do you replace the timing belt on a Porsche 928?
Disconnect the belt tension sensor from the front of the right timing belt cover. Detach the oil dipstick guide from the timing belt cover. Remove both timing belt covers with a socket. The left side should have three bolts. There are two bolts on the right cover — disconnect the tensioner sensor. Lay covers aside with bolts in proper holes.
Where are the timing marks on a timing belt?
(2a) Find the timing marks on the flywheel and cam, and set them both to TDC. (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.
Can a timing belt be replaced with an engine?
1) That interference engine thing again; and 2) Every camshaft and crankshaft on planet Earth is indexed to No. 1 TDC. If you try to remove and replace the timing belt with the engine in any other position, chances are good you’ll throw things out of time.
How do you set ignition timing with no timing marks?
Rotate the engine very slowly back and forth until the screwdriver is at the maximum height. This indicates the number one cylinder is at Top Dead Center or “TDC” on the compression stroke. Locate the number one spark plug wire on distributor cap and make a tic-mark of this position with a marker pen on the distributor housing.
Disconnect the belt tension sensor from the front of the right timing belt cover. Detach the oil dipstick guide from the timing belt cover. Remove both timing belt covers with a socket. The left side should have three bolts. There are two bolts on the right cover — disconnect the tensioner sensor. Lay covers aside with bolts in proper holes.
How do you change the timing belt on a car?
(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.
When to replace timing belt and water pump?
This article applies to the Porsche 928 (1979-1995). Replacing the timing belt and water pump in your 928 is not an easy task. If you are at all hesitant about performing any of these steps, it’s recommended to take your vehicle to your local auto body shop to have the job performed by a professional.
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!