How do you know if your camshaft timing is off?
If the engine timing of the cam is off, your car will either be running rough or not at all. If the ignition timing is the problem, it isn’t as easy to notice because it has four cycles: Intake valve sucks in air while fuel is delivered by the injectors. The fuel mixture is reduced.
What happens if the camshaft timing is off?
If the timing is off, damage can occur. In some engines, called “interference engines,” the consequences can be especially bad. You could end up having to have your engine rebuilt, or even replaced. If your cam timing is off, chances are you’ll know because your car will not be running well, if it’s running at all.
Where are the timing marks on a VW?
Make sure that the camshaft and crankshaft timing marks are aligned. Install the timing belt, with the arrow pointing in the direction of rotation, on the crankshaft sprocket, the water pump sprocket and the camshaft sprocket. Install the lower and center timing belt covers.
Where are the timing marks on the crankshaft?
The mark on the camshaft sprocket should be aligned with the mark on the inner timing belt cover or the edge of the cylinder head. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing.
Where are the timing marks on a 16 valve engine?
Slide the timing belt from the sprockets. Check the alignment of the timing marks. On 16-valve engines, the mark on the tooth should align with the mark on the rear belt cover. Install the new timing belt and tension the belt so it can be twisted 90° at the middle of it’s longest section, between the camshaft and intermediate sprockets.
Where are the timing holes on a VW Polo?
There is a TDC timing locking hole in the big intake sprocket and a locking hole in the exhaust sprocket. These two holes are aligned to the holes in the camshaft carrier at the TDC position. You can use two 8mm bolts to lock the two camshafts in the TDC position.