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Trying to find out where marks need to be to time a 1.6 liter 16 valve engine . replacing belt

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There is One mark on the crankshaft pulley that needs to point almost straight down (line up mark on pulley with notch on the bottom of rear timing belt plastic cover piece). Both cam sprockets will have a notch stamped into them. these need to be pointing exactly at each other. I believe the rear cam is the intake on these engines and the front is the exhaust. When the notch is at the 3 oclock position on the intake cam, the exhaust cam needs to be at the 9 oclock position (the marks will almost touch each other). Make sure you rotate the engine over using a breaker bas on the crank pulley bolt and double (even triple check) the marks and make sure they stay lined up! This is an interference engine and if you're not lined up, get ready to put a new cylinder head on it. Also be sure to rotate the water pump pulley and line up its marks to keep the belt tensioned.

Posted on Sep 14, 2009

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Como coloco la banda de distribuicion de un jetta 95 2.0 automatico


Check this procedure...

zjlimited_2001.jpg

Fig. Adjusting the belt tension on a 2.0L 8 valve

  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. 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.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets.
To install:
  1. 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.
  2. 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.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.
Hope helps.

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I would recommend changing the water pump while you are at it.

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Here's the process:

http://ww2.justanswer.com/uploads/fordguy4u/2010-03-24_182013_A1.pdf

http://ww2.justanswer.com/uploads/fordguy4u/2010-03-24_182035_A2.pdf

Best wishes

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  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. 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.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets.

To install:
  1. 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.
  2. 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.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.

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1 Answer

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  2. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  3. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. 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.
  4. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  5. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  6. Slide the timing belt from the sprockets.

To install:
  1. 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.
  2. 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.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.

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2.0L (9A, ABA) Engines
  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. 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.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets
6f72092.jpg

Fig. Adjusting the belt tension on a 2.0L 8 valve

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Fig. Remove the timing belt cover


3736abf.jpg

Fig. Align the timing marks


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Fig. Locate the tensioner


6b4ae08.jpg

Fig. Loosen the tensioner bolt


2b51324.jpg

Fig. Mark the belts direction of rotation


To install:
  1. 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.
  2. 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.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.

continue...

Sep 14, 2009 | 1995 Volkswagen Passat

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