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Carnt find timing chain marks on a 2002 2.0 20v alt engine ive replaced new valves timing belt ect but i carnt find timing chain marks checked in manual ask dealers but no one knows

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Posted on May 27, 2010

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2 Answers

Why is the engine not starting


If the belt broke, and you put a new belt on with everything in the same position, most likely the belt is not correctly installed. The
cam position and crankshaft must be in a exact position, with
marks on both to match a similar mark on the non moving part of the engine. If your engine is an "interference" engine you are
in big trouble with a broken timing belt because valves are bent
not closing and other problems. I hope this is not the case.
Goggle your make year model and timing marks You should be able to find pictures that will show the marks that must line up.
I had a belt off by just one cog and had your problem. Double
check to be sure you have the right timing belt from your supplier. There is a chance someone mixed things up. Do you have spark?

Feb 13, 2015 | Cars & Trucks

1 Answer

Audi a4 alt motor sounds like running on 3 cylinders


Robert your going have to check the oil pressure the oil pumps on these engines tend to let go. What happens the key way that drives the gear strips and at low rpms it doesn't pump oil to the top of the motor but when you rev it the gear spins a little faster that's why it makes less noise you will have to replace the oil pump. As for the missing the hydrolic lifters are no working properly because of the low oil pressure.

Jan 31, 2014 | 2006 Audi A4 2.0

1 Answer

Sounds like its running on 3 cylinders


I have done a bit of research on your engine but I an confused . Do you have a timing belt (rubber)Or a timing chain as you keep jumping from one to the other in your problem description. Audi engines 2.0 ltrs came out with both but obviously there cannot be both in the engine.. . Have a compression test done to check if you missed a bent valve. Check the injector operation as you have not mentioned injectors in your list of items done.

Jan 31, 2014 | Audi A4 Cars & Trucks

1 Answer

I need a picture of the timing marks for Jeep 4.0


Timing the Cam to the Crank

There are several ways to time the cam to the crank. Be sure to check the manual before you install the timing chain or belt.

  • Some timing sprockets are properly timed when the marks face each other.
  • On others, there must be a certain number of chain links between the marks.
  • Sometimes chains have colored links that must be aligned with the marks on the sprockets.
  • Some overhead cams have a mark on the cam gear that lines up with a mark on the cylinder head when the timing mark on the damper is at the TDC mark.
Align the timing marks for the camshaft and crankshaft sprockets before removing the timing belt or chain.

If the old parts are available, carefully compare the new gears or sprockets with the old ones. Check the keyway and timing marks just in case there might have been an error made in manufacturing. Sprockets are sometimes stamped backward. Its much better to find the problem during assembly, rather than waiting until problems show up after reassembly and reinstallation.

Maintaining Valve Timing

During a valve job, it is essential to keep the timing chain or belt in place to maintain correct valve timing. Position the number one cylinder at TDC. Some overhead cam engines use a single long chain for a cam drive. The chain can be wedged against its guides with a tapered block of wood.
the chain tensioner on some ohc engines must be wedged to keep the chain in position during cylinder head removal. courtesy of nissan motors.

Some engines have a lower and upper chain. These engines do not require special attention to wedging the chain. Be sure to look for hidden head bolts and check the repair manual before removing the OHC head.

Dec 07, 2012 | 1989 Jeep Cherokee

1 Answer

I need a diagram of timing chain replacement Thank You


During most engine rebuilds, a completely new timing assembly should be installed. If wear exists on any component, replacement of the entire assembly is necessary. Wear in the chain, gears, or sprockets means a timing lag, which results in poor engine performance.
The timing chain or belt is generally installed with the gears in their correct positions. Before installing a new chain, soak it in oil.
OHC (Overhead Cam) Engines
Some OHC engines use a chain drive; others use a belt drive. Removing the cover on some OHC engines that have timing chains is more difficult, because the cover often fits between the oil pan and the cylinder head. There are special procedures for replacing cam timing components in these engines.
Before a chain repair job, perform a leakage test on non-freewheeling engines to check for bent valves, so that an accurate repair estimate can be made.
OHV (Overhead Valve) Pushrod Engines
On many OHV pushrod engines, the crankshaft sprocket is installed on the crankshaft nose and the crankshaft is rotated to position piston #1 at TDC. At this point, a mark stamped onto the crankshaft sprocket is pointing directly upward (toward the camshaft).
The camshaft sprocket is then temporarily bolted to the cam and used to rotate the cam until a mark stamped on the cam sprocket is pointing directly downward (toward the crankshaft). The sprocket is then removed from the cam (without allowing the cam to rotate).
The timing chain is looped over the cam gear, the mark on the cam gear is positioned directly downward, and the chain is looped around the crankshaft sprocket. When the cam sprocket is attached to the cam, the timing marks on the crank and cam sprockets should be pointing toward one another. NOTE THIS IS FOR 2WD 4.0

May 22, 2010 | 2005 Nissan Pathfinder

3 Answers

Is it a timing belt on olds intrigue 2000, 3,5L?


this engine uses a timing chain, chains require no replacement unless the engine is being repaired or the chain or spockets fail

Mar 26, 2010 | 2000 Oldsmobile Intrigue

3 Answers

Installed new timing chain but car wont start


What the last person said with the additional comment that being even one tooth off can cause it to run bad or not start. I prefer making marks on the gears and chain or belt- whichever you have and transferring the marks by teeth counting to the new belt or chain- fool proof. Did you rotate either the camshaft or crankshaft with the timing chain removed? If your engine is not a zero interference engine than you may have damaged the internal parts. Even on some zero interference engines, you can damage the camshaft by rotating it backwards. Your timing is just plain off or you may have damaged the engine. Sorry, don't know if your is a zero interference or not- I think most are not. I know my Miata is and my Eclipse was not. If it is not a zero interference engine and your marks are way off on your timing- just go ahead and save up at least the money for a new head and send it to mechanic. If it is a zero, and your marks look on- see if the interpretation of the mark could possibly be 1 tooth over on either the cam or crank. Make you go blind staring at it that intently and u can make mistakes.

May 12, 2009 | Infiniti G35 Cars & Trucks

1 Answer

2001 chrysler concord 2.7 liter timing set


I have a similar problem. I just replaced the water pump and now the POS wont start. Like it is not getting fuel>

Aug 04, 2008 | Chrysler Sebring Cars & Trucks

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