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Lissa Humphres Posted on Mar 22, 2019
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Changed timing belt on 99 sebring &still can't get it 2 start?was told that it may have jumped time.. is there a manual or guide 2 help me 2 fix that on my own?

  • Arnie Burke
    Arnie Burke Mar 24, 2019

    Buy a haynes book or library has chilton

×

1 Answer

Dan Hooper

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  • Cars & Trucks Master 4,523 Answers
  • Posted on Mar 22, 2019
Dan Hooper
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If your engine jumped time and is an interference engine, that means that if the valve is open when the piston comes to the top of its stroke, it will hit and bend the valve. Your best bet is to do a compression check on each cylinder. If you have low compression on any of them, you will need to have the head removed and have a machine shop install new valves and surface or replace the valve seats.

5 Related Answers

Anonymous

  • 8 Answers
  • Posted on Jul 13, 2008

SOURCE: 99 ford ranger timing belt


Using the same 13mm socket, remove the bolt that you found under the a/c compressor. Look down and to the right of the bolt that you just removed, and you will see two more bolts. Both are 13mm. Easiest way that I found was to go under the driver side tire well, and use 3/8 extensions to reach the two bolts. Once removed, the bracket and the power steering pump should be moved to the driver's side of the frame, and the a/c placed on top of the p/s assy.




Remove the bolts (6mm) that hold the timing belt cover in place. Gently work your way around the cover, and push the tabs in to remove the cover.


Use an impact wrench and 7/8 SAE socket to remove the crankshaft pulley. A SOCKET WRENCH WILL NOT WORK. Once removed, gently tap the pulley with a 2x4 (yes the wooden board) to remove. If you have a gear puller, use that. I don't own one.




Remove the old belt. Now for the alignment. Crank - sprocket on bottom. Use the bolt you removed, and a ½ drive wrench, with the 7/8 socket to turn the crank. Once the keyway is at high noon, leave it alone. Next, move the oil pulley sprocket until the diamonds are aligned. This should put the oil pulley at high noon, also. The camshaft should have a diamond and a triangle. The diamond should go to high noon, and the triangle should align with a triangle on the plastic behind the sprocket. YOU SHOULD REALLY CONSIDER CLEANING THE ENTIRE AREA BEFORE ALIGNING THE SPROCKETS. You cannot align the camshaft without locating the two index (triangle and diamond) marks.


You will also notice a tensioner for the timing belt. You will need to loosen the tentioner with a 13mm and 17mm wrenches. Loosen, then use a cheeter bar bar to move the tentioner over. Lock in place by tightening the tentioner bolts. Place the belt on the crankshaft, move to the oil pulley, then to the cam pulley. Release tentioner, then check the alignment. If correct, reverse the above removal plan, and you should be good.




Don't buy the Haynes manual. I fought with the instructions for this project, and the picture for the timing belt project doesn't show the two indexes for the cam sprocket.



Also, while you are doing this, you should replace the antifreeze if you haven't in the past two years.



Best of luck.

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Nick Doukas

  • 99 Answers
  • Posted on Aug 08, 2008

SOURCE: jumped timing?

It really does sound like the timing went out of whack. The timing belt should be replaced periodically, according to your owner's manual. It may have worn and stretched just enough to slip over a cog a bit. Remove the timing belt covers and check the alignment of your cam and crank. There should be subtle marks on the cogs and the rear cover or casting. The compression will be good during a cranking test, but will not be ok during a running compression check. Replace the timing belt and check the pulleys. If your timing belt did not slip, the timing chain tensioner or guide shoes may be worn and will require replacement.

Anonymous

  • 85 Answers
  • Posted on Feb 27, 2010

SOURCE: timing marks and aligning timing belt

the marks for th cams are on the tin stuff behind the gears study it for a bit and nyoull see them the mark for the crank pully is on the case onthe bottom of the crank pully just of to one side

Mike

  • 4383 Answers
  • Posted on Nov 01, 2010

SOURCE: "JUMPED' time. Fixed. when started back up, it

This sounds like a low voltage issue. Check the system voltage while running, need 13.8 to 14.6 or so. Have the battery terminals cleaned and load test the battery. If the battery voltage drops too low during startup, that can cause the clock to loose it's time.

mike t.

  • 257 Answers
  • Posted on Jun 03, 2015

SOURCE: I have changed the timing belt on a 99 Dodge Stratus with a 2.4 liter engine. All timing marks are aligned properly according to Haynes diagram and the engine will still not start. It tries to start

if it ran good before, you must not have the belt on properly. its easy to get it wrong.

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P0344 is your cam sensor, try to replace it and see if that fixes the problem. If not check the timing to make sure it didn't jump one tooth off. When the guide pulley or water pump start to fail they start to cause tension and pull on the components. The timing belt, guide pully and water pump should be changed every 75,000 miles on that 3.5L. If it jumpes 4 or more teeth or if the belt snaps this will bend your valves and or destroy your engine.
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Hmmmm...are you sure when you changed the timing belt that all the timing marks were ligned up correctly?

Did you check to make sure you had no damaged valves?

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

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Advance auto parts or just about any parts store that carries Haynes manuals can fix you up for about 15 bucks. Lee
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G
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It really does sound like the timing went out of whack. The timing belt should be replaced periodically, according to your owner's manual. It may have worn and stretched just enough to slip over a cog a bit. Remove the timing belt covers and check the alignment of your cam and crank. There should be subtle marks on the cogs and the rear cover or casting. The compression will be good during a cranking test, but will not be ok during a running compression check. Replace the timing belt and check the pulleys. If your timing belt did not slip, the timing chain tensioner or guide shoes may be worn and will require replacement.
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