Question about 2002 Kia Optima

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2002 kia optima, dohc, belt not broken but slipped. cams will not stay on marks springs one way or the other. all other marks in line.

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You have to lock the two cam gears together while holding them in the right position. a special tool is used but you could make a small wedge out of wood to jamn in between the two gears, that will lock them together

Posted on May 29, 2010


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04 Kia optima... I replaced broken timing belt and the engine turns over but doesn't start

Did you make sure the belt was installed with the timing marks lined up properly? If you forgot to look at the timing marks it will not start and you may damage the engine trying to start it.

Feb 17, 2015 | 2004 Kia Optima

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Why can't I get the timing belt to stay on my 85 Nissan 300ZX?

If the timing belt is immediately slipping off when you attempt to start the vehicle, that means that there is a camshaft problem, most likely the shaft bearings or clogged oil channels. If the belt stays on for a time then slips off, that means that the belt may be distorted, deformed, or otherwise defective.

Jun 24, 2014 | 1985 Nissan 300ZX

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Hi I need to replace the camshaft seal on a 2002 KIA optima 2.4liter 4 cylinder. Do you happen to have instructions on that? I would appreciate the help. Thank you

You need to be pretty skilled to do this job. First you need a diagram of all the timing marks for the front of the engine. You start disconnecting the battery. Remove serpentine belt and tensioner. Remove any brackets or mounts then the front engine covers. With a socket rotate the crankshaft pulley to TDC. Un tension the timing belt and remove. With a cam holder tool loosen the cam pulley retaining bolt. Remove the pulley and seal. Clean the pulley and cam surface and install the new seal. Line up all the marks and reinstall the timing belt. Rotate the engine and recheck the timing marks. Reassemble.

May 26, 2014 | Cars & Trucks

1 Answer

Yes i got a 2004 kia optima 2.4 L OHC how does timing marks line up on cams and crank replecing timing belt THANKS

I just did the timing belts on my 04' kia optima back in late november. I'm including a link that shows the timing diagram. First things first, to make it easiest, get all the timing marks lined up BEFORE you take off the belt. This is very important. You'll have to use a large socket wrench on the crankshaft to turn it manually until the marks line up (helps to have a second set of eyes for this).
As far as how to find the marks, for the camshafts up top, you're looking for a little V shaped nub on the casing. Should be directly above each camshaft sprocket. Then look for a notch in the camshaft sprocket. Line those up, and most of the rest should fall into place.
You will still need to check other marks. On the oil pump sprocket (just to the right of the crackshaft), there will be a V shaped notch on the sprocket and a V shaped mark on the engine housing. Verify they line up. Look for the same kind of marks on the crankshaft (which should be lined up anyway if the cams are lined up properly) and don't forget the balance shaft belt (seperate belt behind the crank sprocket that goes up to the left) which will also have similar marks. As a side note, my balance shaft belt was completely stripped, so I had to manually turn it until it lined up.
Once everything is lined up, you can remove the belt by removing the belt tensioner.
When you proceed to put the new belt on, you will notice that the two cam shafts have both lost their alignment slightly. They will have both turned in by one or two sprocket teeth. Unless you have a special tool, this is where the old belt comes in handy (as was my case). You will also need a second person.
Cut the old belt so it is one long strip. Your friend needs to have two large screw drivers ready (take this next advice with a grain of salt, much consideration and good judgement on your part). Start by having the new belt ready to be put on the the sprockets (your balance shaft belt should already be on as well). You should have a cotter pin or something holding the tensioner open so that when you're ready, you can pull the pin out and be ready. Using the old belt to pull the camshaft sprockets into proper position, have your friend use a screwdriver to hold them each in place (this is somewhat difficult, so like I said, have the new belt in a ready position to be quickly put on). Once your friend is holding them, start putting the belt on. Once the belt is in position release the tensioner.
Next, CHECK all of the timing marks to ensure that they're all still lined up. I say this, because my friend and I had to do this step twice to correct for an alignment issue we had with the oil pump.
If everything lines up, then you are ready to start putting it all back together. Good luck to you, and like I said, take the screwdriver and camshaft part with a grain of salt. It's what we did and it worked, but it's definitely not the recommended way to go about it.

Here's the link to a page on the website that relates specifically to your issue and has diagrams. It's what I used and it helped tremendously!

Feb 18, 2011 | 2004 Kia Optima

1 Answer

Sounds like broke timing belt but timing belt is not broke i have the v 6 dohc motor

What or how does it sound like a broken timing belt? Is the engine knocking? If the belt is not broken, it might have slipped and the timing may now be off, enough to cause the sounds you're hearing.

Sep 22, 2010 | 2002 Kia Optima

1 Answer

How i put my new timing belt in a kia optima 2.4 2005, how?

Bring cylinder # 1 up to top dead center! on the compression stroke.
Remove all of the timing cover from the engine and any other components that may be in the way.
Look for the timing marks on the upper cam gear!
Look for the marks on the lower crankshaft gear as well.
Look in a repair manual for the correct position of the marks of the gears as to where they line up with a notch, a dot,ect.
Make sure # 1 piston is at tdc on the compression stroke.
loosen the belt tensioner,and pry it over in the loosened position.Check the bearing in the belt tensioner,if it feels dry or rough replace it. Replace the belt in the reverse order.Follow repair procedure on belt tension.

Sep 10, 2010 | 2002 Kia Optima

1 Answer

Need to know timing and where timing marks need to be putting new timing belt and crank sensor in a 2002 kia optima 4 cylender engine

you shoud aligin from mark opn the timig gear and mark on the crank(ther is a bolted port on the exhoust side.)

Jul 23, 2010 | 2002 Kia Optima

4 Answers

I just replaced the timing belt on a 2002 kia optima. got it back together and after it warmed up it started running like the idle was going up and down. it would not hold steady, could the exhaust cam be...

Check for cracks or holes in the rubber hoses attached to the top of the engine. Get your hands dirty and feel along each hose for a bump, crack, **** and make sure each hose is tightly fitting on each end (pull on each end). If you find no holes and no hoses falling off then also check the large hose from the air filter to the throttle body to make sure it's on properly and clamps are tightened with a screwdriver. Also, did you replace the timing belt tensioner when you replaced the timing belt?

Mar 22, 2010 | 2002 Kia Optima

1 Answer

Change belts on 2002 kia optima

Not sure what engine you have , but I had an 02 rio with the 1.5 L . The serpentine belt did not have a tensioner (spring loaded) pulley , the belt tightness was adjusted by pivoting the alternator mount.
If you are takling about the Timing belt , the tensioner pulley wont move (even though it is on a spring ) untill you loosen the bolt in the center.

Nov 09, 2009 | 2002 Kia Optima

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