I bought a 2000 sportage that the timing belt broke and had set there for awhile. I installed a new timing belt and pulleys.The compression on each cyl was 140 psi.It makig a noise and running rought at idle and runs fine at higher rpm.
I have the same problem, My timing belt broke and the valves bent. I took it to an auto machanic and they put new valves and everything in it. When I got it back it ran really good, but now it runs real rough at idle. when I'm out on the road it seens to be fine but when I go to stop it almost stalls out.I have the same problem, My timing belt broke and the valves bent. I took it to an auto machanic and they put new valves and everything in it. When I got it back it ran really good, but now it runs real rough at idle. when I'm out on the road it seens to be fine but when I go to stop it almost stalls out.
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Rough idle / stall at idle Check for vacume leaks & split intake tube or loose clamps on intake. Noise put spot of grease on drive belts if noise goes you may need new belts or a tighten up.
Try this. Is could be because the old belt was slipping and has polished the pulleys or "glazed" them. So before
you replace that noisy belt scrub all of the pulleys well with a scotch
brite pad, or a good wire brush to remove the glaze and rough up the
surface. Clean them off with brake cleaner afterward. Belts work by
friction so if the surface is polished too much the belt will slip, Or try adjusting the belt TENSION will correct the problem. If this does not correct the problem you can try removing the belt altogether, and "reversing" it, and then reinstalling and properly adjusting the tension. Hope This helps.
Although a KIA manual will state that this is an interference engine, it is not. I know because I have replaced a shredded timing belt on my used 2000 Sportage to take it home and it ran great. Just recently, the timing idler pulley bolt broke while I was driving causing the belt to come off. I replaced the tensioner pulley and drilled out and re-tapped the idler bolt hole and installed the new idler and the belt (it was only 2 months old at the time) and it runs great again. THESE ARE NOT INTERFERENCE ENGINES!!!! you don't have to tear down the top end of the engine to inspect for any damage and it is very simple to install a timing belt on this motor as long as it is done properly.
You should seed a idler pulley..on the front you will see a nut that holds pulley on use a 10 mm rench the there's a 10 mm ajuster bolt lose this till belt fits left lose right tight.. after belt is tight then tighten nut in front of pulley.. if belt Sq weeks tighten some more..
ok this is easy but get a friend to help. i assume that because you know the tensioner broke that u've gotten everything out of the way on the timing belt.
in the bottom pulley you will see a notch and a little indicator line on the block line those up.
next line the "E" on the right pulley up to the small marker in the top of the backing plate. if you need me to clear this up just ask
then align the "I" on the other pulley to that mark above it and slap on your new belt and your good to go.
Crankshaft match marks 
Fig. Checking ignition timing 
I have the same problem, My timing belt broke and the valves bent. I took it to an auto machanic and they put new valves and everything in it. When I got it back it ran really good, but now it runs real rough at idle. when I'm out on the road it seens to be fine but when I go to stop it almost stalls out.
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