I hate to beat the "timing belt" thread to death. - Kia Forum
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#1 (permalink) Old 04-17-2010, 01:33 PM
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Default I hate to beat the "timing belt" thread to death.

I am one to search and search again until I post a questions and I know there is a lot of threads about a broken timing belt but I can seem to find anything on my situation so here I go. I will be as detailed as possible.

2001 Kia Sportage 4dr 2.0 engine 100K miles

Wife is driving on the interstate, suddenly dies. Automatically I know what it is (yup I should have thought about it 40K ago)

Tow vehicle, belt is intact at the cam pullys but the crank the teeth are worn off so I am thinking well maybe this isnt too bad. Possibly the belt held the valves and didnt do much damage.

I call Kia to see if it is an interference engine or not, they say it is. They said begining in 2000 everything was an interference engine.

I pull off old belt and install new belt per alldata instructions at this point I am a little worried that I may be off one lobe of the intake and exhaust cam but I install it and put everything back together.

I take a compression test and the #'s are as follows from the radiator to the firewall...145-175-145-175 when doing the compression test there is these few things I would like to point out. I am using a decent not the best compression gage. I only pulled one plug at a time so basically there was 3 plugs installed during the test of all 4 cylinders. I let it spin about 5-6 revolutions and never did give it any gas (throttle)

I get it all put back together and start it up. The engine seems to run great but there is a little ticking like a lifter under the hood. I am thinking that maybe from manually spinning it that I just need to take it for a drive. The ticking is still there but the vehicle runs great. No lag accellerates perfectly and purrs (except for the ticking)

Now my question: Is this really an interference engine or not? Could I possibly be one lobe off the pullys causing the ticking? Is the compression out of wack because of the way I checked it?
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#2 (permalink) Old 04-17-2010, 03:25 PM
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To compression test you should warm the engine up, remove all spark plugs, have a fully charged battery, disable ignition, attach compression gauge, fully open throttle and crank engine until gauge gives highest reading. As far as I know I think your year {AL model }was still non interference engine , changed in around 2005 I think with{ KM model}. But even in a non interference engine you can still get damage when a belt fails [ very sudden stoppage of valve gear etc puts a lot of strain on the valvegear.]. Try rechecking the compression and see if the readings are any better. You may have to remove the valve cover and check to see if you can spot any obvious damage to the valvetrain that might cause the ticking[ broken spring or anything like that].. But as the car is running ok I think the readings might be ok.

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Last edited by pulsar86; 04-17-2010 at 03:55 PM.
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#3 (permalink) Old 04-17-2010, 04:45 PM
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Surprisingly the car seems to be running better that the breakage. Im sure it has a lot to do with the new plugs though. Is there the possibility that I am one notch off on the timing belt?
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#4 (permalink) Old 04-17-2010, 05:59 PM
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It might be worth checking the belt again, the ticking might be compression pushing past a valve maybe. I think the engine in you car would be the Mazda derived FE DOHC one as far as I know although some sources you read say that some Sportages had the Hyundai BETA engine as early as your model but I don't think that is correct. [ this is where the confusion comes from.]. After 2005 it was the BETA II [G4Gc same as Cerato/ Spectra. 1975cc interference] I had a look on www.kiatechinfo.com and by the capacity of 1998cc and other info directly stating it your year was the definately FEdohc engine , non interference..

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Last edited by pulsar86; 04-17-2010 at 06:08 PM. Reason: added extra info
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#5 (permalink) Old 04-17-2010, 06:31 PM
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If this helps anything or explains anything due to pure ignorance as I was aligning everything I must have spun each pully and shaft totally out of sync with each other not thinking that the piston may hit the valves. I never did have any problems spinning all shafts completely around so maybe it really isnt an interference engine after all.
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#6 (permalink) Old 04-17-2010, 11:12 PM
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As I said if it is the Mazda derived FE DOHC engine which it should be according to KIA tech info it is non interference. Go to www.kiatechinfo.com you can register for free and view a online manual for your car in the shop section, go to the general engine specification section and read that, that is where I checked the info to make sure. You can also view the specs for the 2005+ models and you will see when the interference type G4GC Beta II engine came in.

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#7 (permalink) Old 04-18-2010, 08:20 AM
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I feel better knowing with about 99.999% confidence that it is not a interference engine but I am still concerned with the ticking. Could this be indicative of one of the cams being a notch off?
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#8 (permalink) Old 04-18-2010, 01:19 PM
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For what it's worth, I had my 2002's break at 105k (neglected it, same story as you), but it broke literally as I was coasting (I have a manual trans) to a gas pump, so it was idling and not fully revving going down the interstate. I replaced the belt and had ZERO issues, so based on my own experiences, it is a non-interference. Please take that with a grain of salt because I feel I lucked out by it breaking while it was just idling versus revving at 3k rpm's, but like I said, mine was replaced and I had no issues whatsoever. I have 118k currently and still no issues. Hope that helped.

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#9 (permalink) Old 04-18-2010, 01:23 PM
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Originally Posted by RICHRICH26 View Post
I feel better knowing with about 99.999% confidence that it is not a interference engine but I am still concerned with the ticking. Could this be indicative of one of the cams being a notch off?
Most likely not. If that happens it will just run like crap but not tick or anything. On a scale of 1-10, how loud would you say it is? I am just curious if it indeed sounds like a valve or if it might be something odd like your cam button slapping against the timing cover casting. I would pop the timing cover off again and look on the inside of it for any marks/etc that would indicate something hitting it. That is my best guess.

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#10 (permalink) Old 04-18-2010, 05:41 PM
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It isnt an extremely loud tick but it does follow the rpm's and never really quiets down. To give an example of how loud you cant really hear it at 2000-3000 rpm because the whoosh of the engine is louder. I guess I am really concerned that I have the timing belt on correctly as this is the first vehicle I ever did. It almost seems like it is extremely easy to be off one rib on the belt.
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