Need Help! Replaced Timing Belt 98 neon DOHC

7 messages, Last post on May 30, 2009 at 7:31 PM

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#6 of 7 Re: Need Help! Replaced Timing Belt 98 neon DOHC [jacalac] by wandr_28752 May 30, 2009 (4:30 am)
Replying to: jacalac (Sep 07, 2008 2:09 pm) I am having trouble also with a 98 Neon timing belt.I replaced the water pump, and timing belt at 124.000 miles.The old belt was a napa, so I suspect it has been replaced before.I took my time,and replaced the belt making sure both marks (cam,and crank) lined up perfectly.when I removed the old belt, I noticed the timing mark on the crank was two teeth to the right of tdc with the cam aligned.The car had NO uphill power ,thus the reason for changing my belt.I figured it had jumped timing.I lined both marks up , double checked alignment,rotated the motor 4 times (2 full revolutions)turned the cam back to check for any slack in the belt. there was none. reassembled, test drove, runs great, plenty of power, but now setting trouble code:p1390,timing belt off 1 tooth or more ! these motors are zero clearance ,so I wonder how it would even run if a tooth off.being that it runs and drives fine, I am hesitant to pull it down again, I have put roughly 30 miles on the car since, with no problem, except the code/light. I have had one tech say these motors were susposed to be one tooth to the right ! But there are NO updates,or notes added to any service manuaI have seen. Any suggestions? I'm tempted to just drive it. but worried as it's my only transportation. Replies to this message: hellcat1988 (May 30, 2009 7:31 pm)
#7 of 7 Re: Need Help! Replaced Timing Belt 98 neon DOHC [wandr_28752] by hellcat1988 May 30, 2009 (7:31 pm)
Replying to: wandr_28752 (May 30, 2009 4:30 am) My suggestion would be to have your cam and crank sensors checked. If you know that the timing belt is perfectly tdc and aren't going to try the mechanic's suggestion, then that's about the only route you have to try to get rid of the code.

#6 of 7: Re: Need Help! Replaced Timing Belt 98 neon DOHC [jacalac] by wandr_28752; May 30, 2009 (4:30 am)

Replying to: jacalac (Sep 07, 2008 2:09 pm)

I am having trouble also with a 98 Neon timing belt.I replaced the water pump, and timing belt at 124.000 miles.The old belt was a napa, so I suspect it has been replaced before.I took my time,and replaced the belt making sure both marks (cam,and crank) lined up perfectly.when I removed the old belt, I noticed the timing mark on the crank was two teeth to the right of tdc with the cam aligned.The car had NO uphill power ,thus the reason for changing my belt.I figured it had jumped timing.I lined both marks up , double checked alignment,rotated the motor 4 times (2 full revolutions)turned the cam back to check for any slack in the belt. there was none. reassembled, test drove, runs great, plenty of power, but now setting trouble code:p1390,timing belt off 1 tooth or more ! these motors are zero clearance ,so I wonder how it would even run if a tooth off.being that it runs and drives fine, I am hesitant to pull it down again, I have put roughly 30 miles on the car since, with no problem, except the code/light. I have had one tech say these motors were susposed to be one tooth to the right ! But there are NO updates,or notes added to any service manuaI have seen. Any suggestions? I'm tempted to just drive it. but worried as it's my only transportation.

hellcat1988 (May 30, 2009 7:31 pm)

#7 of 7: Re: Need Help! Replaced Timing Belt 98 neon DOHC [wandr_28752] by hellcat1988; May 30, 2009 (7:31 pm)

Replying to: wandr_28752 (May 30, 2009 4:30 am)

My suggestion would be to have your cam and crank sensors checked. If you know that the timing belt is perfectly tdc and aren't going to try the mechanic's suggestion, then that's about the only route you have to try to get rid of the code.