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Won't start after timing belt and head gasket replaced

 
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Old 07 Sep 2015, 03:54 pm
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Default Won't start after timing belt and head gasket replaced

I used the many useful threads on this forum to accomplish this job. It was a lot easier than expected. It's a 2001 with manual transmission and whipple supercharger. I replaced head gasket, every gasket I came across that came in the head gasket set for the engine. I replaced the timing belt, water pump, and tensioner pulley. I got the camshaft marks lined up(both pulleys were pointing up) crankshaft pulley was lined up to trailing edge of tooth. I put it all back together and now it won't start. I know that I should have tried it before putting it back together, but I didn't. I don't want to remover supercharger again and it really limits the available room to remover the engine mount bracket, but I rotated the crankshaft clockwise and was able to view the mark by lifting up the bottom of the timing cover next to the crankshaft pulley, it's still good. the camshaft pulleys still line up perfectly also. Before I started the job, the engine would still crank and run weakly. I've put new gas in the tank. Car went down in November of last year, so 10 months without being started. Any advice on getting this car running again?
New plugs/wires/ignition coil before the head gasket went out. Cylinder head was taken to machine shop and pressure tested and ground down flat before it was put back on. No CEL when trying to start after it was put back together.
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Old 07 Sep 2015, 04:41 pm
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Default Re: Won't start after timing belt and head gasket replaced

I would suggest the checking the camshaft sensor wire plug did not get switched with the coil plug. Many members have made this mistake after replacing an head gasket.

Is your battery fully charged?

Did you do a compression check on each cylinder after installing the new head?

Are you getting spark from each cylinder?

Are you getting fuel? Have you tried putting some starting fluid in the throttle body to see if it starts to run?

Have you made sure all vacuum lines are hooked up?

Is there 12 volts coming from the ignition switch to the starter?
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Last edited by ptcruisersteve; 07 Sep 2015 at 05:02 pm.
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Old 07 Sep 2015, 04:59 pm
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Default Re: Won't start after timing belt and head gasket replaced

Quote:
Originally Posted by ptcruisersteve View Post
I would suggest the checking the camshaft sensor wire connector did not get switched with another one.
this. cam and coil IIRC
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Old 07 Sep 2015, 05:04 pm
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Default Re: Won't start after timing belt and head gasket replaced

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Originally Posted by rob342 View Post
this. cam and coil IIRC
Rob, I just remembered it was the coil and was updating my post when you posted. Thanks

Last edited by ptcruisersteve; 07 Sep 2015 at 07:42 pm.
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Old 07 Sep 2015, 05:45 pm
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Default Re: Won't start after timing belt and head gasket replaced

Quote:
Originally Posted by ptcruisersteve View Post
I would suggest the checking the camshaft sensor wire plug did not get switched with the coil plug. Many members have made this mistake after replacing an head gasket.

Is your battery fully charged?

Did you do a compression check on each cylinder after installing the new head?

Are you getting spark from each cylinder?

Are you getting fuel? Have you tried putting some starting fluid in the throttle body to see if it starts to run?

Have you made sure all vacuum lines are hooked up?

Is there 12 volts coming from the ignition switch to the starter?
I had battery hooked up to truck to jump start if necessary, battery appears to be strong, had it charging for the past week or so while doing the work. No compression test done, I assumed (always a mistake) that it would be getting spark, because everything was new and working prior to head gasket failure. I think all vacuum lines are hooked up, it looked the same in the after picture as it did in the before. Haven't done any electrical testing. Starter fluid did make it sound like at least one cylinder had combustion, but did not run.
If the camshaft sensor is incorrect, do you guys mean it may be switched with the ignition coilpack wiring? Just want to make sure before I try switching anything around.
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Old 07 Sep 2015, 06:10 pm
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Default Re: Won't start after timing belt and head gasket replaced

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Originally Posted by blackSCpt View Post
If the camshaft sensor is incorrect, do you guys mean it may be switched with the ignition coilpack wiring?
yes.

very common mistake. see here: did timing belt water pump and head gasket

Last edited by rob342; 07 Sep 2015 at 06:13 pm.
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Old 07 Sep 2015, 10:12 pm
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Default Re: Won't start after timing belt and head gasket replaced

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Originally Posted by blackSCpt View Post
I got the camshaft marks lined up(both pulleys were pointing up) crankshaft pulley was lined up to trailing edge of tooth.
What do you mean by both pulleys were pointing up? if you mean the timing marks on the pulleys, they don't point up when properly aligned.
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Old 07 Sep 2015, 10:27 pm
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Default Re: Won't start after timing belt and head gasket replaced

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Originally Posted by Probedude View Post
What do you mean by both pulleys were pointing up? if you mean the timing marks on the pulleys, they don't point up when properly aligned.
I agree. I have NOT done a timing belt on the 2.4 yet, but on most DOHC engines I have worked on, the marks are usually around the 3 o'clock position on the rear cam and 9 o'clock position on the front cam. I THINK it's way out of time and a compression test would definitely show that.
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Old 07 Sep 2015, 10:32 pm
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Default Re: Won't start after timing belt and head gasket replaced

You guys are over thinking it. I believe he meant the '∆UP∆' marks:
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Old 08 Sep 2015, 07:11 am
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Default Re: Won't start after timing belt and head gasket replaced

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Originally Posted by rob342 View Post
You guys are over thinking it. I believe he meant the '∆UP∆' marks:
I HOPE you're right, Rob and that we are wrong. I don't mind being wrong about things like this.
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