Intake Manifold Blew up. Please help.
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Intake Manifold Blew up. Please help. - 5/10/2008 7:53:30 AM
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hertzog1284
Posts: 37
Joined: 7/26/2006
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Alright Im going to start from the top. I have a 2003 Dodge Neon SXT, with the Hahn Racecraft Stage 2 turbo kit, and the Port Fueler. I have had the kit on now for a year, or about 20,000 miles. Everything was running well, except I stripped out the threads in the Head for the exhaust manifold.
On Firday night a couple of buddies and myself pulled the head and tapped out the stripped threads, and put an insert in place. We put the head back, and I installed a AEM adjustable Cam gear. We timed the car according the Haynes Manual. I started the car everything was running great, no codes no sounds. When I drove the car out of the garage everything was well. When I gave the car gas and the turbo built up pressure, the car made a funny tapping or clicking. It was faint, but you could hear it. And then the car shut down, and would not start.
The car threw three codes:
P0016- Camshaft postion out of phase with crankshaft
P0068- Manifold absolute pressure sensor signal doesnt match throttle postion sensor signal
P0244- Rationality error detected for intermittent loss of camshaft postion sensor circut
On Saturday morning, I pulled off the negative battery terminal, and I went and inspected the cam gear. The Cam gear looked to be in good condition, and it didnt jump off its setting. And the belt is brand new, just installed it, and that looks to be in good shape and tight. I reinstalled the negative, and went to start the car. The cranked 3 times and BOOM! Oil, fuel and antifreeze slung everywhere, and I founnd that the intake manifold blew up.
If anyone has any idea on what could have caused this PLEASE HELP. I have no idea what happened. When we put everything back together we followed the HAynes manual. I cant figure it out?
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RE: Intake Manifold Blew up. Please help. - 5/10/2008 4:55:41 PM
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hertzog1284
Posts: 37
Joined: 7/26/2006
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This is going to sound silly. Im more than positive in fact I would bet my pay check, that I installed the head gasket on correctly. Could it be a possiblity that it was put on incorrectly? Im so stumped. Im not boosting more than 8 psi, and I have had the turbo on for about 20,000 miles. I have had it backfire once and a while through the intake. As soon as I turned the key, it was almost instant, the manifold blew up. Im going to investigate the timing before I get a new manifold.
If there is anybody that might have an idea please tell me what you think.
Thank you very much!
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RE: Intake Manifold Blew up. Please help. - 5/10/2008 6:17:19 PM
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dtjackten
DodgeForum Moderator
Posts: 1978
Joined: 1/12/2006
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well as izero said, if boost reaches over 12psi the stock plastic manifold WILL do that... how much boost were u running??? did u rev the car at all? how much boost if so? i would say that the manifold is a boost issue....
and if u did jump time..... i hope it did not jump to bad or ur valves are f'd
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RE: Intake Manifold Blew up. Please help. - 5/11/2008 6:52:18 AM
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inthewerks
Posts: 251
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if you want to boost psi like that, you should get like an indy intake manifold or something. if you were boosting the setup hahns suggested(8psi for stock 2.0) then maybe the cam was moved during cam gear install. and , if you timed the car according to the haynes manual, how was that accomplished? with a turbo and adjustable cam gear, the timing specs would be different. i still think your cam got moved during cam gear install and some valves that were supposed to be open were closed causing too much air to build up into the manifold. hope this helps
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