 Blew a spark plug, (Not what you think) |
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| Mike Wofford |
 May 19 2004, 05:19 PM
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#1
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Member  Group: Members Posts: 68 Joined: 29-April 03 From: Olympia, Wa. Member No.: 629  |
Took the car out yesterday, had a nice spirted cruise. On the way home got off the freeway on my favorite cloverleaf off-ramp, downshifted into 3rd was about 1/2 way around when I heard a loud pop from the engine compartment, sounded like I blew a exhaust gasket but louder. Pulled over to take a look, laying on top of engine tin was my number 1 spark plug (still connected to the wire). Let it cool off and went to insert back into #1 hole. No luck the threads are striped (checked the plug and the threads are fine)
Can I heli-coil new thread insert. Help!!!!! |
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Replies(1 - 5)
| TheCabinetmaker |
May 19 2004, 10:10 PM
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#2
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I drive my car everyday Group: Members Posts: 8,304 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
I had to do this very thing while on vacation in Arizona a few years ago. I used a thread sert instead of a helicoil. I used a "lot" of grease on the tap to catch the metal particles, then air pressure to blow the cylinder out, and a vacuum to further clean it. We made it back to Okla. 2000mi later. I then took it to our local 914 guru. He said "you did good. everything is ok".
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| Jake Raby |
May 19 2004, 10:23 PM
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#3
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
I'll almost bet you have a cracked head... The crack starts near the plug hole and protrudes into it.. causing the threads to weaken.
See it all the time.. |
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| Mike Wofford |
May 19 2004, 10:29 PM
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#4
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Member Group: Members Posts: 68 Joined: 29-April 03 From: Olympia, Wa. Member No.: 629 |
Jake--Have not pulled engine/sheetmetal, but will take a look for that. It never crossed my mind that the head could have cracked. Jake if the head is cracked is this a weldable fix or is the head trashed. This is a 1.8 engine that ran really good. Thanks
Curt--Looked up thread sert looks like the way to go if the head is not cracked. Thanks for the info |
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| Jake Raby |
May 19 2004, 10:38 PM
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#5
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
Any crack can be repaired... since its a 1.8 I doubt it is cracked, 2.0s do it ALL the time.
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| Mike Wofford |
May 19 2004, 10:51 PM
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#6
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Member Group: Members Posts: 68 Joined: 29-April 03 From: Olympia, Wa. Member No.: 629 |
Jake, is the thread sert the way to go or do you have another suggestion on how to fix this.
Thanks Mike |
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