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 Heli Coil Questions
#707537
03/18/06 06:00 PM
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Anonymous
Unregistered
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My friends 94 pickup 22RE engine is only running on 3 cylinders because she stripped the spark plug or broke it off in the head. I was considering buying her truck for a couple hundred dollars and fixing the spark plug problems and reselling it, or maybe just helping her fix it and sell it. So my question is do have to pull the head to do a heli coil? Also Ive never done a heli coil which is a concern.Is it hard? should I take the truck to a machinist? The motor doesnt have many miles and its the original not rebuilt so I would like to leave the head alone if possible. The rest of the truck is pretty nice still.Any help is appreciated
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Re: Heli Coil Questions
#707538
03/18/06 06:32 PM
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Joined: Sep 2003
Posts: 1,856
Body Damage is Cool
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depending on which hole is stripped ? If its #4 , then IMO , taking off the head is the best bet ....
I would almost recommend you take it to a pro any way ..there are so many ways to wreck things ...
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Re: Heli Coil Questions
#707539
03/19/06 08:05 AM
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Joined: Jul 2002
Posts: 79
Getting the Wheeling Fever
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Last edited by vrooooom; 03/19/06 08:07 AM.
stock 1994 Toyota 4x4 XtraCab v6 SR5 pickup
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Re: Heli Coil Questions
#707540
03/21/06 04:31 PM
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Joined: Aug 2004
Posts: 1,298
Body Damage is Cool
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I'd vote for pulling the head. To do a coil you have to drill out the hole. There is no way you will keep drill debris out of the cylinder....
If Mad Max had a 4runner...
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Re: Heli Coil Questions
[Re: TexJeff87]
#707541
03/21/06 04:35 PM
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Joined: Aug 2001
Posts: 5,986
Toyota Section Staffer
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I would say, given your lack of Irishness* in matters mechanical, don't take ANY shortcuts!
*defined as a proclivity for an endless series of unfortunate events; e.g. no luck.
-Bill
'87 4Runner w/ '96 5VZ-FE, 'Red Chili II'
'97 Taco XtraCab 3RZ-FE, 'BlackBean'
TLCA # 13257, Rising Sun 4x4 Club Land Use Coordinator
"He who stops being better stops being good." -Oliver Cromwell
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Re: Heli Coil Questions
#707542
03/21/06 04:43 PM
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Joined: Nov 2003
Posts: 268
Mudrunner
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I did one in my wife's car about 10 years ago. It worked great. They make a "kit" to do it. It has the tap and coil to do it. No drilling required. You put grease on the tap to catch all the shavings. Tap the bad threads then clean real good. The kit comes with some lock-tite to hold the heli-coil in. Then in goes the plug. Make sure you use some anti-seize on the plug threads. This was on a chevy 2.8L. I say don't pull the head and give it a try. Got another 50k on it before I sold it....It was still running........
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