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I have 1989 Suburban with a 350 cubic inch engine. While ...


Sent to Car Experts September 30, 2006 3:30 p.m.
I have 1989 Suburban with a 350 cubic inch engine. While trying to replace the exhaust manifolds I had 2 bolts break, the vise grips aren't working and there isn't enouph room to get a drill into the area to drill them out and retap them. Any idea's?

Optional Information:
1989 Chevrolet SUBURBAN 350

Already Tried:
VISE GRIPS, DRILL (IT WON'T FIT IN THE AREA)
Customer (name blocked for privacy)
Status: Closed   Value: $8   
Info Request
September 30, 2006 3:38 p.m. (7 minutes and 49 seconds later) 		REPLIED to Info Request Check Mark

How much bolt is sticking out of the head?



Edited by enginboy on September 30 2006 at 3:38pm
PictureMarc  -- Technician,Auto -- 98% Positive Feedback on 1028 Car Accepts
32 years exp. automotive repair NYS emisisions repair cert.
Reply to Marc
Sent September 30, 2006 3:41 p.m. (2 minutes and 53 seconds later)
One is out about a half an inch, the other is out about an inch. The vise grips are only slipping and I'm sqeezing them tight.
Customer (name blocked for privacy)
Answer
September 30, 2006 4:19 p.m. (37 minutes and 43 seconds later) 		ACCEPTED Check Mark
I have had good luck with the following method- heard about it several years ago and never would have believed it until I tried it. It works best if there is some bolt still sticking up where you can get ahold of it. Here goes:

1. Heat the bolt only first, then let it cool naturally.
2. Heat the area around the bolt AND the bolt at the same time.
3. While the bolt and surrounding area are hot, get an ice cube and put on the bolt ONLY. BE CAREFUL-WEAR GLOVES FOR PROTECTION.
4. Normally, if you can get a pair of vice-grips on the bolt, it will spin right out. No drilling required. Hard to believe, but it works. Try it. "

Here is a site if all else fails http://www.madelectrical.com/workshop/broken-bolts.shtml



Edited by enginboy on September 30 2006 at 4:28pm
PictureMarc  -- Technician,Auto -- 98% Positive Feedback on 1028 Car Accepts
32 years exp. automotive repair NYS emisisions repair cert.

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