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Anyone know what size the exhaust manifold bolts are on the 6L Chevy? It the rear one on the driver's side. Must have fell out on the road.Miller Challenger 172Miller Thunderbolt AC/DC 225/150Miller Maxstar 150 STLVictor 100CVictor JourneymanOxweld OAHarris O/ASmith O/A little torchNo, that's not my car.
Reply:is it gone or broken off?lincoln 125spmonkey wards 250 ac/dcmiller 211 w/spool gunahp 200 sx tiglotos ltp5000dof course duramax diesel
Reply:I'll check with #1 son in the morning. He has made a small part of a life removing, & replacing. Vortec, and 6.0 are frequent flyer with manifold bolts.An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.
Reply:Well Oreilly's had the whole set so I bought them and it seems that it is broken off in the head. The bolt won't go in and neither will a small screwdriver, there is something in the hole and since I can't see in there I am guessing it is a broken piece of the bolt. How do you break a bolt in an aluminum head? No major work has ever been done on the van and ever since it was new I always noticed if you get on it hard when it is cold you could always hear a pft pft pft like an exhaust leak. I'll bet that bolt was broke off at the factory. Not much I can do about it now at 117K.Miller Challenger 172Miller Thunderbolt AC/DC 225/150Miller Maxstar 150 STLVictor 100CVictor JourneymanOxweld OAHarris O/ASmith O/A little torchNo, that's not my car.
Reply:This is very common on LS motors. MIG or TIG weld a nut to it to get it out. If it is below the head surface then build up a little bit and then weld a nut to the build up. You may have to take the plastic fender well out to get to it but that is the easiest way.www.tjsperformance.comDynasty 300 DXHTP 240HTP Microcut 380Hyperthem 85JD2 Hyd Bender and HF Hyd Ring Roller all in one =(Frankenbender)Bpt. Mill/DRO4' x 8' CNC Plasma TableInstagram: tjsperformanceYT: TJS Welding and Fabrication
Reply:There is no easy way. Mine was a rear bolt. Removing the doghouse in my van It was difficult, but possible to get to it. TIG is my process of choice. Being aluminum, you have an advantage, you can pump a lot of heat in without risk of melting aluminum. In some cases you have to remove the head. Your whole problem is about access, no big thing if you can get to it. Do you know a contortionist dwarf who likes to stand on his head while TIG welding?An optimist is usually wrong, and when the unexpected happens is unprepared. A pessimist is usually right, when wrong, is delighted, and well prepared.
Reply:Mine is in a van as well and removing the dog house gets you close but the hole is still about 4" below that, rear bolt as well.Miller Challenger 172Miller Thunderbolt AC/DC 225/150Miller Maxstar 150 STLVictor 100CVictor JourneymanOxweld OAHarris O/ASmith O/A little torchNo, that's not my car.
Reply:I would just use the clamps in a situation like that, 10 minutes and you are done. Save the bolt removal for when it has to come out.
Reply:
Originally Posted by walker
I would just use the clamps in a situation like that, 10 minutes and you are done. Save the bolt removal for when it has to come out.
Reply:
Originally Posted by bigb
Thanks I didn't know about those, it looks like that will be a fairly easy repair on the van chassis, at least on the left rear. After some reading I didn't realize this commonly happens on the LS motors as mentioned by TJS. Apparently thermal expansion. I'd better check the remaining corners.
Reply:
Originally Posted by duramax-rob
im sorry, i missed the part about the clamps. what clamps are you talking about. any info on the clamps would be appreciated. thanks.
Reply:thanks for the link. thats really cool for fixing broken exhaust bolt at back. thanks againlincoln 125spmonkey wards 250 ac/dcmiller 211 w/spool gunahp 200 sx tiglotos ltp5000dof course duramax diesel
Reply:I have used a couple of the dorman kits that bolt to the back of the head and clamp the manifold down. They are easy and work wellMillermatic 252millermatic 175miller 300 Thunderboltlincoln ranger 250smith torcheslots of bfh'sIf it dont fit get a bigger hammer |
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发表于 2021-9-1 23:18:25