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| Turbo to exhaust down pipe connection http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=83960 |
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| Author: | Diver1430 [ Sun Jan 31, 2016 10:33 pm ] |
| Post subject: | Turbo to exhaust down pipe connection |
I had a shop pull the cat and muffler and put in a summit street muffler awhile back. I ve noticed some noise and exhaust smell coming out of the engine compartment. Pulled the resovoir and heat shield and saw a gap in the connection. But, the down pipe and the tubo Don t overlap in a male/female connection. It is a face to face match. Doesn t seem right to me. Maybe the shop used a different down pipe. Should t the fittings overlap? |
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| Author: | flash7210 [ Sun Jan 31, 2016 11:04 pm ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
Not overlap, they meet face to face. The V-band clamp holds them together very tightly. |
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| Author: | JD3020 [ Mon Feb 01, 2016 5:08 pm ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
^What he said, pretty much every turbo vehicle has a flat face to face connection with a v-band clamp. As long as the faces are even and flat against each other they will seal. And i highly doubt they used a different downpipe as i don't think there is a single aftermarket downpipe available. If i were you i'd crawl under it to make sure all the connections and clamps are tight, and look for leaks. Leaks should be easy to spot since there will be soot visible. Also look behind the engine to see if the EGR tube is broke or cracked, again any soot means there is a leak. |
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| Author: | Diver1430 [ Mon Feb 01, 2016 7:34 pm ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
Ok, tks |
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| Author: | Diver1430 [ Mon Feb 01, 2016 7:45 pm ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
Also, I had an opening in the joint, so the shop did not properly install. I had removed the EGR pipe years ago before the weeks 101. I cut the pipe, squashed the end and welded it up. Thought maybe something went awry in that mod. So it turned out to be the down pipe. I ve had it off before when I was doing the head job. I come from the donut era. Again TKS. |
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| Author: | undrgnd [ Sun Aug 14, 2016 2:16 am ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
flash7210 wrote: Not overlap, they meet face to face. The V-band clamp holds them together very tightly. Hey Flash, Are these v clamps 2.5inches? You mentioned very tightly but FSM say 19ft pound which doesn't seem very tight at all. Cheers Chris |
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| Author: | peteyz24 [ Sun Aug 14, 2016 6:05 am ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
The V shape in the clamp squeezes the flanges together very tightly. A large amount of torque does not need to be applied to the fastener for this to happen. |
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| Author: | JDaPP [ Sun Aug 14, 2016 11:25 am ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
I just had this problem. It is easiest to loosen up the exhaust down pipe first and then move it into position, tighten the clamp and then tighten exhaust down pipe back down. For loosening the exhaust downpipe crawl under the jeep look for the exhaust rubber hangers/v bracket (I believe) it is two- 13mm on top (you will have to feel around for it). |
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| Author: | undrgnd [ Mon Aug 15, 2016 3:16 am ] |
| Post subject: | Re: Turbo to exhaust down pipe connection |
Thanks all. Amazing what a difference a tighten exhaust clamp does....mysterious rattle....gone!! |
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