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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Exhaust System Questions
37 messages, Last post on Oct 13, 2009 at 11:32 AM
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I own a 2000 chev silverado 2500 with a 6.0 litre. I recently had dual exhaust installed on it (they sound sweet by the way). Before it was installed, i wanted them look at an exhaust leak i could hear near the engine compartment. Which i thought was the collector gasket. With out even looking the guy said "its probably the exhaust manifold bolts." Sure enough, looked under the hood and the front and the rear bolts were broke off on the drivers side. He said he's ran into that alot and that they break flush with the head so you have to remove the head because there's not enough clearance between the head and the firewall. Has anyone else had this problem? I've heard it happens on the 5.3 liters too. |
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pbug777 I have the same problem. I also own a 2000 Chevy Silverado 2500 with the 6.0L and I had an exhaust leak that I could only pin to the drivers side manifold but I didn't know where. After reading your post I went and looked and sure enough I am missing the front two exhaust manifold bolts on the drivers side. Out of curiosity, did you get it fixed and how much did it cost?
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Replying to: marky3130 (Feb 25, 2008 3:14 pm) |
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Replying to: pbug777 (Feb 27, 2008 2:47 pm)
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Replying to: marky3130 (Apr 09, 2008 8:24 pm)
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| I have a 1995 GMC Sierra 4x4 350 extended cab shortbed and I am putting it in my buddies barn to do a lot of work on it. One of the things is new exhaust. I don't really need to replace everything but I thought I just should since I'm putting on headers, one more cat for true duals and two new flowmaster mufflers and tips.(allready halfway there) I am pretty good at welding so I can do it all myself for it will be a lot cheaper. I bought flowtech headers(long) about a year ago and still have not put them on, so now would be a good time. I did not purchase a y-pipe to connect them so I thought I would just make it true dual exhaust.(kinda a all around handyman) Right now the exhaust goes from my two manifols into on catalitic converter and then back into duals with two mufflers(owner before me did that whole setup). The oxygen sensor is right in front of the catalitic converter. MY PROBLEM is that when i make it true duals there is only one oxygen sensor, so would anyone know how to hook up a second one, and where to hook it into, so the computer still reads both banks and doesn't make the truck run bad because it can't read one bank. Maybe all I have to do is splice it into the other one? don't know. thanks a lot for your help Derek | |
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well i got my 08 denali sierra awd....curious what that muffler looking thing is at the passenger rear tire....has anyone removed it as a mod over replacing w/after market cat back? i also want to remove the front bumper license plate holder as i dont need it in okla. i cant see any bolts on it...anyone know how to remove it?? would adding a volant cai void the warranty? not impress w/the 14,4 gal i been averaging...w/only 3 tanks of gas and around 1000 miles on it sofar....tranny seems funky..but hoping its still breakin in...thanks in advance
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I have the same question as stacks about the O2 sensors. Any help on this would be great.
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Replying to: pawngod (Jun 28, 2008 7:39 pm) i also want to remove the front bumper license plate holder as i dont need it in okla. Isn't the plate holder molded as part of the bumper? tranny seems funky Yeah GM hasn't gotten the programming right on the 6 sp auto. curious what that muffler looking thing is at the passenger rear tire If it's smaller than the muffler it's probably a resonator and will be removed if installing a catback which again doesn't do much except increase incab noise. |
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Replying to: tigerpwr (Jun 30, 2008 11:11 am) Course if you're concerned about passing emission testing well you can forget that.
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