kefferjoe Posted April 10, 2013 Share Posted April 10, 2013 Hello, I have a cracked exhaust manifold on the underside of my driver side exhaust manifold. I am trying to decide whether to take it to a shop to have it done, do it my self, or to just leave it be. I'm fairly handy with tools, but my concern is if i was to break the studs off the manifold due to rusting. Also I have no idea how time consuming this project is. How much would a shop reasonably charge to do this? How long would it take for me to do it myself? Link to comment Share on other sites More sharing options...
Iceman2989 Posted April 10, 2013 Share Posted April 10, 2013 I had my local mechanic do it for around 60-80 bucks after I bought the part. I probably could have done it myself, but I didnt want to- for the same reason you mentioned above. Link to comment Share on other sites More sharing options...
Precise1 Posted April 11, 2013 Share Posted April 11, 2013 I replaced one and it was a PITA. The studs weren't the issue, but I had to remove a lot of items in the engine bay to get access, I had to buy an offset O2 socket, drop the cat and the next section of pipe to get to the bolts from underneath, heat shields were impossible to get to, etc. The replacement manifold was only about $90, but I spent many hours and curse words over several days dealing with it. This is definitely something I would pay a reliable shop to do, especially if it was for $60-80! I have no idea what a shop would charge, but call and get some quotes, then rate the cost against your time and patience to decide. B Link to comment Share on other sites More sharing options...
5523Pathfinder Posted April 11, 2013 Share Posted April 11, 2013 60-80 bucks? Guess he don't value his time much. Link to comment Share on other sites More sharing options...
Iceman2989 Posted April 11, 2013 Share Posted April 11, 2013 Nope, just a local guy that wanted some side work. He did good work though, and sure saved me the trouble. I just bought the manifold online for around 45-50 (rockauto) and had him install it. Link to comment Share on other sites More sharing options...
kefferjoe Posted April 12, 2013 Author Share Posted April 12, 2013 Yeah i was looking around and the shops around here want close to $300, and that's just labor assuming they don't have to replace studs and such. They quoted 3.8 hours for the job. I may just do that since it does look like an insanely tough job to do. Link to comment Share on other sites More sharing options...
Precise1 Posted April 12, 2013 Share Posted April 12, 2013 Honestly, it wasn't hard per-se, more are you f-ing kidding me, how the hell am I supposed to get to that annoying... If I got a quote for $300 total, regardless, I'd probably take it... B Link to comment Share on other sites More sharing options...
ltsnotme Posted April 12, 2013 Share Posted April 12, 2013 (edited) I had my local mechanic do it for around 60-80 bucks after I bought the part. I probably could have done it myself, but I didnt want to- for the same reason you mentioned above. 60-80 bucks for the driver side does sound really cheap. I had the passenger side replaced for about that much. Edited April 12, 2013 by ltsnotme Link to comment Share on other sites More sharing options...
Leo94 Posted April 12, 2013 Share Posted April 12, 2013 How do you tell the difference between a cracked stud and a cracked manifold? Or can you only know after it is removed. Link to comment Share on other sites More sharing options...
kefferjoe Posted April 12, 2013 Author Share Posted April 12, 2013 Well in my case I know because if the engine is cold and look up at the exhaust manifold from under my truck I can see a large crack running perpendicular to the block Link to comment Share on other sites More sharing options...
Iceman2989 Posted April 12, 2013 Share Posted April 12, 2013 60-80 bucks for the driver side does sound really cheap. I had the passenger side replaced for about that much. My mistake, it was the passenger side one that I had replaced. How do you tell the difference between a cracked stud and a cracked manifold? Or can you only know after it is removed. For mine the manifold was in two pieces.... it was pretty obviously cracked, and fetching LOUD. Link to comment Share on other sites More sharing options...
Precise1 Posted April 13, 2013 Share Posted April 13, 2013 How do you tell the difference between a cracked stud and a cracked manifold? Or can you only know after it is removed. Like was said, the crack was clearly visible, and it fell into 2 pieces when I unbolted it. Generally speaking, the WD21 manifold issues are them warping and the studs breaking (the nuts will be gone or spin easily and you might see evidence of an exhaust leak) while the R50 manifolds seem to crack/break, probably due to the larger studs not giving and the extra weight of having the cats bolted directly to them and handing down. B Link to comment Share on other sites More sharing options...
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