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What am I missing here (exhaust headpipe hanger)?

1995 945 base (N/A) with EGR and Bosch engine management.

I finally got around to fully refreshing my cooling system. While utilizing the block drain, I noticed that there is a provision to hang the headpipe to a bracket bolted to the trans/engine mating area. I'm assuming this isn't just for looks, and that Monroe Muffler/Brake of Enfield CT (Manager: John Amatrada, Tech: C. Cava) was too lazy to order/install this bit when they replaced the headpipe for the car's original owner back in Sept of 2015.

I tried to identify the missing parts from searches of the FCP, IPD, and Rock Auto online catalogs. I'm done searching online. Can anyone tell me what I need here? As it's been this way for about 18,000 miles, I'm not particularly concerned, but I'd like to make it right. Thanks!

-Wilson

Edit: When looking at this post I'm seeing the photo I linked on my desktop browser, but not on my mobile. I expect anyone who knows the answer probably doesn't need the photo, but if you don't see it, it can be accessed here: https://wilsonhoyer.files.wordpress.com/2023/01/rsz_1rsz_1rsz_img_1825.jpg









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    What am I missing here (exhaust headpipe hanger)?

    Uh oh - I just realized my exhaust problem is far more serious than I thought.

    I finally got around to replacing the fuel filter (only 52k since the 100k service, so not overdue), and noticed a couple of other issues. The biggest one, which will be easy enough to rectify, is that there is no hanger at all on the front (ahead of axle) silencer. The shop which didn't bother to re-install the headpipe spring also didn't bother to hang the silencer. The band with the hooks is not present, either. The two rubber supports are still hanging from the body, though, doing nothing but making Monroe Muffler of Enfield Connecticut look even more incompetent. So the entire system is only supported at the back box, and by the manifold.

    But wait - there's more! The catalytic converter (which was replaced by same Monroe) is welded to the pipe on the muffler side (three bolt flange is attached normally). I'm not sure why someone would do this, instead of using the slip joint, unless the system was too short for some reason (and they were too lazy to weld in an extension). I'll have to look at the receipts. I think the system was done piecemeal, so maybe the lazy tech cut off the old cat and installed the new, assuming cat was done second. Doesn't really matter until I have to replace the exhaust again, so I'm not too worried. I'll just buy the hanger bit, and probably some new rubbers vor both mufflers, and get it secured before something bad happens.

    Gee....








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    What am I missing here (exhaust headpipe hanger)?

    often the tin covers come lose from the exhaust pipe which they surround and then thye rattle , people will sometimes cut those parts off.

    Ive tried various attempts and right now I have a spring between that bracket in the middle of the pipes that the bolt goes through and the double pipe cover towards the cat. On mine the cover part is loose from the two pipes but the spring provides enough tension just so the parts can't rattle. I tried driving screws between but that came loose, the spring idea seems to be working ok. If I felt like taking it apart I'd weld it back to the pipe or cut the thing right off, but I dont see the point in going there.. the problem was just the rattle and adding a spring fixed that. since the parts are being pulled together and against each other by the spring tension, they can't rattle now. the only purpose of the spring I added was to stop the rattling. adding a spring is an easy 5 minute repair. if you can;t figure out what to hook the spring to you can add a hose clamp just for that.

    that pipe runs hot so rubber might burn up if it's in contact with the hot pipes.












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      What am I missing here (exhaust headpipe hanger)?

      Well that wouldn't be the source of my rattle, as the aftermarket headpipe on this car never had those shields in the first place. My rattle seems to come from the plastic trim around the headliner, on the passenger side. My thinking was some resonance from an exhaust vibrating due to improper mounting might travel and cause rattles in unexpected places. I won't be shockedt if fixing the hanger doesn't solve the problem - I just think it's a good place to start. The rattle happens with car stopped, while idling, with auto trans in Drive. Seems more pronounced before car comes up to temperature. Per service records, the dealer replaced the engine mounts within the last 30k. Unsure if transmission mounts are original, but I suspect it would have been done on the same invoice as engine mounts, or not at all. I haven't inspected them.

      Good point about rubber and heat. I was thinking that many exhaust hangers utilize rubber, so maybe OK if isolated by a bracket. But come to think of it, I can't think of any car using rubber up that close to the manifold.

      Since the parts seem to be available, and the mounting points for it are intact, I'm inclined to go with the factory solution. Unless I get frustrated trying to find the parts... As of right now, I haven't actually tried. Probably should jump on that, though.

      Thanks for the insight!

      -Wilson








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    What am I missing here (exhaust headpipe hanger)?

    Perhaps this exhaust bracket assembly. I consider it important in that it prevents excessive strain on the down pipe and exhaust header, especially when the whole exhaust system is being wrestled around such as during exhaust system repair with the rear clamps disconnected from the chassis or the cat section hanging down under its own weight.



    The main bracket is p/n 1357917, #8 in Volvo diagrams, fitment listed for '85-'95 B230F/FT 700/900, still available in the Volvo parts chain for around $10 (also ipd around $12).

    Your missing loop part of the bracket is p/n 1276583, #6 in diagrams, also still avail for around $18. The flat clamp that secures it is #9 in diagrams, p/n 1306768, called a washer(?), two needed?? (vertical, horizontal), bolt is separate, avail for around $2.

    https://www.volvopartswebstore.com/products/Volvo/1995/940-23l-Fuel-Injected/Exhaust-Bracket-Exhaust-Bracket/1203690/1276583.html
    --
    Dave -still with 940's, prev 740/240/140/120 You'd think I'd have learned by now








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      What am I missing here (exhaust headpipe hanger)?

      Thanks you ever so much, Dave!

      I'm a little surprised I never think to look to Volvo for this stuff. For the 9 or so years my wife had a 535is wagon, I used realoem.com religiously. And this is our third Volvo, so it's not like I'm new to the marque, although this is the first RWD I've dealt with. So hopefully in addition to you giving the exact answer, I'll retain the knowledge to look to the folks who built the thing.

      Anyway, the design is nothing like what I was expecting. I was thinking if the parts were NLA, I'd modify a heavy L bracket and use one of those rubber bushes with the stud coming out of each end. But it looks like the original design allows for more movement. I'll be glad to spend the money to put it right. Especially if it fixes the rattle at idle...

      -Wilson








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    What am I missing here (exhaust headpipe hanger)?

    I tried to find the photo but it was not there. I'll say this about brackets-lose the one holding the auto trans cooling lines. Eventually a hole will be worn through one of the lines. Either leave the clamp off altogether--or rig up a "cushion" against the lines. There is an exhaust bracket that mounts to the bellhousing that has an extension where an 8mm bolt (13mm head) attaches to the welded brackt/captured nut. If that's the part you are missing - I may have one stashed away. -- Dave








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      What am I missing here (exhaust headpipe hanger)?

      Hi Dave (Volvo From Heck).

      I missed this before, but your point on the trans cooling lines is well taken. I took a look, and the cooling line bracket is indeed there on my car. Next time I have the car up on ramps, I'll take that off, and inspect the lines. The cushioning idea seems like a good one. I happen to have some old bicycle inner tube I think would be perfect for this. The bracket piece looks to be aluminum, so opening up the clamping area with a file to allow a turn of inner tube to fit in there should be easy.

      In the future, I have aspirations of taking this car on some longer trips in the near future, and would hate to be disabled for something as silly and preventable as a worn-through line. Thanks for the tip.








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    What am I missing here (exhaust headpipe hanger)?

    What are you missing- the fitting on the exhaust or the fitting in the transmission? These two are held by a type of clamp, but it does not seem to be essential (although desirable).

    Ian F








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      What am I missing here (exhaust headpipe hanger)?

      Thanks for the reply, Ian.

      The fitting on the transmission is present and accounted for. It's whatever bolts to the two bolt plate on the headpipe, connecting the headpipe and trans bracket.

      I agree it seems to be not essential. I did note while searching for the part, that IPD suggests this may contribute to an annoying vibration or rattle at idle. It's in the ad copy for the trans bracket (https://www.ipdusa.com/products/9611/Headpipe-Bracket-700-900-Genuine-Volvo-1357917-120932). I happen to have just such an annoying rattle at idle - particularly when car is cold. Ensuring all the bits of the exhaust are intact seems like a good first step in trying to rectify the rattle (I've done nothing else about that yet).

      -Wilson








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        What am I missing here (exhaust headpipe hanger)?

        The exhaust has a welded plate with tapped holes (as far as I can recall without looking!).
        I can get a photo of mine if you wish, although it is dark and below zero here in Scotland!

        Ian F








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          What am I missing here (exhaust headpipe hanger)?

          Yes, that welded plate (horizontal) is there, as is the plate (vertical) held to the bellhousing area by two bolts, and one bolt above and forward the exhaust plate. Something presumably connects the two.

          Sorry I couldn't figure out the photos, and thanks for bearing with me. Seeing what this should look like would be immensely helpful, but perhaps when I have a moment, I'll do an image search and get lucky. Please don't put yourself out.







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