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#1
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exhaust pipe clunking trailing arm
After longer highway trips, my exhaust pipe starts banging where it crosses the trailing arm. I know because the pipe is visibly dented. Anyone have any experience with this?
I replaced the hangers before posting just to make sure it wasn't that simple. I even used the expensive reinforced ones!
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1984 300CD |
#2
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I just popped my head under my 300D and don't see how the pipe could contact the trailing arm unless it was seriously bent out of position.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#3
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I'll take a photo tomorrow in the light. Maybe i'm misidentifying the trailing arm? It's the part of the rear suspension that extends farthest towards the front end.
Maybe this is a coupe thing?
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1984 300CD |
#4
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Pics are always a help. I was wondering if the exhaust routing was different between the sedan and the coupe.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#5
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hangers are new, i'll double check clamp
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1984 300CD |
#6
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So, regardless of what the pipe is hitting, it IS hitting the underside of the car. I'm assuming this is related to my idle shake, because the exhaust will rock with the motor, right?
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1984 300CD |
#7
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Exhaust
rocks with motor yes.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#8
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Sorry, still no photo, haven't been on the lift.
Went after engine shake to address the exhaust movement. Removing and re-inserting the rack damper bolt seems to have revived it's voodoo and smoothed out the engine, no telling yet if that will keep my exhaust from flagellating.
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1984 300CD |
#9
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I've had exhaust hangers come apart pretty quickly, some make sure you look at them again. There is also a hanger on the trans, might make sure it's tight there.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#10
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Ugh, I'm having a similar problem...I hate the sound of the exhaust vibrating against the frame...between that and the slight exhaust leak at the manifold it makes it sound like the car is falling apart, or a total clunker. It doesn't do it all the time though. Replaced the entire exhaust and it was fine for awhile but now the back of the muffler is hitting the frame again in that one spot. If only I could find a new exhaust manifold then I'd bother messing with the positioning of the rest of the exhaust again too.
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1976 240D "Katja" |
#11
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photos of exhaust
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1984 300CD |
#12
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ok, could you back the car up on ramps, and get a shot of the underside of the car?
I still fail to see how the pipe is hitting the trailing arm...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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