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Thread: New exhaust rattling

  1. #1
    Advanced Mcflurry's Avatar
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    New exhaust rattling

    Hi all,

    Recently had a new 3" Berklee exhaust fitted. The flange between the dump pipe and the middle section of the exhaust has a rattle, especially at idle.

    Is it possible the shop over torqued the flange bolts, crushing the new gasket and causing this rattle?


    -Definitely not a clearance issue and rubbers are fine.


    Cheers
    Brad
    Last edited by Mcflurry; 19th December 2018 at 12:33 PM.
    2009 GU

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    Expert altech's Avatar
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    Take it back to the exhaust shop that fitted it. or was a bolt on kit .
    97 GU Ti 4.5 on lpg , uhf icom Pro400, Garmin GPS Maps, HD-Lukas Dash Cam with gps tracking. Snorkel , I-Max 12000lb Winch , Twin rear light bracket on wheel carrier for light & uhf antenna,Draws unit, Electric Cargo barrier, HID headlights kit, LED Light Bar, 2 inch lift with HD King springs and Monroe Gas Magnum TDT 4WD Shock Absorbers, BS Dueler 697 Lt 285/75R-16 .

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    Patrol Guru Bidja's Avatar
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    Same exhaust here. Have a look at the bracket that connect 2nd section pipe to rear eng mount bracket at rear of gear box (transfer).. Maybe broken, occurs especially if brkt is under pressure resulting from misalignment at install and can fail due to vibration at brkt right angle bend. . Berklee replaced mine under warranty, easy to install (ring them direct). FYI, I have reused my gaskets half a dozen times over as I like to undo things..

    Or could be the tail pipe section being too close to body (tow bar maybe), easy to fix(space it away with 1/2" garden hose on pin brkt and hose clamp)_..

    Most likely be second pipe section brkt (if they won't cover by warranty, pull it off, weld it back together and gusset it at the bend(would not cost much to do if U have to spend)..
    2008 GU WAG ST Manual CRD - To do the job

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    Advanced Mcflurry's Avatar
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    Sadly it was a bolt on kit
    2009 GU

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    Thanks Bidja,

    I do have that issue with the tail pipe hitting my rear bar, the garden hose / hose clamp idea is great I'll use that!

    I'll go have a sniff around that bracket you refer to and let you know.

    Cheers
    2009 GU

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    Patrol Guru Bidja's Avatar
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    Quote Originally Posted by Mcflurry View Post
    Sadly it was a bolt on kit
    Yeah bolt on, but all flanged section joints use 4 corner thru hx hd bolt and nut fasteners (solid coupling). The design is not bad, but I got Berklee to make up two different flow rate muffler sections, as I was playing around with different exhaust sys back pressures. Have one of their stock muffler sections and muffler delete pipe left over now. Way it goes..lol
    2008 GU WAG ST Manual CRD - To do the job

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    I decided to separate the flange last night to take a look and as it turns out, there was a 16mm socket in there that has made its way to the muffler.... Thanks for the freebie I guess?

    Rattle be cured!!
    2009 GU

  9. The Following 4 Users Say Thank You to Mcflurry For This Useful Post:

    Bidja (20th December 2018), mudski (21st December 2018), rusty_nail (20th December 2018), Yeti's Beast (21st December 2018)

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    Patrol Guru Bidja's Avatar
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    Lucky find there mate.
    2008 GU WAG ST Manual CRD - To do the job

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