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    Author Topic: I got a rattle  (Read 1220 times)

    Offline stinger

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    I got a rattle
    « on: July 18, 2018 - 07:51:54 PM »
    in park only,sounds like the TQ. why in park only I would like to know. someone suggested crank walk. if that was the case wouldn't it be rattling all the time? thoughts?
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    Offline 70chall440

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    Re: I got a rattle
    « Reply #1 on: July 19, 2018 - 01:44:53 AM »
    Check your TQ bolts
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    Current Mopar
    70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
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    Offline stinger

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    Re: I got a rattle
    « Reply #2 on: July 19, 2018 - 05:50:05 PM »
    Yeah  did that already as with the starter
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    Offline 70chall440

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    Re: I got a rattle
    « Reply #3 on: July 19, 2018 - 07:33:36 PM »
    Its possible that something came loose in the TQ. Very hard to diagnose via the internet.
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    Current Mopar
    70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
    05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
    Past Mopars
    9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

    Offline stinger

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    Re: I got a rattle
    « Reply #4 on: July 19, 2018 - 07:55:07 PM »
    put it up on the hoist and watched the crank move back and forth as the trans was shifted from park to neutral.it moved a lot,suprised it's running so good.
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    Offline 70chall440

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    Re: I got a rattle
    « Reply #5 on: July 19, 2018 - 11:48:35 PM »
    Oh snap... that sucks.
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    Current Mopar
    70 Challenger RT 440-6 EFI, 73 Cuda 416-6 EFI
    05 Hemi Durango, 01 Ram 4x4, 14 Ram 2500 4X4, 10 PCP Challenger 6 spd RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR (under const)
    Past Mopars
    9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)

    Offline stinger

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    • Posts: 424
    Re: I got a rattle
    « Reply #6 on: July 21, 2018 - 11:23:19 PM »
    so did the crank eat the bearing or did the bearing eat the crank?
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    Offline JayBee

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    Re: I got a rattle
    « Reply #7 on: July 22, 2018 - 09:04:07 AM »
    Same thing happened to me, crank walk. Didn't make noise all of the time, crank ate the bearing. The shop aligned the transmission and it's been fine since 2013, about 20K miles. Originally the bearing only lasted 8K miles after the engine was rebuilt and my original tranny housing was replaced (2011). At that time we never suspected there would be a misalignment.
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    John

    1970 Barracuda convertible
    2014 Toyota Avalon

    Offline stinger

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    • Posts: 424
    Re: I got a rattle
    « Reply #8 on: July 22, 2018 - 10:15:44 AM »
    auto trans?
    Researching this and it seems this in not a common problem on 440's with an automatic trans. I doubt I have 1500 miles since I bought this short block that was supposedly gone through but I think it was as everything still looks fresh i.e. cross hatch on the cylinder bores,all ARP fastners etc. excellent oil pressure and ran very strong for what it was. Transmission is fairly fresh too,same miles as the engine with zero issues what so ever BUT something caused this.
    I'm going to roll some new main bearings in it and see what happens for now and yank it in the fall for a rebuild or replace. I already have the thrust bearing out but I know the new one wont last long.
    « Last Edit: July 22, 2018 - 06:31:09 PM by stinger »
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    Offline JayBee

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    Re: I got a rattle
    « Reply #9 on: July 22, 2018 - 07:18:33 PM »
    Yes, mines an auto - A904 & 318 ci. You're right, this is rare with automatics, more common with standards.
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    John

    1970 Barracuda convertible
    2014 Toyota Avalon

    Offline stinger

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    • Posts: 424
    Re: I got a rattle
    « Reply #10 on: July 25, 2018 - 09:57:13 AM »
    I rolled a new thrust bearing in and put ber back together. Crank isnt walking yet but the noise is still there in park. Ohh well new converter with the rebuild will be done. Still a bummer
    « Last Edit: July 29, 2018 - 04:33:53 PM by stinger »
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