Rattle between block and trans?

Transmission and Drivetrain Tech

  1. 70DusterBob

    70DusterBob Well-Known Member

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    I heard some noise coming from the firewall at WOT, did not sound familiar. So when I got home, I opened the hood, gave it a little gas and could hear like a rattling noise sounds like between the block and the trans. A mechanic told me it could be the torque converter is loose, any ideas?

    Thanks...
     
  2. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    That's what I would check. If you have the shield on the trans, the TC bolts could be hitting it as it rotates.
     
  3. 70DusterBob

    70DusterBob Well-Known Member

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    The shield is not on the trans, but I will look into it tomorrow. Thanks.
     
  4. toolmanmike

    toolmanmike FABO MODERATOR Staff Member FABO Gold Member

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    Cracked flex plate too.
     
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    • 70DusterBob

      70DusterBob Well-Known Member

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      I'll check for that too. ugh
       
    • SIX225

      SIX225 Well-Known Member

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      Had a 2.2 Daytona that I didn't tighten up the torque converter bolts enough. Sounded like a rod knock. Found out when I went to loosen the bolts to pull the engine.
       
    • dirty white boy

      dirty white boy 50 yr old Juvenal delinquent

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      did same thing on a 350 chevy flexplate cracked,..thought i done killed another mouse!
       
    • rustycowll69

      rustycowll69 Well-Known Member

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      did you say no dust shield between engine and trans? You are kinda inviting disaster. That little dust shield is all you have between sucking up rocks or gawd knows what debris into the bell housing. There is not a lot of clearance in there, if a rock finds its way in there, it may find a way out thru the cast aluminum. It could take out the starter nose, maybe even the converter. It can cause an inordinate amount of grief compared to the time and material it takes to replace that shield.
       
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      • 70DusterBob

        70DusterBob Well-Known Member

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        Yeah, I took a big heavy guy, probably 300 lbs for a ride, floored it and it made a rod knock type sound. Not exactly like a rod knock, but before that nothing. It was somewhat of a knocking sound. Then when I went to investigate under the hood, I brought it up to maybe 2000RPM and it was like a rattle sound. Definitely the torque converter but I gotta investigate more. Thanks. Probably his weight was too much for the flex plate and either cracked it, or the bolts just happened to back off at a bad time.

        Thanks...
         
      • 70DusterBob

        70DusterBob Well-Known Member

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        If I remember correctly there isn't one. It has been a few years since I put her together, and if I remember I didn't have one, didn't have access to this forum to find another one. When I got the trans it didn't come with one. I think it is out of an 86 if I remember correctly. A friend of mine said something might have gotten shot up there, but I typically only drive on the pavement, no off roading, or gravel road driving. Whatever it is, I will look for a dust cover...

        Thanks...
         
      • 70DusterBob

        70DusterBob Well-Known Member

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        BTW, you wouldn't know where I could get a new one do you? Like a brand new one???
         
      • krazykuda

        krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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        Mancini Racing sells new trans dust shields, but there is a small tab near the starter that you have to cut off so the starter installs...

        Radiator Fan Shroud

        mancini-racing-transmission-dust-shield-14.jpg

        mancini-racing-transmission-dust-shield-14 b.jpg
         
      • 70DusterBob

        70DusterBob Well-Known Member

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        • krazykuda

          krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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          Sorry, wrong link, that was for another thread...

          Here's the one for the trans shields:

          Mancini Racing Transmission Dust Shield
           
        • KnuckleDuster

          KnuckleDuster Well-Known Member

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          Better yet, snip the entire starter area off so you don't have to pull the starter to access the bellhousing. Nobody will know but you. I also painted mine Chrysler Blue to match my engine. Get grade 8 bolts with lockwashers, and you're all set.
           
        • skep419

          skep419 I'm the guy that likes SPAM

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          did you ever figure it out?
           
        • 70DusterBob

          70DusterBob Well-Known Member

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          Yeah, it was the distributor. Never heard one make that kind of noise, I guess the bearings dried up over the past 7 years. It sits a lot, about a week at a time, then if I'm not driving it, I will just warm it up and shut it off.

          Do you know how long a stock electronic ignition distributor usually lasts?
           
          Last edited: Jun 22, 2017
          • Thanks! Thanks! x 1
          • halifaxhops

            halifaxhops It's going to get stupid around here! FABO Gold Member

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            Have you been oiling it? That felt piece under the rotor is to lube the advance cam plate just a few drops of oil each time you go in there is fine, that is the biggest issue I see rebuilding them. Also check the shaft bushings if you can actually move the shaft sideways they are done, I have allot of cores if needed or can build one also.
             
          • 70DusterBob

            70DusterBob Well-Known Member

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            Thanks Halifaxhops for the offer, and the info. Never been told to oil the thing. Yeah it wiggled sideways. Not horribly, but maybe 1/64th to 1/32nd of an inch.

            I have a lifetime warranty with O'Reilly's. Already swapped it out, and I don't have another electronic one for backup that I could send you as they want the core, how much would you want for what fits a 1975 360, but I think the actual distributor is out of a late 70's or early 80's Fury. I appreciate your offer to rebuild it and I will look for the felt pad. I can get you more info on the year and stuff of the distributor in my Duster by asking O'Reilly's to reverse check the part number, like see what the part number fits.
             
          • halifaxhops

            halifaxhops It's going to get stupid around here! FABO Gold Member

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            Send me the info, year, motor, at or mt I have a book on them. That oil thing I just learned about doing these, I never knew about it and have been doing tuneups since the 70's, I will do a rebuild thread on these one day.
             
          • halifaxhops

            halifaxhops It's going to get stupid around here! FABO Gold Member

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            Hey just thinking when it is out check the oil pump shaft bushing, 1 out of 200 distributors have shaft bushing issues so something is doing it.
             
          • halifaxhops

            halifaxhops It's going to get stupid around here! FABO Gold Member

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          • 70DusterBob

            70DusterBob Well-Known Member

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            I can go to O'Reily's Online, maybe I can type in the part number and it will tell me what year it is for.

            I already put it in, runs great. What kind of issues do the 1 in 200 have?

            Thanks
             
          • 70DusterBob

            70DusterBob Well-Known Member

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          • 70DusterBob

            70DusterBob Well-Known Member

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            Don't see the felt pad under the rotor on this one, is it not showing.
             
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