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Clunking sound on acceleration. 86 brat.

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i get a popping/clunking sound when i accelerate. it doesnt do it if im real easy on it. i just replaced driver side inner and outer tie rods , but it did it before too. went over to bratman's ( i bought it from him ) and we went over it and everything appears to be tight in the front end. any ideas ? thanks

Did you check wheel bearings? Im about to do tie-rods on my 86 GL Sedan, but the passenger side wheel bearing tightened things up quite a bit and although it didnt make a TON of noise, when we pulled it out, GD said it was toast. Not a clean rounded bit on the bearings.

Axles. DOJ to be exact, side closest to the trans. My loyale did the same thing. Clunk/popping on acceleration but not after I got up to speed, and didn't if I was easy on it, and not in corners. Everything solid up front as well, nothing stood out. Replace the axle, no more funny sounds!

Bearings and axles are fine. Definitely not either of those. It's hard to explain. Seems like something is loose, like a lift block, or a mount or something, but there is nothing loose

Thought mine were fine too. Several months later and trying to figure it out, finally swapped the axle, noise went away.

 

Why do you think they are fine? Even new reman axle can do this same thing. Unless you replaced them with OEM, I would suspect the axles...

I would assume he saw the boots were intact and considered them fine.

When I replaced mine the boots looked ok it just cooked all the grease out and it was super stiff

Thought mine were fine too. Several months later and trying to figure it out, finally swapped the axle, noise went away.

 

Why do you think they are fine? Even new reman axle can do this same thing. Unless you replaced them with OEM, I would suspect the axles...

 

I consider them fine, because it does not feel like the axle. I drove it last night. I have had more bad axles than I could even count, and this does not feel like a bad axle, or sound like one. Like I said, it's hard to explain the symptom.

Try checking the tranny mounts if you haven't all ready. Pain to change but it fixed the hammering on my Brat

 

Shawn

Try checking the tranny mounts if you haven't all ready. Pain to change but it fixed the hammering on my Brat

 

Shawn

 

I checked them. The rubber is quite flexible, but they aren't broken. And it's a little more involved on this to change the tranny mounts as it is a custom mount for the 5 spd dual range swap.

Could it be a slippy clutch? Maybe an oil leak from transmission or main seal?

 

Or a lose bolt on the bellhousing.

  • 4 weeks later...
  • Author

well its still doing it. it sounds like its a rotating clunk , wheel baearing or axle. ive been too busy to tear into it latley.

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