Is the sound that is coming from the bottom of the tranny. I have pulled the cover and tightened the hell out of the flex plate bolts, and visually checked for cracks. It cannot be the exhaust, or the tcase. What else in there could make this sound. It only does it when i am at hard flex, or when i first put a load on it? It will idle doing it if it is flexed. Any suggestions?
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rocks in a can
- Thread starter wvredxj
- Start date
joe_peters
NAXJA Forum User
- Location
- Grants Pass, OryGun
Well, once upon a time (actually, it was twice) the cats on my full-size Bronco went to Heck (place right next door to H_LL) and the honeycomb was slamming around inside the housing--pert near made me go deaf!
Check your cat.
Check your cat.
- Location
- Columbus, In
x2 that sounds like a cat to me. Hit it with a hammer to see if you hear that rattling noise. Don't beat the hell out of it though!
i guess the loose leaf spring clamp is more of a rattle than a rocks in a can sound.
X9x A T I x7X
NAXJA Forum User
- Location
- Pennsylvania, New York, Delaware
I have no idea. It sounds like my Cat does right now. Every cat I put on does the same thing, so i'm done replacing them.
BrokenXJ
NAXJA Forum User
- Location
- Massachusetts
If it's only doing it at hard flex, it may be your front driveshaft yoke rapping on your down pipe. Check the down pipe for dents.
jeepman121
NAXJA Forum User
- Location
- Ohio
Could this be a bent or cracked flywheel?...
joe_peters
NAXJA Forum User
- Location
- Grants Pass, OryGun
Bent or cracked flexplate would be a somewhat consistent noise, "rocks in a can" would be random.
jeepman121
NAXJA Forum User
- Location
- Ohio
Could bad motor mounts assist this??
joe_peters
NAXJA Forum User
- Location
- Grants Pass, OryGun
Yes, motor and trans mounts could be allowing that much shifting.
wishihad1
NAXJA Forum User
- Location
- charlottesville, VA
let me guess...does it idling on hills, under load, accelerating. but on flat ground under no load doesn't make any noise. and quits making noise whenever you let off the gas.
also wont do it in neutral.
had a torque converter do this one time. im not sure what the cause was. i think it was a worn bushing, but shimming it out just a little resolved the problem
also wont do it in neutral.
had a torque converter do this one time. im not sure what the cause was. i think it was a worn bushing, but shimming it out just a little resolved the problem
- Location
- San Diego
check the harmonic balancer. when mine was going out, the rubber in between the two pieces was sticking out and hitting the mechanical fan. that and bad motor mounts could cause it to only be intermittent