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Old 09-30-2005, 08:38 AM   #1
H.G
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knocking sound

hey lads.. thought Id ask for ideas on a noise Ive got in the TJ
when accellerating it makes a knocking sound.. it sound like its in the driveline to me as its in sync with the engine.. it when your taking off mainly.
I cant really hear it when Im on the hwy at all.
when in low range it was as I was slowing down or speeding up as well.

I know its a vague description but its the best I can do..
any suggestions would be appreciated
thanks
H.G

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Old 09-30-2005, 09:56 AM   #2
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Hm..I would check your driveshaft u-joints as well as your engine/trany/t-case mounts too. Getting any codes?

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Old 09-30-2005, 05:38 PM   #3
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nope.. no codes what so ever
greased up my drive line and front end the tother day as well.
it also has a squeal to it.. kinda like canarys chattering
Ive tried spraying the diff seals arouund the drive shafts with no sucess so Im out of ideas..
I wish I was more mechanically minded
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Old 09-30-2005, 05:47 PM   #4
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Quote:
Originally Posted by H.G
nope.. no codes what so ever
greased up my drive line and front end the tother day as well.
it also has a squeal to it.. kinda like canarys chattering
Ive tried spraying the diff seals arouund the drive shafts with no sucess so Im out of ideas..
I wish I was more mechanically minded
With the sound you are describing it is definitely the ujoints probably in your rear shaft. I am assuming with your rig you have a CV style rear driveshaft right? If so start with the CV. It is probably time for a rebuild.
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Old 09-30-2005, 07:15 PM   #5
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oh yeah....angry birds in the driveline is almost always(if not always) u-joints. i'll be rebuilding my own front driveshaft this coming week or so and will be posting the write-up on Jeep Article, so be sure to look for that later. It's not really hard, just need a vise and a couple hand tools.
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Old 10-01-2005, 02:31 AM   #6
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yep it is the front UJ.. as loose as a babys rattle
will be repairing on monday morning..
glad it never buggered up when I was giving the old jeep some stick..
just had 4:56 ratios with ARB air lockers installed and put on a K&N FIPK thingo..
you know how it is.. ya gotta drive it like ya stole it when you add new bits hehe
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Old 10-01-2005, 06:22 AM   #7
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Did you win the lotto HG???
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Old 10-01-2005, 07:32 AM   #8
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Originally Posted by andy_n
Did you win the lotto HG???
Just sounds like he got a case of the "mightaswells" to me... Well, since I have to regear it anyway, I mightaswell put in ARB's instead of buying a new open carrier, they aren't going to charge me for the labor... That's how I ended up with ARB's in my last rig!
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Old 10-01-2005, 10:05 PM   #9
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shhhhh andy.. its a secret.
Ive done alot of things I havent posted on ausjeep hehe.

and jeeperman you are 100% correct they said I would save about $1000 if I did it all in one hit. otherwise its 2x labour which is the biggest killer
might as well syndrome. its a curse and a blessing all in one hit
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Old 10-06-2005, 04:59 PM   #10
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now your getting a hard top aswell.........you ve been pimping yourself out again haven't you!
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Old 10-07-2005, 03:16 AM   #11
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hehe stu,... yep and I must take the time to thank you for your continuing business
it makes it all worth while
:P

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