Prado Transmission Noise / Vibration

Submitted: Thursday, Apr 22, 2004 at 06:30
ThreadID: 12276 Views:3053 Replies:5 FollowUps:1
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Folks, first post on the BB. Have been reading but alas, I require your assitance.
I drive a 2003 Prado GXL 3l Manual Turbo Diesel and have been experiencing a vibration and noise from the drive train under load conditions in 4th gear (but I also suspect it to be present in the other gears)

The problem is experienced as a distinct shaking of the vehicle with a whooshing sound coming form around the gearbox area when accelerating from 1500 to 2000 RPM on an incline in 4th gear. On flat road I can accelerate through all the gears with not problem, the same account for a downhill. On an incline I can do the same acceleration going through all the gears. However should I decide to putt my foot down while in 4th the vehicle shakes violently from 1500 till 2000 RPM from where it is smooth again. This only happened on an incline and is very noticeable in 4th, though I suspect that it could be in other gears as well.

What could this be?
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Reply By: Member - Jeff M (WA) - Thursday, Apr 22, 2004 at 13:23

Thursday, Apr 22, 2004 at 13:23
How many k's on it? Could be uni joints or somthing similar. Might need replacing or just a good wallop of grease. I'm no mechanic mind you, others may disagree. The other thing to look at as well is sand or mud stuck on the drive line somewere. had that on my rocky once in winter, awful vibrations through the transmission, took it in to get the uni joint replaced as that's what I thought it was, my mechanic stuck a hose under the car and she was right in 10 seconds! ;-)
AnswerID: 55492

Reply By: Bongani - Thursday, Apr 22, 2004 at 17:23

Thursday, Apr 22, 2004 at 17:23
Its got 58 000km on the clock. Vehicle is 1,5 years old and still under warantee (another 3.5years) Took it to the dealers this morning.
AnswerID: 55527

Follow Up By: GO_OFFROAD - Thursday, Apr 22, 2004 at 18:11

Thursday, Apr 22, 2004 at 18:11
And what was the dealer response?
0
FollowupID: 317401

Reply By: Bongani - Thursday, Apr 22, 2004 at 18:43

Thursday, Apr 22, 2004 at 18:43
The dealer acknowledged that there is a problem. The vehicle is now with them to investigate.
AnswerID: 55543

Reply By: floyd - Thursday, Apr 22, 2004 at 19:09

Thursday, Apr 22, 2004 at 19:09
Sounds like a loose flange. Check that all nuts and bolts are done up correctly and make sure none are missing. Check all bolts from gearbox to diff. Could be mud too however this should be thrown out pretty quickly.

Is it full time or part time 4WD
AnswerID: 55550

Reply By: Bongani - Thursday, Apr 22, 2004 at 19:13

Thursday, Apr 22, 2004 at 19:13
Parden my ignorance, but what is a flange? The vehicle is a permanent 4x4 with LSD in the centre with central locking override and a host of other electronic wonders.
AnswerID: 55553

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