Prado autotrans oil leak

Submitted: Wednesday, Apr 09, 2008 at 15:48
ThreadID: 56474 Views:3213 Replies:3 FollowUps:4
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Have 2005 120 Td Auto Prado, developed oil leak in transmission on way west. Appears to be out breather?, leak is high on box hard to see exactly where from. Has anyone else had this problem. Done 30000 kms Been into Toyota dealer at Wongan Hills and after clean-up cannot reproduce leak. Only interested in reply's to 120 series diesel as different box to petrol. Thanks in advance
Charlie M
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Reply By: Member - Andrew L (WA) - Wednesday, Apr 09, 2008 at 16:04

Wednesday, Apr 09, 2008 at 16:04
Have you have it serviced recently? A mate had the same issue - they had overfilled the trans. Once it had the correct amount of fluid the leak stopped.

leachy
AnswerID: 297598

Follow Up By: Member - David P (VIC) - Wednesday, Apr 09, 2008 at 16:33

Wednesday, Apr 09, 2008 at 16:33
I agree, the tech can be a bit heavy handed, probably found its right level all by itself , If its not slow to take up reverse, shud be ok....silverback
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Follow Up By: Member - Charlie M (SA) - Wednesday, Apr 09, 2008 at 18:11

Wednesday, Apr 09, 2008 at 18:11
Hi Andrew
Nothing has been done to tran from new
Charlie
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Reply By: A J - Wednesday, Apr 09, 2008 at 17:08

Wednesday, Apr 09, 2008 at 17:08
Charlie - I recently had my prado checked out for registration (inspection required each year) the toyota agent advised that I had a hair line crack in the transfer case coming from the filler plug. Asked if this was common - they said no at first and that they had only seen one before on a L/C. After a while they advised that this was the third on a prado and they had had the others welded by a local engineer.

A J
AnswerID: 297608

Follow Up By: Member - Charlie M (SA) - Wednesday, Apr 09, 2008 at 18:15

Wednesday, Apr 09, 2008 at 18:15
Hi A J
That was my line of though when I next spoke to service manager, having it drained and refilled with new fluid and doing a run to Karratha on Saturday to see how it goes. Any fault/leak will be able to have rechecked before going back to SA.
Charlie
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Reply By: time waster - Thursday, Apr 10, 2008 at 07:43

Thursday, Apr 10, 2008 at 07:43
I had the same problem with our 05 Auto hilux when towing up hills it was the trans temp getting too high and spitting out the top breather.

One day it went over the exhaust and the smoke out the back I thought the motor had gone.

You may need to look at a trans cooler or don't gas it too much when driving.
AnswerID: 297714

Follow Up By: traveller2 - Thursday, Apr 10, 2008 at 10:43

Thursday, Apr 10, 2008 at 10:43
Be very careful with hot ATF getting onto exhaust components, that's how the older Jeep Cherokee's went up in flames with monotonous regularity at places like Stockton beach.
Pushing hard in soft going especially in high range results in the ATF overheating and expanding so much it overflows onto hot exhaust and flambe' one Jeep.
Funnily enough it is worst on cooler days as the cooling system isn't overloaded by the heat from the trans. On hot days the cooling system is overloaded and shuts the engine down when it overheats before they catch fire.
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