78 series Troopy
Submitted: Wednesday, May 24, 2006 at 17:53
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Member - Mike H (VIC)
G'day Folks,
has any of you got some info on the gearbox problems with the 78 series troopy?
Have just been told by a Rental company that this is a real problem and that
they are changing gearboxes every week on those vehicles.
Who knows any details?
Thanks,
Mike.
Reply By: Geoff (Newcastle, NSW) - Wednesday, May 24, 2006 at 18:45
Wednesday, May 24, 2006 at 18:45
Hi Mike,
You need to be a little more specific as there are two gearboxes in the 78-79 Series Landcruisers.
The H151F is fitted to the normally aspirated 1HZ diesel. It's also fitted to the Prado and most likely to be the one you speak of.
The petrol and turbo diesel 78-79's are fitted with the H150F gearbox, a much more substantial unit.
The H151F has a two piece output shaft, a sleeve splined to an outer shaft. Apparently they wear in the splines and you get a clunk in the drivetrain eventually leading to the splines stripping and a total loss of drive.
What rental company might that be? It may be more related to the class of hirer than the vehicle!
Davoe would be the man to comment on this one as he drives 79's for a living.
Geoff.
| Geoff,
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Follow Up By: Member - Phil G (SA) - Wednesday, May 24, 2006 at 19:29
Wednesday, May 24, 2006 at 19:29
Hi Geoff,
Replace every "H151F" in your post with "R151F" :-)))
To my knowledge, only the 1Hz troopies (with R151F) from about 2000-2002 are affected. Usually the problem becomes evident sometime after 100,000km. Fix it now, they'll fit the stronger shaft and problem is solved.
Yep, the H150F is trouble free and made for the more powerful engines that come with the petrol and TD troopies and traytops.
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Follow Up By: Geoff (Newcastle, NSW) - Wednesday, May 24, 2006 at 20:04
Wednesday, May 24, 2006 at 20:04
Hi Phil,
Yep, you've got it in one.
That's what happens when you're trying to concentrate on two things at once!
Geoff.
| Geoff,
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Grey hair is hereditary, you get it from children. Baldness is caused by watching the Wallabies.
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Reply By: The Rambler( W.A.) - Thursday, May 25, 2006 at 01:05
Thursday, May 25, 2006 at 01:05
Mike,
There has been a lot of discussion on this topic recently on the Troopy site and yes it is a real problem with the diesel non turbo 78 &79 series two piece shafts between about 2000 and 2003.I own a 2001 Troopy doing 138000km with no problems so far but I will be looking at an upgrade before my next big trip.While I was in
Kununurra last year they were doing 3 repairs at the dealership and a friend of mine also had one fail at 117000kms.I have seen the offending sleeve and it looks as weak as p**ss sao am not suprised that it fails.There are different costs involved and I have heard figures between $900 -$3000 depending on what you get done while the box is dismantled.Not good but if that is all wrong with the trusted Troopys over the years I can live with that.
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Follow Up By: stevesub - Thursday, May 25, 2006 at 07:50
Thursday, May 25, 2006 at 07:50
It is the ONLY problem that we have had with our Troopy and it is now at 210,000km. Great truck that feels like it will go forever.
Ours cost just under $3000 to get done but we also got a new heavy duty clutch fitted at the same time that cost 1/3 of the cost. Our mileage was around 170,000km from memory when we lost all drive.
Stevesub
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