Toyota 78/79 series gearbox problems

Submitted: Monday, Jan 26, 2004 at 14:41
ThreadID: 10021 Views:16284 Replies:7 FollowUps:11
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Hi...Just wondering how many people are having problems with the new gearboxes in the 78/79 series cruisers..I had mine strip the intermediate shaft @ 110000 km-(Was stuck in the bush and had to be towed out by a commodore)I'm no expert but the intermediate shaft has only about 20mm of spline connecting the gearbox with the transfer case...looks damm flimsy to me..the only warning I had was some backlash in the driveline...The thing that annoyed me was that I rang the toyota helpline and a dealership and they said they had never heard of problems with these gearboxes-but when I contacted a non genuine dealer here in WA he has the intermediate shafts on the shelf and they were selling like hot cakes.......The only two other people I know with 78 series cruisers had gearboxes replaced a 60 and 70 K...100% failure rate out of the three I know of seems poor..I've Emailed Toyota twice and no response...

David
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Reply By: simon - Monday, Jan 26, 2004 at 15:11

Monday, Jan 26, 2004 at 15:11
mate i have got a 79 series done 110000 km with a lot of heavy work and no problems with the driveline at all so i suppose i cant really help you
AnswerID: 44363

Follow Up By: djc - Monday, Jan 26, 2004 at 15:35

Monday, Jan 26, 2004 at 15:35
Hi...thanks for the follow up
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Reply By: Truckster (Vic) - Monday, Jan 26, 2004 at 16:27

Monday, Jan 26, 2004 at 16:27
"The thing that annoyed me was that I rang the toyota helpline and a dealership and they said they had never heard of problems with these gearboxes..."

You really expect them to admit the faults? Honestly?

Like Nissan with the early 3.0 GU's... IT would cost them Tens of thousands of $$ and $$ is what its all about... This way they hope individuals will just 'wear' the cost.

Contact a few Toyota Landcruiser Clubs for other members..
AnswerID: 44370

Reply By: Nav 80 - Monday, Jan 26, 2004 at 17:17

Monday, Jan 26, 2004 at 17:17
Toyota have had a problem with their gearbox since the first 5 Speed hit the road in 1983 but you wont get a dealer to admit to it. I spent 20 yrs as a 4WD mechanic and have rebuilt a few in my time including two of my own,I eventualy changed to Nissan after five Toyotas in protest of their failure to do anything about it. Also you need the genuine toyota puller set to get them apart, this puller could be bought in the 90s for about $250-$300 they now will cost you around $1400.00 ,they got you stiched up as far as doing the job yourself. Toyota are a good vehicle still but they have faults like all the others and you pay that extra for them as well.
AnswerID: 44379

Reply By: Outnabout David (SA) - Monday, Jan 26, 2004 at 18:09

Monday, Jan 26, 2004 at 18:09
Djc,

the problem is with that sleeve. This has now been modified in the later boxes so that the sleeve is part of the shaft instead of that sleeve "joiner. Also The old numbers have now superseded to the later type shafts so make sure whoever rebuilds the box does use the modified components. Even some of the dealers may not be aware so ask. At 110K you should get some warranty assistance but don't go thumping the dealers desk. Ask nicely you may get a surprise.We have so little time to enjoy our land
AnswerID: 44383

Follow Up By: djc - Monday, Jan 26, 2004 at 18:15

Monday, Jan 26, 2004 at 18:15
Hi...thanks mate...My gearbox has already been repaired but with the same type of sleeve as it originally came with...Thanks for the tip ...I'II know next time -although I dont really want a next time...any idea when they changed to the updated shaft??

dave
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Follow Up By: Diesel1 - Monday, Jan 26, 2004 at 20:13

Monday, Jan 26, 2004 at 20:13
Dave,

Check out the change date for the updated shaft with someone in Toyota spare parts - any modified parts are denoted by a suffix alpha letter attached to the part number. A part that has been modified once carries the suffix letter 'A' - if it has been modified 3 times it carries the letter 'C'. If you have no luck post a message on the forum and I will chase it up for you.

Diesel1
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FollowupID: 306597

Follow Up By: Outnabout David (SA) - Wednesday, Jan 28, 2004 at 11:25

Wednesday, Jan 28, 2004 at 11:25
Djc,

If it was replaced with the same then you will probably have the same problem down the track sometime. I hope you got it fixed at a dealer and got some warranty assistance or ........ouch $$$$. If so they should have been aware of the modification. It is the same shaft as fitted standard from Sept 2003 production part no 36211 60090 but you may also need other parts so check your invoice for this number.We have so little time to enjoy our land
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Follow Up By: Outnabout David (SA) - Wednesday, Jan 28, 2004 at 11:29

Wednesday, Jan 28, 2004 at 11:29
Diesel 1,

Your info is incorrect as Donk suggests and that is coming from 30 years selling Toyota genuine.We have so little time to enjoy our land
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Reply By: Richard Kovac - Monday, Jan 26, 2004 at 21:28

Monday, Jan 26, 2004 at 21:28
David
Which gearbox do you have, post 2002 78/79 have two diffrent gearboxes fitted to them 1HZ = R151F box 1FZ & HDJ HAVE THE H150F in them
can you tell me which engine and gearbox and what sort of body

Regards

Richard
AnswerID: 44403

Follow Up By: djc - Tuesday, Jan 27, 2004 at 02:02

Tuesday, Jan 27, 2004 at 02:02
Hi...my one is a 9/99 HZJ78(Diesel troopie)...I will check the trans No tomorrow....Thanks
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Reply By: donk - Monday, Jan 26, 2004 at 23:48

Monday, Jan 26, 2004 at 23:48
Diesel1 posted this followup

Dave,

Check out the change date for the updated shaft with someone in Toyota spare parts - any modified parts are denoted by a suffix alpha letter attached to the part number. A part that has been modified once carries the suffix letter 'A' - if it has been modified 3 times it carries the letter 'C'. If you have no luck post a message on the forum and I will chase it up for you.

Diesel1

Diesel1

This information that you have posted regarding toyota part numbers is incorrect

Outnabout David, i am sure will agree with me on this

Best wishes to all at Wright Street David

Regards Don
AnswerID: 44428

Follow Up By: Diesel1 - Tuesday, Jan 27, 2004 at 07:27

Tuesday, Jan 27, 2004 at 07:27
G'day Don,

I stand corrected if I have passed on the wrong info - I got it from a Toyota parts guru a couple of years back when I was working the spanners in a dealership.

He may have told me that just to stop me bitchin' about delays in parts supplies for the job I was working on. I'll go and slap him around a bit to find out if he was p**sing in my pocket.

Diesel1
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Follow Up By: robert4615 - Wednesday, Jan 28, 2004 at 00:08

Wednesday, Jan 28, 2004 at 00:08
diesel 1, i also have the 151f trans that seems to have problems. we have a 2000 troopy with the 1HZ diesel. would appreciate if you could post the part #'s needed to correct the problem. i believe that this would be of help to many landcruiser owners on this forum. cheers, robert
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Follow Up By: Diesel1 - Wednesday, Jan 28, 2004 at 07:01

Wednesday, Jan 28, 2004 at 07:01
G'day Robert,

I don't have immediate access to the part #'s, but I'll be doing a trip into town in a couple of weeks and I'll see if my mate in Toyota parts will give me a list of what is required. If I remember correctly, there was a service bulletin in relation to the problem and I might be able to get a copy of that also.

Diesel1
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Follow Up By: Outnabout David (SA) - Wednesday, Jan 28, 2004 at 11:31

Wednesday, Jan 28, 2004 at 11:31
Diesel 1,

Your info is incorrect as Donk suggests and that is coming from 30 years selling Toyota genuine.

Hey Don, hello back, when are you hitting the road back south again? Drop me a line or email me.We have so little time to enjoy our land
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FollowupID: 306757

Follow Up By: Diesel1 - Thursday, Jan 29, 2004 at 08:08

Thursday, Jan 29, 2004 at 08:08
I bow down to your experience David. I'm just a poor dumb mechanic who doesn't know jack sh*t when it comes to part numbers, but I will say this: after 35 years of working the tools and listening to bullsh*t excuses from many parts interpreters, you begin to wonder who is fair dinkum and who isn't.

As I pointed out to Don, I stand corrected.

Diesel1

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FollowupID: 306840

Reply By: Outnabout David (SA) - Thursday, Jan 29, 2004 at 14:40

Thursday, Jan 29, 2004 at 14:40
Diesel1,

No worries. To much bull goes round this industry and all industries for that matter, especially the gold chain brigade!. I wasn't having a go at you, far from it just . Some parts do have letters but they are usually related to color specific parts. years ago some f the passenger car stuff had letters to denote interchangeability but never on the imported 4wd stuff.We have so little time to enjoy our land
AnswerID: 44745

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