100 Ser Gearbox

Submitted: Saturday, Jan 21, 2006 at 11:20

ThreadID: 29945 Views:2548 Replies:10 FollowUps:6

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Johnny boy

Hello and help to anyone out there !!
yesterday 20/01 2006 would have to be about the worst birthday that I have had in 37 yrs , my wife and I took the kids out for a drive as you do and as we were approaching the on ramp of the F4 in syd my wife attempted to select 3rd gear and a nasty grind sound came from the cruiser we pulled over and I had a go at selecting 3rd & 4th and as it would go in gear but would not engage then would be very stiff to get back out of gear 1st ,2nd,5th & reverse still work well, we luckily had just gotten back from south west rocks and my wife recalls having trouble selecting 4th , I dont know if this is a common problem or if anyone has had or heard of this but if anyone has any usefull input I would greatly appreciate it , this is a 1998 mod diesle with 190,000 km on the clock it had a new daiken clutch installed about 80,000km 4yrs ago I know that I must sound a little desperate and that would be because ( I AM!!) well thank you to all that have taken the time to read this post and I hope to hear from some of you soon .

Regards J,B.

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Reply By: Member - Hughesy (SA) - Saturday, Jan 21, 2006 at 13:02

Saturday, Jan 21, 2006 at 13:02

JB,

If you've got the vehicle at home I'd drop the gbox oil and see what comes out. It should have a magnetic plug for the finer bits and then strain the oil for any big bits. If there is nothing untoward here then it might just be a selector lever on the side of the box or something else simple (well hope that is the case anyway).

AnswerID: 149999

Follow Up By: Johnny boy - Saturday, Jan 21, 2006 at 13:15

Saturday, Jan 21, 2006 at 13:15

Thanx mate when I get it home I will try it , well it cant hurt and Im sure as hell am going to pray that it is something simple because some blokes are telling me that the last box they did was between 2 & 4 k but I dont know y they get it done as it will cost between 3500 /4000 to buy a box from toyota and fit it myself well I better not jump the gun .
thanx again Hughesy.

Regards J.B.

FollowupID: 403343

Reply By: dieselup - Saturday, Jan 21, 2006 at 13:46

Saturday, Jan 21, 2006 at 13:46

Give the guys at All4x4 in Newcastle a ring ,you'll find them on the net
they should be able to help
good luck with it

AnswerID: 150003

Reply By: tour boy - Saturday, Jan 21, 2006 at 14:00

Saturday, Jan 21, 2006 at 14:00

Hi, I know that 100s have a problem with the shaft between the g/box and t/case the spline spins on the shaft but I think that this results in no drive at all. Toyota know about it and if pressed hard enpogh will repair with a superseeded part that has a longer spline that is made as part of the shaft.
I hope that it is only that.
Regards
Tour Boy just up the hill.

AnswerID: 150005

Reply By: Peter 2 - Saturday, Jan 21, 2006 at 14:40

Saturday, Jan 21, 2006 at 14:40

Not an uncommon problem, i've got a friend with a 100 who is on his third gearbox, family car and no 5th gear towing. If in need of parts try Don Kyatt at 7hills as they have Tojo parts much cheaper than genuine.

AnswerID: 150009

Follow Up By: Johnny boy - Tuesday, Jan 24, 2006 at 15:28

Tuesday, Jan 24, 2006 at 15:28

Thanx Peter and thanx everone also!!
The Verdict - 3rd & 4th selector Inner hub is the problem!
Remedy - Gen TOYOTA $138.00
Don Kyatt $74.75

G/T -bearings $450.00
-seals $42.00

D/K gearbox kit -$307.30

I think I will be going to 63 POWERS RD SEVEN HILLS SYD N.S.W
(02) 9674 6911.
I spoke to the guys down there and they were more than helpfull
5 stars *****

thanx again Peter I will keep you all posted .

Regards J.B.

FollowupID: 404070

Reply By: Nav 8 - Saturday, Jan 21, 2006 at 15:22

Saturday, Jan 21, 2006 at 15:22

GDay Johnny,,,,This may sound strange but try lifting the gear stick up and then changeing gears. The older Toyota gearboxes had a fault that occured sometimes in that the ball of the gearstck in the top of the box sat on a soft bush to dampen any noise or viabration. This bush sometimes breaks up letting the gearstick drop down enough to disengage from the selectors, the thin part of the stick is still in the selector gate allowing some gears to be selected with difficulty and sometimes trying to select two gears at once. If this is the problem the bush is easyley replaced from the top of the box. I hope for your sake this is the problem as a gearbox overhaul as mentioned is big bucks.
Regards Nav.

AnswerID: 150013

Reply By: 120scruiser - Saturday, Jan 21, 2006 at 16:20

Saturday, Jan 21, 2006 at 16:20

If you are getting 1 2 and 5 fine it sounds like something amiss in the 3rd and 4th selector hub. Probably a cracked hub or selector spring that holds the pawls.
Either way its internal and the box has to come out.
Where abouts in Sydney do you live as I have a workshop just of the F4. I don't generally do the gearbox's my self due to time constraints but have a very good person whom I sublet it out to.
Just let me know if you want their contact name. They are in Penrith.

Regards
120scruiser

AnswerID: 150023

Reply By: Member - DOZER- Saturday, Jan 21, 2006 at 20:00

Saturday, Jan 21, 2006 at 20:00

Hi
If you have a standard 100 series, the box is renowned for this problem...as said earlier, Don Kyatt is your friend. Same happened to a friends 105
Andrew.

AnswerID: 150048

Follow Up By: V8Diesel - Sunday, Jan 22, 2006 at 18:24

Sunday, Jan 22, 2006 at 18:24

Diesel 1HZJ105 uses the smaller Prado R151 box, the 1FZE105 petrol has the bigger H151 which is also standard behind the TD 100.

FollowupID: 403595

Follow Up By: Rob from Cairns Offroad Training & Tours - Monday, Jan 23, 2006 at 19:49

Monday, Jan 23, 2006 at 19:49

My last 100 series did the same thing at just on 200k klms. $3000 thank you very much. The gearbox is a bastard to get out too. 100 series you got to love them, oh what a feeling!!! Cheers Rob

FollowupID: 403841

Reply By: Johnny boy - Monday, Jan 23, 2006 at 13:08

Monday, Jan 23, 2006 at 13:08

Hi again all !!
I just got the cruiser home 10 mins ago and Im about to delv in and have a closer look wish me luck because I think Im going to need it?

and a bit more info for u all MOD- HZJ105R
ENG- 1HZ
TRANS-R151F ( I think?)
built-11/04/98

just in case that helps.

Regards J.B.

AnswerID: 150296

Reply By: volkan - Monday, Jan 23, 2006 at 23:49

Monday, Jan 23, 2006 at 23:49

sorry to here about your dramas johnnieboy, forgot your b day again,
c u for a drink soon
good luck

AnswerID: 150486

Follow Up By: Johnny boy - Tuesday, Jan 24, 2006 at 14:20

Tuesday, Jan 24, 2006 at 14:20

Your shout??

dont forget the rods for thursday .

Cya!

FollowupID: 404047

Reply By: Member - Phillip S (WA) - Tuesday, Jan 24, 2006 at 01:57

Tuesday, Jan 24, 2006 at 01:57

JB...how did you go with your gearbox....I have a 99 troopy and my gearbox went at 103000 k's....had to replace the lot..g/box plus the output shaft..cost a lot of money but I think I am over it now..regards Phil

AnswerID: 150500