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Bolt for the roll bar? #822996 07/04/07 05:31 AM
Joined: Jun 2003
Posts: 137
W
WolvesCross Offline OP
Wheeler
Does anyone know what the bolt size is on the side of the factor roll bar on a 85 toyota 4runner. I'm making a half soft top for my runner and i want to mount some suport bars for the half top.


85 Toyota 4Runner SR5 4X4 4cyl. EFI(Procomp 4" lift)
From the Off-Road World
Re: Bolt for the roll bar? [Re: WolvesCross] #822997 07/04/07 07:55 AM
Joined: Dec 2006
Posts: 138
rustylux Offline
Wheeler
Do you mean the bolt that supports the top of the seatbelt? I'm pretty sure they're 7/16 UNF x 2.5" bolts.


Re: Bolt for the roll bar? [Re: rustylux] #822998 07/05/07 12:24 AM
Joined: Jan 2007
Posts: 241
C
canuck Offline
Wheeler
Won't be a 7/16 UNF as all bolts on a Toyota are metric. Dont know metric size but the thread will look similar to a UNF. It will probably be a 8mm. Everybody confuses metric bolts with UNF (national fine).


Keep the Shiney Side up. Support our troops.
Re: Bolt for the roll bar? [Re: canuck] #822999 07/05/07 02:54 AM
Joined: Jul 2002
Posts: 1,674
stock87 Offline
Body Damage is Cool
Quote
Won't be a 7/16 UNF as all bolts on a Toyota are metric. Dont know metric size but the thread will look similar to a UNF. It will probably be a 8mm. Everybody confuses metric bolts with UNF (national fine).


Actually it may be the one exception since seatbelt legislation of the era was mainly a U.S. thing. Pretty sure another thread on here mentioned it being a non-metric thread as well.


My Truck: 1987 XtraCab DLX 22R 4WD 5 Speed Manual
--------------------
"Speed has never killed anyone. Suddenly becoming stationary, that's what gets you." -Jeremy Clarkson
Re: Bolt for the roll bar? [Re: stock87] #823000 07/05/07 04:14 AM
Joined: Sep 2005
Posts: 970
R
RatLabGuy Offline
Rock Warrior
Quote
Quote
Won't be a 7/16 UNF as all bolts on a Toyota are metric. Dont know metric size but the thread will look similar to a UNF. It will probably be a 8mm. Everybody confuses metric bolts with UNF (national fine).


Actually it may be the one exception since seatbelt legislation of the era was mainly a U.S. thing. Pretty sure another thread on here mentioned it being a non-metric thread as well.


That is correct. It's not metric. Drive's me nuts every time I remove the ones I have in there.
I don't know what the bolt shaft size is, but it's a 5/8" head. I don't know what the thread pitch is, but it's damn close to 1.25mm, as an M10 1.25 (***** 14mm head bolt) will thread into it ok but is too loose to hold. That should be enough info to work backwards on...
Same bolt holding the rear lap belts in place too. only an option on American versions, so were re-rooled just for here. How annoying.

On this note (not to hijack) I'd actually prefer to have shoulder belts for the rear but never actually seen any. Does anybody carry these?


With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
-----------------------------
'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah
Re: Bolt for the roll bar? [Re: RatLabGuy] #823001 07/05/07 03:32 PM
Joined: Feb 2001
Posts: 1,681
fourwd1 Offline
Body Damage is Cool
Quote
Quote
Won't be a 7/16 UNF as all bolts on a Toyota are metric. Dont know metric size but the thread will look similar to a UNF. It will probably be a 8mm. Everybody confuses metric bolts with UNF (national fine).



On this note (not to hijack) I'd actually prefer to have shoulder belts for the rear but never actually seen any. Does anybody carry these?


It is 7/16, and you can order the shoulder belts thru the dealer (at least you could a year or so ago), they came stock on Canadian models.


- seen in FOUR WHEELER mag July 2006 & OFF-ROAD mag Feb 2007 -
'84 4Runner ARBed 5.29s F&R,4.7 & 2.28 t-cases,hy-steer,BudBuilt skid,30spl Longs,36" TSLs,Chevys

'83 P/U, Buick 231 V6,Holley 4 bbl,Weiand intake,Downey headers,TH350 w/700R4 gearset
Re: Bolt for the roll bar? [Re: fourwd1] #823002 07/05/07 06:00 PM
Joined: Aug 2003
Posts: 480
MAC Offline
Mudrunner
My local dealer told me that the rear shoulder belts were not available anymore. I bought a set a few years back and they were $150. Someone here on this board (I think) posted details of how to use some standard toy belts to do the same job. Anyone remember that?

Re: Bolt for the roll bar? [Re: RatLabGuy] #823003 07/05/07 09:07 PM
Joined: May 2002
Posts: 186
J
jmsdad Offline
Wheeler
Quote

On this note (not to hijack) I'd actually prefer to have shoulder belts for the rear but never actually seen any. Does anybody carry these?


You can use the front belts from any truck or 4Runner or Rear belts from an Isuzu Trooper-$20 at the PNP...

[Linked Image]

Just realize that if you use the front belts, they will be long and will not retract all the way.

These belts have been in for 3 years and my kids/passengers are happy with them. No more snug/locking anoying lap belts.

Re: Bolt for the roll bar? [Re: WolvesCross] #823004 07/05/07 10:34 PM
Joined: Dec 2006
Posts: 138
rustylux Offline
Wheeler
My guess on a 7/16 unf thread was a pretty well educated one. My old job was doing Australian compliance modifications to japanese imports. This included replacing seatbelts in EVERY car with new ones. It is law that any retractable inertia seatbelt be mounted with a 7/16 unf bolt. Just as a useless tidbit you'll probably find that the child restraint anchorages are imperial thread too (5/16 UNC).

The 1988 Hilux surfs (4runners) we used to import from japan had NO rollcage in them at all. We had to fit them. The japanese don't really seem to care about their own safety when building JDM vehicles.


Re: Bolt for the roll bar? [Re: fourwd1] #823005 07/10/07 08:26 PM
Joined: Oct 2003
Posts: 75
cam01 Offline
Getting the Wheeling Fever
Quote

It is 7/16, and you can order the shoulder belts thru the dealer (at least you could a year or so ago), they came stock on Canadian models.


Not on any of the Canadian models I've seen around. They were an option up here as well until 90 when they changed the body style.


88 V6 4Runner, 3.4 swap, SAS, front E locker, rear EZ locker, dual cases 2.28/4.7, 63" Chev rears, rears up front etc.

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