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Landcruiser Bypass Hose

Tech Talk for Cruiser owners.

Moderators: toaddog, Elmo, DUDELUX

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Posts: 127
Joined: Mon Apr 18, 2005 7:37 pm
Location: Godwin Beach

Landcruiser Bypass Hose

Post by mac1cruz »

I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz
Posts: 4225
Joined: Tue Jun 17, 2003 8:58 pm
Location: sunshine coast australia

Re: Landcruiser Bypass Hose

Post by mud4b »

mac1cruz wrote:I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz

i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
Posts: 1826
Joined: Wed Mar 03, 2004 9:14 pm
Location: nsw

Post by plowy »

id like to know how the oil level from a low point [on the transfer ]can run up a tube to a higher point [ the filler plug on the gbox ] :?
Posts: 127
Joined: Mon Apr 18, 2005 7:37 pm
Location: Godwin Beach

Post by mac1cruz »

I dont know much about gearboxes so i dont know if the seal is working or not.Ive never serviced the gearbox but iam about to do a service on all filters and oils and i wanted to know if fitting one of these hoses adds any benifit to the gearbox at all.
Its a 92 model thats about to clock over 300k and ive just had a major overhaul on the front end including airlocker and iam wanting to fit 33"s or 35"s on her but iam affraid the gearbox-transfer my not hold up to my expectations.
I can feel a bit of heat coming through the floor when ive been 4wd for along time and when iam on the beach in 3rd and 4th high i can hear a faint grinding so maybe its time to get the poor old box rebuilt $$$$$$$..
Posts: 619
Joined: Thu Nov 03, 2005 11:20 am
Location: vic

Re: Landcruiser Bypass Hose

Post by Hamo »

mud4b wrote:
mac1cruz wrote:I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz

i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
I fitted 1 because oil from the t-case was being pumped in to the gearbox
(slowly)
thus leaving the t-case low and gearbox overfull
[quote="RN"]So do you support your local vendor...not if it is going to cost me almost double. [quote]
Posts: 4225
Joined: Tue Jun 17, 2003 8:58 pm
Location: sunshine coast australia

Re: Landcruiser Bypass Hose

Post by mud4b »

Hamo wrote:
mud4b wrote:
mac1cruz wrote:I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz

i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
I fitted 1 because oil from the t-case was being pumped in to the gearbox
(slowly)
thus leaving the t-case low and gearbox overfull
ok so i got it backwards :roll: ... the point is if its pumping oil from one to the other replace the $10 seal because that is whats causing it.
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
Posts: 5179
Joined: Fri Dec 05, 2003 8:15 pm
Location: Brisbane Australia

Re: Landcruiser Bypass Hose

Post by Shadow »

mud4b wrote:
Hamo wrote:
mud4b wrote:
mac1cruz wrote:I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz

i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
I fitted 1 because oil from the t-case was being pumped in to the gearbox
(slowly)
thus leaving the t-case low and gearbox overfull
ok so i got it backwards :roll: ... the point is if its pumping oil from one to the other replace the $10 seal because that is whats causing it.
the cost of the seal isnt why people dont do it, its cause you have to drop the box to do it which is a pain in the arse, and if its done the seal once its likely that it will do it again in a shorter timeframe.
Posts: 4225
Joined: Tue Jun 17, 2003 8:58 pm
Location: sunshine coast australia

Re: Landcruiser Bypass Hose

Post by mud4b »

Shadow wrote:
mud4b wrote:
Hamo wrote:
mud4b wrote:
mac1cruz wrote:I own a 75 series landcruiser and iam looking to find out any info on these bypass hoses for the gearbox....

What do they do?

Are they a good idea and are they hard to set up?

Thanx Mac1cruz

i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
I fitted 1 because oil from the t-case was being pumped in to the gearbox
(slowly)
thus leaving the t-case low and gearbox overfull
ok so i got it backwards :roll: ... the point is if its pumping oil from one to the other replace the $10 seal because that is whats causing it.
the cost of the seal isnt why people dont do it, its cause you have to drop the box to do it which is a pain in the arse, and if its done the seal once its likely that it will do it again in a shorter timeframe.

i do understand this. we do them often. you dont need to drop the box out. just lower it and remove the t-case..
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
Posts: 619
Joined: Thu Nov 03, 2005 11:20 am
Location: vic

Re: Landcruiser Bypass Hose

Post by Hamo »

mud4b wrote:
Shadow wrote:
mud4b wrote:
Hamo wrote:
mud4b wrote:
i have a feeling that your talking about the hose on the filler plugs from the t-case to the gearbox?

if so people do this (instead of replacing the seal between both boxes) so that the oil doesnt fill the t-case and leave the gearbox low..

its a easy but dodgy way to fix a common problem.
I fitted 1 because oil from the t-case was being pumped in to the gearbox
(slowly)
thus leaving the t-case low and gearbox overfull
ok so i got it backwards :roll: ... the point is if its pumping oil from one to the other replace the $10 seal because that is whats causing it.
the cost of the seal isnt why people dont do it, its cause you have to drop the box to do it which is a pain in the arse, and if its done the seal once its likely that it will do it again in a shorter timeframe.

i do understand this. we do them often. you dont need to drop the box out. just lower it and remove the t-case..
The seals usely go because the bearings in the gearbox AND the transfer case are shagged
[quote="RN"]So do you support your local vendor...not if it is going to cost me almost double. [quote]
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