Load Sensing Valve - Nissan Frontier Forum
 
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#1 (permalink) Old 09-13-2008, 11:47 PM
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Load Sensing Valve

which way do you adjust the valve to compensate for the vechile lift ?

'04 D22 Navara ZD30 3 litre diesel power
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Last edited by Tweak'e; 09-14-2008 at 12:10 AM.
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#2 (permalink) Old 09-16-2008, 01:25 AM
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don't you guys adjust the valve when you lift it ?

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EGR and butterfly mod, catch can, extra rear spring leaf, to muddy to clean!
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#3 (permalink) Old 09-16-2008, 01:33 AM
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I never knew the 1st gens had such a thing.
post up in the international section to see if they can clue you in.
hopefully someone chimes in.
good luck.


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#4 (permalink) Old 09-16-2008, 03:36 AM
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i don't know a ton about those as i have never dealt with them. are you talking about the load sensor that adjusts the brake proportioning valve for the rear? its like a spring with a wire inside it. when the suspension compresses, the spring contracts due to the load.
like i said, i have never dealt with this, but i imagine it would be as simple as a custom bracket to relocate the mount to compensate for the lift. keep in mind that the suspension is going to behave differently than stock, so a little experimentation and measureing is going to be needed to achieve the same effect of the variable valve prior to, and after the lift. good luck.

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#5 (permalink) Old 09-16-2008, 03:47 AM
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load sensing valve is nissan name for brake proportioning valve.

normally if you raise suspension 2" you simply pack the bracket 2".
however this has a handbrake cable right over the top of the bracket on the axle tube.
i don't really want to get into relocating all the brake lines to shift the other end.

at the moment i got the adjustment on the axle tube bracket at max which has helped (pushed toward front of vehicle).

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#6 (permalink) Old 09-16-2008, 03:54 AM
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tweak'e....I have no....idea...what your talking about. I usually at least have a fathoming.

Pretty sure we have non-adjustable brake proportioning valves

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#7 (permalink) Old 09-16-2008, 04:07 AM
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sorry i've only got limited manuals on the frontier. looks like 4 banger has but v6 dosn't.

'04 D22 Navara ZD30 3 litre diesel power
EGR and butterfly mod, catch can, extra rear spring leaf, to muddy to clean!
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#8 (permalink) Old 09-16-2008, 10:34 AM
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The US-made D22Us had those on the 4-cylinders only. The V6 and 4x4 trucks had a proportioning valve built into the master cylinder. Toyota was using them right to the end of the last generation Tacoma on everything I believe.

The FSM instructions say to adjust the spring to a reference length of 8.18". Hope that helps.


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#9 (permalink) Old 09-16-2008, 09:44 PM
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Quote:
Originally Posted by Tweak'e View Post
load sensing valve is nissan name for brake proportioning valve.

normally if you raise suspension 2" you simply pack the bracket 2".
however this has a handbrake cable right over the top of the bracket on the axle tube.
i don't really want to get into relocating all the brake lines to shift the other end.

at the moment i got the adjustment on the axle tube bracket at max which has helped (pushed toward front of vehicle).

i think you just answered you own question.

unfortunately the solutions to some problems are not very easy.

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pain of regret.
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#10 (permalink) Old 09-16-2008, 10:48 PM
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I know all the toyotas have them. My guess would be to extend the rod the amount of the lift if it is like a toyotas.
Show us a pic and I am sure someone can help you out.

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