10-21-2011, 08:14 PM
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#1
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Lumbar issues
My lumbar adjustment was working only when it wanted to for the longest. Recently it quit all together. I searched and found little to nothing.
I pulled the side panel and checked the plug which was connected and did not seem losose. Anybody have the same issues?
Anybody know how to access the motor? I may dig in tonight and see what I find. Thought I'd ask here first.
Thanks
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2005 V8 4x4 Sport / FJ springs / Bilstein 5100's / 265/70/17 A/T's / K & N Drop in / CF removed / resenator removed / WeatherTech Liners
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10-21-2011, 08:36 PM
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#2
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Same issue since I got mine, never looked into it or found a fix.
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2003 Limited V8 - sold - Build Thread | JL Audio amp/sub | Icon stage 2 | 1/2" Body Lift | 265/70/18 Nitto TG G2's | 18" Limited wheels | Spidertrax | Clazzio's
2016 Trail Premium - Bilstein 5100 | Airlift 1000 | 285/70/17 Cooper AT3 4S | XenonDepot HID | RAV4 Blindspot Mirrors | Kicker Subaru Tweeter Upgrade | Lock'er Down Console Safe | Sprint Booster
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10-21-2011, 09:52 PM
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#3
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Same here...luckily enough it failed in a comfortable state so it's not a huge deal but it's nice when everything works properly.
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SOLD Jan/15
03 V8 4x4 Limited, RAS converted to coil w/1.5 spacers, Bilstein 5100's 2.5" setting, 265/70R17 Grabber AT2s, FJ Rims, Custom headers, dual exhaust, 20% tint, HCF delete, VSC off mod, blacked-out headlights, WeatherTechs, TRD shift knob.
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10-22-2011, 12:33 AM
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#4
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Sure would like to find a fix. Mine seems to have crapped out deflated, or lost air over time. I've been fighting back problems and need the lumbar support. Tomorrow I should have time to look into it. We'll see.
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2005 V8 4x4 Sport / FJ springs / Bilstein 5100's / 265/70/17 A/T's / K & N Drop in / CF removed / resenator removed / WeatherTech Liners
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02-15-2012, 08:20 PM
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#5
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Did you ever find out what the problem is?
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2003 Limited 4x4 v8
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02-16-2012, 12:26 PM
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#6
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Quote:
Originally Posted by dannyg
Did you ever find out what the problem is?
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Pretty sure the lumbar motors quit. I was thinking of taking mine apart to see if I could get it to work but its been too cold out.
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SOLD Jan/15
03 V8 4x4 Limited, RAS converted to coil w/1.5 spacers, Bilstein 5100's 2.5" setting, 265/70R17 Grabber AT2s, FJ Rims, Custom headers, dual exhaust, 20% tint, HCF delete, VSC off mod, blacked-out headlights, WeatherTechs, TRD shift knob.
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02-18-2012, 04:13 PM
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#7
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Quote:
Originally Posted by TRDCal
Pretty sure the lumbar motors quit. I was thinking of taking mine apart to see if I could get it to work but its been too cold out.
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Gotcha, please let us know if you find anything out. I wish I could get mine working again
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02-19-2012, 02:04 PM
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#8
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Real Name: Robert
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Mine doesn't work very well either. The motors are about $500 bucks! The dealer printed me out an exploded view of the seat. There is no airbag for the lumbar. Looks like the motor turns an arm that pushes on a curved plate that moves forward and backward. Someday I will take mine apart to see what is not working. Seems to be a common problem.
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06-13-2013, 01:32 PM
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#9
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Digging up an old thread here but has anyone found a fix to this problem? I would really like this thing to work. Or at least I would like to have it permanently in the "boosted" position. Right now it seems to be in the collapsed position.
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Joe l 2003 V8 Sport 4x4
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06-13-2013, 02:22 PM
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#10
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I didn't end up looking too much into it since mine failed in a comfortable position
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SOLD Jan/15
03 V8 4x4 Limited, RAS converted to coil w/1.5 spacers, Bilstein 5100's 2.5" setting, 265/70R17 Grabber AT2s, FJ Rims, Custom headers, dual exhaust, 20% tint, HCF delete, VSC off mod, blacked-out headlights, WeatherTechs, TRD shift knob.
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06-13-2013, 02:50 PM
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#11
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Elite Member
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The lumbar system on the 4Runners is a mechanical system versus an air bladder like many systems. Its a bar with two rounded tabs that rotates via a motor to increase or decrease the lumbar support.
There are a couple things that I've noticed happen with the system;
One, the motor fails outright (expensive little bugger too... still about $500!)
Two, the tabs bend/break off and no longer provide support.
Three, on sharp bumps/jounces the human body can jam up the mechanism and lock it up.
The last one is what happened to me last year, had my extended warranty buy me a new motor to install and found out the old one was perfectly fine, the issue was that the gear mesh got jammed up and needed to be loosened up and the tabs rebent. I think I might reweld them later down the line.
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06-13-2013, 05:39 PM
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#12
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Quote:
Originally Posted by BlackWorksInc
The last one is what happened to me last year, had my extended warranty buy me a new motor to install
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That could work well for you...bring your truck in for warranty work and request yourself as the mechanic, then you're getting paid to work on your truck lol
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SOLD Jan/15
03 V8 4x4 Limited, RAS converted to coil w/1.5 spacers, Bilstein 5100's 2.5" setting, 265/70R17 Grabber AT2s, FJ Rims, Custom headers, dual exhaust, 20% tint, HCF delete, VSC off mod, blacked-out headlights, WeatherTechs, TRD shift knob.
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06-13-2013, 05:47 PM
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#13
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Join Date: Mar 2010
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Same issue here, I've never really used it though so I've just ignored the problem.
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06-13-2013, 06:44 PM
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#14
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Quote:
Originally Posted by TRDCal
That could work well for you...bring your truck in for warranty work and request yourself as the mechanic, then you're getting paid to work on your truck lol
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Well what happened is when I bought the 4Runner I had no credit history, good credit (dad built up credit on cards in my name for years, but there was like an 8 year gap before I even bothered with anything credit related) so my bedt friend co-signed. To get the interest rate low his name went first, so the warranty only shows his name as the holder.
What's even more funny is that the service write just dispatches the RO to me out of laziness and because the trucks already here. When they send an inspector I just tell them how its my friends truck (not entirely untrue :P) and how I help him out a lot and stuff.
I know its really sleazy... but the salesman sold me the extended warranty with $0 deductible KNOWING I was a Toyota tech, so I don't feel guilty. Hell, the extended warranty has more than paid for itself almost double what I paid now and I still have another year or so left.
PS- If it does turn out to be the motor, let me know I think I still have my old good motor lying about; I'll cut you a deal on it.
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06-14-2013, 09:42 PM
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#15
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Quote:
Originally Posted by BlackWorksInc
PS- If it does turn out to be the motor, let me know I think I still have my old good motor lying about; I'll cut you a deal on it.
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Thanks but I can't be bothered to remove the seat. Hows that for laziness haha
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SOLD Jan/15
03 V8 4x4 Limited, RAS converted to coil w/1.5 spacers, Bilstein 5100's 2.5" setting, 265/70R17 Grabber AT2s, FJ Rims, Custom headers, dual exhaust, 20% tint, HCF delete, VSC off mod, blacked-out headlights, WeatherTechs, TRD shift knob.
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