Gear whine?
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Topic author - ASV Supporter
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Gear whine?
I slapped in a new Zexel Torsen differential in my 98 I was under serious time restraints so i skipped the proper setup procedure (i know stupid eh?) anyways I now have a whining sound coming from the rear diff which I believe to be caused by the backlash being set wrong it. It starts anywhere between 20-30kmh, is generally a higher pitch while coasting and is dependent on wheel speed. During acceleration it is almost silent, during braking it is quieter then coasting but not by much.
TimelessB: heres the info that i can think of at the moment
TimelessB: heres the info that i can think of at the moment
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
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- I have my van tatooed on my cheeks
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- Joined: Fri Aug 08, 2008 12:55 pm
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Re: Gear whine?
Well first of all, I need to verify your compliance of Rule 6B.
Videos of real-life tests would be even better.
How much did it set you back?
Why did you choose Zexel? (Japanese right?)
What was involved in the installation?
Videos of real-life tests would be even better.
How much did it set you back?
Why did you choose Zexel? (Japanese right?)
What was involved in the installation?
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- I have my van tatooed on my cheeks
- Posts: 4379
- Joined: Sat Sep 09, 2006 3:35 pm
- Location: New Haven, NY
Re: Gear whine?
Get it setup ASAP! If you keep running it, you can ruin the gears.
Current rides:
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
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Re: Gear whine?
Shame, shame, shame. This is a job where there are NO shortcuts.
1996 Safari SLX Hotair balloon transport vehicle
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Topic author - ASV Supporter
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Re: Gear whine?
TimelessB: I think it's made and invented in the USA and i don't dare touch my camera with grease covered hands. It's available for $600 right now it's the carrier so if your putting new gears in (which i didn't) you have to do pinion depth and the whole nine yards or it will be noisy (which i can confirm.....)
LiftedAWDAstro, Smiliesafari: yeah i know but there are circumstances
LiftedAWDAstro, Smiliesafari: yeah i know but there are circumstances
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I have my van tatooed on my cheeks
- Posts: 3118
- Joined: Fri Aug 08, 2008 12:55 pm
- Location: The Pacific North Wet
- Has thanked: 47 times
- Been thanked: 25 times
Re: Gear whine?
Torsen is owned by Japanese JTEKT now who has operations all over the world, so it's hard to say where it comes from now. Do you know if you got the A, B or C version?
Greasy hands? Come on, can't you use a rag or something? Everyone else manages somehow.
Greasy hands? Come on, can't you use a rag or something? Everyone else manages somehow.
Re: Gear whine?
Cobra wrote:TimelessB: I think it's made and invented in the USA and i don't dare touch my camera with grease covered hands. It's for available for $600 right now it's the carrier so if your putting new gears in (which i didn't) you have to do pinion depth and the whole nine yards or it will be noisy (which i can confirm.....)
LiftedAWDAstro, Smiliesafari: yeah i know but there are circumstances
Good thing about do overs is ya get to really learn the lesson that you knew in the first place.
1979 Malibu drag race only car
1999 Sonoma 4.3 5 speed-Rufus
1989 Astro-Ole Yellar cancelled-still selling off parts
1985 Astro-shop van R.I.P. my friend
1994 Astro LT RWD W4.3 rod knock RIP
1982 Winnebago single rear wheel-Chevy 350 Scraped 1/28/13-broken dreams......
Rochester,NY
1999 Sonoma 4.3 5 speed-Rufus
1989 Astro-Ole Yellar cancelled-still selling off parts
1985 Astro-shop van R.I.P. my friend
1994 Astro LT RWD W4.3 rod knock RIP
1982 Winnebago single rear wheel-Chevy 350 Scraped 1/28/13-broken dreams......
Rochester,NY
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Topic author - ASV Supporter
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Re: Gear whine?
It's a T-1
my camera has seen rain, snow and hail if i can't protect it from anything else grease i will protect it from, hopefully santa will bring me a shop camera
my camera has seen rain, snow and hail if i can't protect it from anything else grease i will protect it from, hopefully santa will bring me a shop camera
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I have my van tatooed on my cheeks
- Posts: 3118
- Joined: Fri Aug 08, 2008 12:55 pm
- Location: The Pacific North Wet
- Has thanked: 47 times
- Been thanked: 25 times
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
- Has thanked: 1 time
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Re: Gear whine?
truly a beautiful thing isn't it
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I have my van tatooed on my cheeks
- Posts: 3118
- Joined: Fri Aug 08, 2008 12:55 pm
- Location: The Pacific North Wet
- Has thanked: 47 times
- Been thanked: 25 times
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Topic author - ASV Supporter
- Posts: 1750
- Joined: Sat Jun 16, 2007 2:31 pm
- Location: Toronto, Ontario
- Has thanked: 1 time
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Re: Gear whine?
i just noticed that I told you the wrong one it's a T-2 not a T-1
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I have my van tatooed on my cheeks
- Posts: 3118
- Joined: Fri Aug 08, 2008 12:55 pm
- Location: The Pacific North Wet
- Has thanked: 47 times
- Been thanked: 25 times
Re: Gear whine?
Hmm. What's the difference?Cobra wrote:i just noticed that I told you the wrong one it's a T-2 not a T-1
I wonder how the Torsen would perform on a ramp like this
[youtube]http://www.youtube.com/watch?v=t09ExAUgtyE[/youtube]
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Topic author - ASV Supporter
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Re: Gear whine?
that video says VW says the car will move if only one wheel has traction and from their test that is true if the car was on a level surface. I think only the last test with the subaru would apply to our vehicles since the others tested were primarily FWD and the Torsen would only be able to make it up that ramp if you applied the brakes. Testing has shown that Torsen's aren't good for rock crawling because cases where the wheel will be in the air appear regularly, the HMMWV uses Torsen's and to remedy the problem they installed a system that will aromatically apply the brake lightly on the wheel that has zero friction. Oh I almost forgot some subaru's do use the Torsen not sure it that was one of them or not
1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler
1997 gone
-
- I have my van tatooed on my cheeks
- Posts: 3118
- Joined: Fri Aug 08, 2008 12:55 pm
- Location: The Pacific North Wet
- Has thanked: 47 times
- Been thanked: 25 times
Re: Gear whine?
Yup, with one wheel in the air, applying the brake will send a portion of available torque to the wheel with traction depending on the bias ratio of that particular Torsen unit. With yours, up to 3:1. Is that enough to pull 3 ton van up a muddy or icy hill, pull a boat up a slick launch ramp etc.