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 When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
#380597
01/15/04 05:07 AM
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Joined: Nov 2001
Posts: 237
OP
Wheeler
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This has been happening on my 97 Limited ever since I installed the Revtek 3" coil over lift.
Does anyone know the source of the problem and the fix?
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: TooEZgoin]
#380598
01/15/04 05:12 AM
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Joined: Oct 2002
Posts: 4,482
Emeritus Staffer and Moderator
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While you are moving or sitting still? If moving, at what speed?
Mike
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: azrain]
#380599
01/15/04 08:00 AM
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Joined: Nov 2001
Posts: 237
OP
Wheeler
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It happens at any speed when I push the button, from 5mph-35mph.
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: TooEZgoin]
#380600
01/15/04 02:56 PM
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Joined: Apr 2001
Posts: 629
Rock Warrior
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If this is happening on dry pavement that is normal. If happening on dirt, I dunno.
1997 4Runner Limited 4x4, 'lectric locka
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: TooEZgoin]
#380601
01/15/04 03:38 PM
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Joined: Aug 2001
Posts: 1,026
Body Damage is Cool
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I sometimes get a moderate 'clunk' when disengaging 4WD - and mine is bone-stock. Try slipping the tranny into "N" right before you disengage. This may take some pressure off your drivetrain and allow the system to unlock easier.
Andreas
2001 4Runner SR5 4WD, Dorado Gold, 303,000+ miles
2014 Audi A4, Monsoon Gray
1995 Porsche 993, Polar Silver
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: aowRS]
#380602
01/16/04 05:10 AM
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Joined: Jun 2002
Posts: 557
Rock Warrior
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Same here. Mine make a little metal clunking/engaging sound when I put it in and out of 4H.
Does it sound the same when you engage it?
99 Limited 4Runner 4WD
ARB front Bumper Kennesaw rear bumper
WARN 9500 Winch
Hella 4000s
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Re: When I push the button to switch out of 4H to 2wd, there is a loud slamming sound.
[Re: TooEZgoin]
#380603
01/16/04 02:32 PM
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Joined: Apr 2000
Posts: 3,748
Toyota Moderator
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The engaging/disengaging mechanism is a sliding, splined collar... both in the front axle ADD unit and inside the (at least the part time 4x4 drive) transfer case so any noise it makes is much like engaging/disengaging gears with no synchronizers... Not sure about the full time transfer case...
So it is totally dependent upon you to make sure there is no relative speed differences between the front and rear axles and therefore the recommendation to be driving in a straight line and if binding turning the steering wheel slightly to the right and left to unload any binding... and of course always have the exact same size tires between the front and rear....
2000 4Runner,V6,Auto,31's, Sliders, Skids, On-Board Air, Air Shocks Related Interests: Welding, Ham Radio, Road Tripping (Blue Highways), High End Video/Audio Systems
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