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Alignment: loading suspension in sloped driveway #4817145
07/18/18 09:14 AM
07/18/18 09:14 AM
Joined: Jan 2011
Posts: 634
Anaheim, CA
zorobabel Offline OP
zorobabel  Offline OP
Joined: Jan 2011
Posts: 634
Anaheim, CA
My Maxima and Corolla are FWD and the only easily adjustable alignment spec is the front toe.
I've read that it's best to load the suspension when checking alignment, and I've done it by coming to a stop with the handbrake in the past.
For the next alignment check, I'm thinking of parking the car - front high - in a sloped driveway, putting the tranny in park, not engaging the emergency/parking brake and just letting the car roll back a tiny bit - stopping by the tranny lock teeth. This should have the same effect on toe as driving trying to overcome air drag. Then measure away (and hope for 0 toe).
What do you think?


1997 Maxima 190k, QSGB 5w30+QSUD 5w30 (2:1), PL14477
2004 Corolla 193k, VWB 5w20 + SSS 10w40, MGL4967
Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817184
07/18/18 10:09 AM
07/18/18 10:09 AM
Joined: Sep 2014
Posts: 1,487
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,487
Toronto Canada
You are putting an unknown load on the front steering/suspension doing it as you suggested. Who know what the results will be?

I would not put any load on the front wheels if you are adjust the toe in/out. Leave the transmission in neutral and let the rear wheels hold the car in place. Use the chocks on the rear wheels or the parking brake.

You will adjust it to have a little toe out in this configuration, just like the book says.

Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817219
07/18/18 11:09 AM
07/18/18 11:09 AM
Joined: Aug 2009
Posts: 577
Modesto,CA
mehullica Offline
mehullica  Offline
Joined: Aug 2009
Posts: 577
Modesto,CA
Toyota recommends no load in all their cars during a wheel alignment

Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817251
07/18/18 11:39 AM
07/18/18 11:39 AM
Joined: Jan 2013
Posts: 1,411
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,411
America's Dairyland
All manufacturers require the car to be on a level surface when doing the alignment. All cars have their own specs too and the suspension must be in a relaxed state, among many other things.

You don't have the ability to unbind the suspension when on a driveway so don't waste your time.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817306
07/18/18 12:23 PM
07/18/18 12:23 PM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
Most modern alignments on HUNTERS I have gotten have been poor and I had to retouch in the DW. So whats worng with the system? Tires ?Calibration? Operator? Nitrogen struts? or all of the preceding? I've seen racks HUNTER) B4 and After cal printouts and they have been TERRIBLY out. This is a RACK calibration, NOT chassis B4 and after. I thought the laser system was somehow self compensating self calibrating. Had good alignments with the old BAER (BEAR) String systems.


2014 Nissan Rogue S CVT, OC#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817307
07/18/18 12:24 PM
07/18/18 12:24 PM
Joined: Oct 2014
Posts: 12,557
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,557
Idaho
The best way is to bring the car to a great alignment shop.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817308
07/18/18 12:25 PM
07/18/18 12:25 PM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
Id say try it and report back. You may find BIG toe differences on suspension with worn bushings. I find most cheap mac strut cars front ends to be absolute, unsafe garbage .. WHEN NEW.

AND I' 1/2 Scot and saying this!


2014 Nissan Rogue S CVT, OC#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: Alignment: loading suspension in sloped driveway [Re: zorobabel] #4817379
07/18/18 01:28 PM
07/18/18 01:28 PM
Joined: May 2013
Posts: 2,160
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,160
Saskatchewan, Canada
Level surface, no suspension load except you may opt to put a body of similar weight to you or substitute some appropriate weight (how much rice can you eat?) in the driver's seat if the normal mode of operation is single driver / no passenger.


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]

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