Alignment Specs - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 8 (permalink) Old 11-13-2009, 08:29 AM Thread Starter
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Alignment Specs

Can anyone post the factory alignment specs?
Do they change for engine size?
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post #2 of 8 (permalink) Old 11-13-2009, 08:39 AM
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Front

Camber: between -0.7 degrees and 0.2 degrees
Caster: between 3.6 degrees and 4.5 degrees
Toe: between 0.00 degrees and 0.25 degrees
Total Toe: between 0.00 degrees and 0.50 degrees
Steer Ahead: between -0.05 degrees and 0.05 degrees


Rear

Thrust Angle: between -0.25 degrees and 0.25 degrees


Engine weight doesnt matter. The spring rates for the coils up front differ between models to make up for the weight.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #3 of 8 (permalink) Old 11-13-2009, 08:49 AM Thread Starter
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Quote:
Originally Posted by 07JeepXK View Post
Front

Camber: between -0.7 degrees and 0.2 degrees
Caster: between 3.6 degrees and 4.5 degrees
Toe: between 0.00 degrees and 0.25 degrees
Total Toe: between 0.00 degrees and 0.50 degrees
Steer Ahead: between -0.05 degrees and 0.05 degrees


Rear

Thrust Angle: between -0.25 degrees and 0.25 degrees


Engine weight doesnt matter. The spring rates for the coils up front differ between models to make up for the weight.
Hey that was quick, thanks 07JeepXK!
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post #4 of 8 (permalink) Old 11-13-2009, 02:38 PM
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Not a problem!
I got those specs right off the alignment sheet from the Jeep dealer so they should be very accurate.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #5 of 8 (permalink) Old 02-08-2012, 05:05 AM
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Thanks 07JeepXK
Toe in/out is a very basic set up and easy to measure but how would you measure camber.
I have just replaced the lower control arms on my Commander. I have tried to set my new control arms in a similar position to the original ones. This is a bit hit and miss as they may not be an exact shape/match to the original ones plus I also have JBA upper control arms that position the york further out than the OEM UCA's. Does anyone have a smart but simple method for the home mechanic to easily measure camber?
I'm thinking a very level garage floor, a plumb bob and a tape measure and a calculator.
I look forward to some brilliant ideas!

XH V6 3 liter diesel Commander: R/H steer, 2 1/2"OME rear lift, 3" front lift - Murchinson coils with steel spacers on top of struts, JeepinByAl upper control arms, Bilsien shocks, GDE chip, Custom low profile transmission cross member, Black alloys, 32 1/2" rubber , Provent crank case filter, custom rockrails, Custom rear bar, Custom front bar with driving lights, custom front bash plate, 12000lb recovery winch, aftermarket CD/Nav/DVD/Rear Cam system, Interior LEDs, HID lights
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post #6 of 8 (permalink) Old 02-08-2012, 06:20 PM
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How do you adjust caster on the Commder set up. The Upper CA's have no ajustment points, either does the upper ball joint and at the lower control arms there's only slotted bolt holes for camber adjustment.

XH V6 3 liter diesel Commander: R/H steer, 2 1/2"OME rear lift, 3" front lift - Murchinson coils with steel spacers on top of struts, JeepinByAl upper control arms, Bilsien shocks, GDE chip, Custom low profile transmission cross member, Black alloys, 32 1/2" rubber , Provent crank case filter, custom rockrails, Custom rear bar, Custom front bar with driving lights, custom front bash plate, 12000lb recovery winch, aftermarket CD/Nav/DVD/Rear Cam system, Interior LEDs, HID lights
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post #7 of 8 (permalink) Old 02-16-2012, 07:13 AM
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Quote:
Originally Posted by multihull View Post
How do you adjust caster on the Commder set up. The Upper CA's have no ajustment points, either does the upper ball joint and at the lower control arms there's only slotted bolt holes for camber adjustment.
Silence is golden, so the answer must be No. The caster spec they quote must be for checking the alignment after front end damage.

XH V6 3 liter diesel Commander: R/H steer, 2 1/2"OME rear lift, 3" front lift - Murchinson coils with steel spacers on top of struts, JeepinByAl upper control arms, Bilsien shocks, GDE chip, Custom low profile transmission cross member, Black alloys, 32 1/2" rubber , Provent crank case filter, custom rockrails, Custom rear bar, Custom front bar with driving lights, custom front bash plate, 12000lb recovery winch, aftermarket CD/Nav/DVD/Rear Cam system, Interior LEDs, HID lights
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post #8 of 8 (permalink) Old 02-16-2012, 07:13 PM
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Camber/Caster are both adjusted via the lower control arm. Both measurements change when you move the LCA mount.

Unfortunately, there's not much adjustment.

-Matt
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