Alignment & Suspension Specs: 2003-2007 Cadillac CTS: Brake and Front End

8 Aug 2014 | Author: | Comments Off on Alignment & Suspension Specs: 2003-2007 Cadillac CTS: Brake and Front End
Cadillac CTS

Alignment Suspension Specs: 2003-2007 Cadillac CTS

The standard or base model came with 16-inch tires; this is designated as RPO package FE1. But, 17-inch wheels were optional on some 2006-2007 FE1- equipped CTS models. These wheels were dealer installed options.

Ride Height Measurement

Pull the vehicle onto a level surface or drive-on lift. GM recommends a full tank of fuel to get the most accurate measurements. Jounce the car#x2019;s suspension several times, making sure to pull up and release several times.

In the front, the first measurement is taken from the center of the lower control arm bolt to the ground. Next, measure the distance from the ground to the lowest point on the lower ball joint. Subtract the second measurement from the first; this will give you the height specification for that side. Average the the measurements for both sides.

On FE1, FE2 and FE3 models, the specification 2-3/32#34; (53mm). If the measurement is greater or lesser than 3/8#34; (10mm), inspect and repair the vehicle before proceeding with an alignment.

In the rear, the first measurement is taken from the center of the lower control bolt to the ground. Next, measure the distance from the ground to the center of the bolt of the outboard#160; pivot bolt. Subtract the second measurement from the first and this will give you the height specification. Average the the measurements for both sides.

The specification for the rear is 2-5/16#34; (59mm). If the measurement is greater or lesser than 3/8#34; (10mm), inspect and repair the vehicle before proceeding with an alignment.

Cars with the FE4 option should have front specification of 1-11/16#34; (43mm) and 1-7/8#34; (48mm) in the rear. If the measurement is greater or lesser than 3/8#34; (10mm), inspect and repair the vehicle before proceeding with an alignment.

The front suspension on the Cadillac CTS is a double wishbone style. The upper ball joint is a follower-style joint and should have no play radially or axially. The lower ball joint is a loaded joint. The lower ball joint should not have more than .125#34; of play radially or axially.#160;

The normal camber and caster adjustments#160; are achieved by repositioning the lower control arm in slotted control arm brackets. GM and tool manufacturers offer a turnbuckle tool (J45845) to aid in making the adjustments. The Hunter WinAlign CAMM on the#160; feature is also available to help dial in this tricky adjustment.

Cadillac CTS

If an adjustment can not be completed, inspect the control arms and mounting points for damage. No special kits are required. The only recommended tool is J45845 Camber/Caster Adjustment Tool.

Rear Suspension

The rear suspension uses multiple links. The upper control arm has an upper ball joint that should have zero play. Inspect all bushings for wear and excessive play.

Rear Camber adjustment is achieved by moving the lower control arm in an inboard slotted control arm bracket. Toe is adjustable with the threaded lower link.

If the thrust angle of the vehicle is beyond specifications, inspect the rear suspension carrier and mounting bushings. The rear suspension carrier can shift and cause excessive toe adjustments and thrust angle problems.#160;

Cadillac CTS
Cadillac CTS
Cadillac CTS
Cadillac CTS
Cadillac CTS
Cadillac CTS
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Cadillac CTS
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