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Hellwig Sway Bar 7894 User Manual

Installation instructions, Rear stabilizer bar 7664

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7664 (R-7664)

10/12/2007

TORQUE TABLE

Bolt Size 3/8”— 35 ft lbs * Bolt Size 7/16”— 45 ft lbs* Bolt Size 1/2”—75 ft lbs *Bolt Size 9/16”— 90 ft lbs

SAFETY

: BEFORE BEGINNING INSTALLATION BE SURE TO SET THE PARKING BRAKE

AND CHOCK THE WHEELS.

NOTE:

TO EASE INSTALLATION AND PROPERLY ADJUST THE BAR, THE WEIGHT OF THE

VEHICLE MUST BE ON THE SUSPENSION AS IF DRIVING DOWN THE ROAD. DO NOT RAISE

THE VEHICLE BY THE FRAME.

NOTE:

THIS UNIT IS DESIGNED TO MOUNT TO THE BOTTOM OF THE AXLE TUBES WITH

THE ARMS OF THE BAR TOWARD THE REAR OF THE VEHICLE.

1. Lubricate the D shaped bushings and place them on the straight areas of the bar on each side of

the center hump.

2. Hold bar up to the axle and locate the position on the axle tubes to mount the u-bolts.

Be sure to

put the U-Bolts Under Any Brake Lines, Wires or Hoses on the Axle to Avoid Any Possible

Damage. The threads of the U-Bolts will point down.

3. The saddle brackets have different radiuses to match the taper of the axle. Install saddles on axle

so that they sit squarely on the axle. Place the U-Plates over the D shaped bushings on the bar
and attach the bar to the U-Bolts and saddle brackets with the flat washers and nuts provided.

LEAVE LOOSE AT THIS TIME to allow for adjustment later.

4. Remove brake cable/line bracket from axle and use z-bracket and 5/16 bolt and nut to relocate as

shown in photos.

Remove the driver side lower shock bolt, turn it around and reinstall from

the outboard side of the lower shock bracket.

INSTALLATION INSTRUCTIONS

Rear Stabilizer Bar 7664

2007.5+ GM 2500HD-3500HD 2WD-4WD

Duramax Diesel Only

Thank you for purchasing a quality Hellwig Product.

559-734-7451 800-367-5480 FAX 559-734-7460

Relocate brake cable/
line with z-bracket.

Remove Driver’s side
shock bolt and re-install
with bolt head outboard

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