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ASSEMBLY INSTRUCTIONS

FOR

WILWOOD D154 PRO SERIES REAR PARKING BRAKE KIT WITH

12.19” DIAMETER VENTED ROTOR (2.75 OFFSET)

12 BOLT CHEVY

PART NUMBER GROUP

140-12215

NOTE: Some cleaners may stain or remove the finish on brake system components. Test the cleaner on a hidden portion

of the component before general use.

WARNING

IT IS THE RESPONSIBILITY OF THE PERSON INSTALLING ANY BRAKE COMPONENT OR KIT TO DETERMINE THE SUITABILITY OF THE

COMPONENT OR KIT FOR THAT PARTICULAR APPLICATION. IF YOU ARE NOT SURE HOW TO SAFELY USE THIS BRAKE COMPONENT OR

KIT, YOU SHOULD NOT INSTALL OR USE IT. DO NOT ASSUME ANYTHING. IMPROPERLY INSTALLED OR MAINTAINED BRAKES ARE

DANGEROUS. IF YOU ARE NOT SURE, GET HELP OR RETURN THE PRODUCT. YOU MAY OBTAIN ADDITIONAL INFORMATION AND

TECHNICAL SUPPORT BY CALLING WILWOOD AT (805) 388-1188, OR VISIT OUR WEB SITE AT WWW.WILWOOD.COM. USE OF WILWOOD

TECHNICAL SUPPORT DOES NOT GUARANTEE PROPER INSTALLATION. YOU, OR THE PERSON WHO DOES THE INSTALLATION MUST

KNOW HOW TO PROPERLY USE THIS PRODUCT. IT IS NOT POSSIBLE OVER THE PHONE TO UNDERSTAND OR FORESEE ALL THE ISSUES

THAT MIGHT ARISE IN YOUR INSTALLATION.

RACING EQUIPMENT AND BRAKES MUST BE MAINTAINED AND SHOULD BE CHECKED REGULARLY FOR FATIGUE, DAMAGE, AND WEAR.

WARNING

DO NOT OPERATE ANY VEHICLE ON UNTESTED BRAKES!

SEE MINIMUM TEST PROCEDURE WITHIN

ALWAYS UTILIZE SAFETY RESTRAINT SYSTEMS AND ALL OTHER AVAILABLE SAFETY EQUIPMENT WHILE OPERATING THE VEHICLE

IMPORTANT • READ THE DISCLAIMER OF WARRANTY INCLUDED IN THE KIT

www.wilwood.com

DISC BRAKES SHOULD ONLY BE INSTALLED BY SOMEONE

EXPERIENCED AND COMPETENT IN THE INSTALLATION AND

MAINTENANCE OF DISC BRAKES

READ ALL WARNINGS

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Summary of content (9 pages)

PAGE 1
www.wilwood.com ASSEMBLY INSTRUCTIONS FOR WILWOOD D154 PRO SERIES REAR PARKING BRAKE KIT WITH 12.19” DIAMETER VENTED ROTOR (2.75 OFFSET) 12 BOLT CHEVY PART NUMBER GROUP 140-12215 DISC BRAKES SHOULD ONLY BE INSTALLED BY SOMEONE EXPERIENCED AND COMPETENT IN THE INSTALLATION AND MAINTENANCE OF DISC BRAKES READ ALL WARNINGS WARNING IT IS THE RESPONSIBILITY OF THE PERSON INSTALLING ANY BRAKE COMPONENT OR KIT TO DETERMINE THE SUITABILITY OF THE COMPONENT OR KIT FOR THAT PARTICULAR APPLICATION.
PAGE 2
Important Notice - Read This First Before any tear-down or disassembly begins, review the following information: • Review the Wheel Clearance Diagram (Figure 2, page 3) to verify that there is adequate clearance with the wheels you will be using with the installation. • Rear brake kits are not supplied with hydraulic lines or fittings and may require the purchase of additional lines or fittings to complete the installation.
PAGE 3
Parts List ITEM NO. 1 2 3 3A 4 5 5A 6 7 PART NO. 249-12231/32 300-11337 160-9986 160-9814/15-BK 150-8936K 120-11875-BK 120-11875-RD 300-5968 230-10933 DESCRIPTION QTY Bracket Kit (pair, one each, left and right) Adapter, Rotor Registration Rotor, ULHP - .81” x 12.19” Dia.
PAGE 4
Disassembly Instructions Disassembly Instructions: •Disassemble the original equipment rear brakes: Raise the rear wheels off the ground and support the rear suspension according to the vehicle manufacturer’s instructions. .050 X 45° CHAMFER Remove the rear wheels and disassemble the drum brake assembly down to the bare axle. • Remove any nicks or burrs on the axle housing flange, as well as the axle flange, that may interfere with the installation of the new brake components.
PAGE 5
Assembly Instructions (Continued) • Install the disc brake pads (4) into the caliper (5) with the friction material facing the rotor, as shown in Figure 1 and Photo 3. • Install sleeves (6) onto slide pin bolts (7). Apply white lithium grease (available from your local auto parts store) to the slide pins/sleeves, as shown in Photo 4. Do not apply to threads. Mount the caliper (5) onto the mounting bracket (1) using slide pin bolts, as shown in Figure 1. Torque to 35 ft-lbs.
PAGE 6
Assembly Instructions (Continued) 2.835 DIA 3.150 DIA 3.150 DIA 2.000 2.375 2.000 3/8” BOLT 1/2” BOLT 3.336 3.500 SMALL FORD BIG FORD 3.188 3.500 2.203 3.150 DIA 1.594 2.375 8-3/4 AND 9-3/4 MOPAR / DANA 60 OLDS PONTIAC MARK WILLIAMS 3.072 3.072 2.404 3/8” BOLT 2.652 3/8” BOLT TUBING O.D. 2.685 3/8” BOLT 2.87 7-1/4” FORD MUSTANG (05-UP) 3.072 3.072 3.396 3/8” BOLT TUBING O.D. 2.725 12 BOLT-LATE CHEVY 10 / 12 BOLT CHEVY 3.396 2.656 3/8” BOLT 3.
PAGE 7
Additional Information and Recommendations (Continued) •Fill and bleed the new system with Wilwood Hi-Temp° 570 grade fluid or higher. For severe braking or sustained high heat operation, use Wilwood EXP 600 Plus Racing Brake Fluid. Used fluid must be completely flushed from the system to prevent contamination. NOTE: Silicone DOT 5 brake fluid is NOT recommended for racing or performance driving. •To properly bleed the brake system, begin with the caliper farthest from the master cylinder.
PAGE 8
Pad and Rotor Bedding BEDDING STEPS FOR NEW PADS AND ROTORS – ALL COMPOUNDS Once the brake system has been tested and determined safe to operate the vehicle, follow these steps for the bedding of all new pad materials and rotors. These procedures should only be performed on a race track, or other safe location where you can safely and legally obtains speeds up to 65 MPH, while also being able to rapidly decelerate. • Begin with a series of light decelerations to gradually build some heat in the brakes.
PAGE 9
Parking Brake WARNING • PARKING BRAKE • Parking brake must be properly adjusted before use and must be manually readjusted for wear if parking brake handle or foot lever travel becomes excessive. • The holding ability of the brake should be tested by stopping on a sloping surface and applying the parking brake while holding car with the hydraulic foot brake. This should be accomplished both facing up and down hill.