Edelbrock 5247 Installation Instructions
©
2006 Edelbrock Corporation
Catalog #5247, #5248, & #5249
Brochure #63-0469
Rev. 6/06 - DA/mc
Page 1 of 2
Edelbrock Adjustable Trailing Arms
Applications: Catalog #5247 - 1978-1988 A/G Body
Catalog #5248 - 1968-1972 A Body
Catalog #5249 - 1964-1967 A Body &
1967-1978 American Motors Rebel, Matador,
Marlin, and Ambassador
Installation Instructions
Please study these instructions carefully before installing your new Adjustble Trailing Arms. If you have any questions, contact our
Technical Hotline at:
1-800-416-8628,
7 am to 5 pm,
Monday-Friday,
Pacific Standard Time or
e-mail us at Edelbrock@Edelbrock.com. Please complete and mail your warranty card.
Tools and Supplies Required:
❑ Floorjack and jackstands
❑ Drill motor and 1/2” drill bit or round file
❑ Tire chocks
❑ Torque wrench
❑ Lug wrench
❑ Blue Loctite™
❑ 18mm socket and combination wrench
❑ Grease gun
❑ 3/4” socket and combination wrench
REMOVAL OF STOCK TRAILING ARMS
1.
Place car on level surface and place tire chocks in front of and behind
front tires
(Figure 1).
2.
Support rear of the car on jackstands and remove the rear wheels.
3.
Place a floor jack under the differential and lift up slightly to remove
tension from the trailing arm bolts - make sure not to lift the car off the
jackstands
(Figure 2).
KEEP FLOOR JACK UNDER CAR DURING THE COMPLETE REMOVAL
AND INSTALLATION PROCEDURE.
CAUTION - DO NOT REMOVE BOTH TRAILING ARMS AT THE SAME
TIME OR THE AXLE WILL ROTATE AND THE TRAILING ARM
INSTALLATION WILL BE MUCH MORE DIFFICULT.
4.
Start with either trailing arm and remove the rear bolt.
NOTE: Re-install the bolts in same direction as original.
5.
Remove the front trailing arm bolt.
6.
Remove the trailing arm.
7.
If you are having difficulty removing the trailing arm bolts, then remove
the lower shock bolts and the rear springs to aid bolt removal.
8.
Clean frame at trailing arm pivot area with a wire brush.
9.
Remove the pressed-in factory rubber bushing from axle housing. Note
direction of bushing in axle housing.
NOTE: Be careful not to damage axle housing.
Fig. 1
Fig. 2
IMPORTANT NOTE:
Proper installation is the responsibility of the installer. Improper installation will void warranty and may result in
poor performance and engine or vehicle damage.