Tuff-country 14730 - GM 88-91 1/2 ton Blazer / Sub 4 box kit User Manual download pdf

PART NUMBER : 14730

1988 — 1991 CHEVY BLZR & SUBURBAN 1/2 TON

4” SUSPENSION SYSTEM / WITH REAR BLOCKS

PARTS LIST:

Part # Description Qty.

BL5501 5.5” Rear Lifted Blocks 2

5U-6109R 5/8” X 3 1/2” X 9 5/8” Round U-bolts 1

5U-3507R 5/8” X 3” X 7 5/8” Round U-bolts 3

5U-3512R 5/8” X 3” X 14” Round U-bolts 4

58NW 5/8” High Nuts & Washers 2

GMSBNB2 Front Spring Eye Bolts 1

GMBLNB Front & Rear Brake Line

Extensions & Hardware 1

MO2360 Front Spring Eye Bushings 4

S10006 Front Spring Eye Sleeves 2

LUBE Lube Pack 2

14730INST Instruction Sheet 1

INSTALLATION MANUAL

4” SUSPENSION SYSTEM

CHEVY/GMC BLZR/SUBURBAN 1/2 TON

1988 —– 1991

PART # 14730

SJ051402

Special Note: This box kit includes the rear lifted

blocks, front and rear U-bolts, front and rear brake

line extensions and necessary hardware. Tuff

Country EZ-Ride Suspension offers two styles of

front springs, a Heavy Duty spring and a EZ-Ride

spring. If you have not already ordered your front

springs , please contact Tuff Country or your local

Tuff Country dealer and order (2) 18470 (EZ-Ride

Springs) or (2) 18471 (Heavy Duty Springs)

Also, Tuff Country EZ-Ride Suspension highly

recommends installing a raised steering arm once a

4” suspension system has been installed. If you

have not already ordered your raised steering arm,

please contact Tuff Country or your local Tuff

Country dealer and order part # 70100.

Congratulations

on your selection to purchase a Tuff

Country EZ-Ride Suspension System. We at Tuff

Country are proud to offer a high quality product at the

industries most competitive pricing. Thank you for your

confidence in us, and our product.

Before installation begins, it is the customers/installers

responsibility to make sure that all parts are on hand. If

any parts are missing, please feel free to call one of our

customer service representative @ (800) 288-2190.

Make sure to use locktite on all new and stock hardware

associated with this installation.

It is the responsibility of the installers to make sure

that the rear view mirror hanger is hung from the

rear view mirror. The rear view mirror hanger has

instructions on proper post installation procedures.

Tuff Country EZ-Ride Suspension highly

recommends that a qualified and or certified

mechanic performs this installation.

If you desire to return your vehicle to stock, it is the

customers responsibility to save all stock hardware.

IMPORTANT CUSTOMER INFORMATION

This vehicles reaction and handling characteristics

may differ from standard cars and/or trucks.

Modifications to improve and/or enhance off road

performance may raise the intended center of

gravity. Extreme caution must be utilized when

encountering driving conditions which may cause

vehicle imbalance or loss of control. DRIVE SAFELY!

Avoid abrupt maneuvers, such as sudden sharp

turns which could cause a roll over, resulting in

serious injury or death.

It is the customers responsibility to make sure that a

re-torque is performed on all hardware associated

with this suspension system after the first 500 miles

of installation. It is also the customers responsibility

to do a complete re-torque after every 3000 miles or

after every off road use.

After the original installation, Tuff Country EZ-Ride

Suspension also recommends having the alignment

check every 6 months to ensure proper tracking,

proper wear on tires and front end components. Tuff

Country EZ-Ride Suspension take no responsibility

for abuse, improper installation or improper

suspension maintenance.

It is the responsibility of the customer or the

mechanic to wear safety glasses at all times when

performing this installation.

It is the customers/installers responsibility to read

and understand all steps before installation begins.

OEM manual should be used as a reference guide.

The Tuff Country EZ-Ride Suspension product safety

label that is included in your kit box must be

installed inside the cab in plain view of all

occupants.

It is the responsibility of the installers to make sure

that the rear view mirror hanger is hung from the

rear view mirror. The rear view mirror hanger has

instructions on proper post installation procedure.

1 2 3 4 5 6 7 8 9

Summary of Contents

Page 1 - PART # 14730

PART NUMBER : 14730 1988 — 1991 CHEVY BLZR & SUBURBAN 1/2 TON 4” SUSPENSION SYSTEM / WITH REAR BLOCKS PARTS LIST: Part # Descri

Page 2

LIMITED LIFETIME WARRENTY Notice to all Tuff Country EZ-Ride Suspension customers: It is your responsibility to keep your original sales receipt! If

Page 3

catch the brake fluid that will leak out. After the installation is complete, the brake lines will need to be bleed. Repeat procedure on the passenger

Page 4

sure not to over extended any brake lines or hoses when lowering the axle. This will allow you enough room for the new rear blocks to be installed. 2

Page 5

CONGRATULATIONS INSTALLATION COMPLETE Special Note: After the completion of the installation, Tuff Country EZ-Ride Suspension recommends taking the v

Page 6 - ILLUSTRATION # 2

ILLUSTRATION # 1STOCK FRONT SHOCKILLUSTRATION # 2NEW FRONT LEAF SPRINGFRONT OF VEHICLESTOCK FRONTSPRING HANGERNEW FRONT SPRINGHANGER HARDWARESTOCK FRO

Page 7 - ILLUSTRATION # 4

ILLUSTRATION # 3ILLUSTRATION # 4STOCK SPRING SHACKLE HARDWARESTOCK SHACKLENEW FRONT LEAFSPRINGNEW FRONT SPRING SHACKLE HARDWAREDRIVER SIDENEW 5/8” X 3

Page 8 - ILLUSTRATION # 5

ILLUSTRATION # 5ILLUSTRATION # 6PASSENGER SIDE OF VEHICLENEW 5/8” X 3 1/2” X 9 5/8” U-BOLTNEW FRONT BRAKELINERELOCATION BRACKETNEW FRONT SHOCKNEW 5/8”

Page 9 - ILLUSTRATION # 8

ILLUSTRATION # 7ILLUSTRATION # 8NEW 5.5” LIFTED BLOCKNEW 5/8” X 3” X 14”U-BOLTSNEW 5/16” X 1”BOLT & HARDWARENEW REAR BRAKE LINERE-LOCATING BRACKET

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Tuff-country 14730 - GM 88-91 1/2 ton Blazer / Sub 4 box kit User Manual

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