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INTENDED USE OF THE TOOL

GM TORSION BAR UNLOADING TOOL

WARNING

DO NOT DISCARD – GIVE TO USER

The manufacturer warrants this product to the original user 
against defective material or workmanship with a lifetime 
guarantee.
The manufacturer reserves the right to determine whether 

the part or parts failed because of defective material, 

workmanship or other causes. Failures caused by accident, 

alteration, or misuse are not covered by this warranty.
The manufacturer, at its discretion, will repair or replace 

product covered under this warranty free of charge. Repairs 

or replacements of products covered under this warranty are 

warranted for the remainder of the original warranty period.
The manufacturer or its authorized service representatives 

must perform all warranty repairs. Any repair to the product 

by unauthorized service representatives voids this warranty. 

The rights under this warranty are limited to the original user 

and may not be transferred to subsequent owners.
The warranty is in lieu of all other warranties, expressed or 

implied, including warranties of merchantability and fitness 

for a particular purpose. Some states do not allow the 

exclusion or limitations of incidental or consequential 

damages, so the above limitations may not apply to you. 

LIFETIME WARRANTY

1809239-14

GM TORSION BAR 

UNLOADING TOOL

MST7842

Study, understand and follow all instructions provided with 
this product. Read these instructions carefully before 
installing, operating, servicing or repairing this tool. Keep 
these instructions in a safe accessible place. 

The MST7842 GM Torsion Bar Unloading Tool is meant to be 
used on 2010 and older GM vehicles to service and adjust the 
torsion bar. Do not use these tools outside of the designed 
intent. Never modify the tools for any other purpose or use.

Made in China

to Matco specifications

Caution: To help prevent personal injury

• Use of this product can expose you to chemicals including 

ethylene glycol, gasoline vapors and engine exhaust, which are 
known to the State of California to cause cancer, birth defects, or 
reproductive harm. For more information, visit 
www.P65Warnings.ca.gov. Always wear ANSI approved safety 
equipment, safety glasses and clothing when using this product. 
Study, understand, and follow all instructions provided with this 
product. Failure to read and follow all warnings and operating 
instructions may result in damages and serious injury or death.

• Always wear ANSI approved goggles when using this product. 

(Users and Bystanders).

• Never use this tool for any application other than for 
  which it was designed. 
• Only use accessories designed for this tool. 
• Never alter or modify this tool in any way. 
• Improper operation and/or maintenance of the tool, modification of 

the tool, or use of the tool with accessories not designed for it 
could result in serious injury or death. 

• Always select the correct accessories of the correct size and 

design for the job that you are attempting to perform.  

• Always work in a clean, safe, well-lit, organized and adequately 

equipped area. 

• Do not begin repairs without assurance that vehicle is in secure 

position, and will not move during repair. 

WARNING

Durable construction. 

Forged alloy design 

with 1" hex drive bolt.

Indispensable tool.

 Needed to service torsion arm

and front suspension on many 2010 and older GM 

vehicles including GMC and Oldsmobile.

WARNING: Tool is designed only to tension torsion 
arms for removal and adjustment, impact gun use
is not necessary or recommended. 

PRODUCT INFORMATION:

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