Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
ORDER TOLL FREE:
1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit
Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S.
funds.
See also:
Owner Checks and Services
At Each Fuel Stop
Check the engine oil level. See Engine Oil .
Once a Month
Check the tire inflation pressures. See Tire Pressure .
Inspect the tires for wear. See Tire Inspection .
Che ...
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) Or every two years, whichever
comes first.
b) Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition. Check that
the purge valve, if the vehicle has
one, wor ...
Driving for Better Fuel Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
• Avoid fast starts and accelerate
smoothly.
• Brake gradually and avoid
abrup ...