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1A Auto Video Library
Our how-to videos have helped repair over 100 million vehicles.

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How-to Videos for installs and repairs on GMC Envoy XL Cars

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How to Replace Headlight Bulbs on a Car Truck or SUV
How to Replace Headlight Bulbs on a Car Truck or SUV

This video shows you how to install headlight bulbs on any vehicle!

Brake Fluid Types Simple Way To Change The Fluid In The Brake Master Cylinder
Brake Fluid Types Simple Way To Change The Fluid In The Brake Master Cylinder

How to replace or refill old or dirty brake fluid. We also explain the differences between pre-DOT and DOT fluid, and between alcohol, castor, glycol, and silicone fluid.

Seal Puller - Available on 1A Auto
Seal Puller - Available on 1A Auto

1A Auto reviews the seal puller available on 1aauto.com

How To Replace Fuel Filter 2003-08 GMC Envoy
How To Replace Fuel Filter 2003-08 GMC Envoy

Learn how to replace the fuel filter on your 03-08 GMC Envoy. The mechanics at 1A Auto will show you how, step by step

Stuck Bolt Broke Welding Trick to Remove Rusted Broken Bolt or Stud
Stuck Bolt Broke Welding Trick to Remove Rusted Broken Bolt or Stud

How to remove a stuck, rusted, or frozen bolt using a torch.

How to Replace Four Wheel Drive Switch 2002-06 GMC Envoy XL
How to Replace Four Wheel Drive Switch 2002-06 GMC Envoy XL

How to repair, install, fix, change or replace a damaged, shorted, or faulty 4WD dash switch on 02, 03, 04, 05, 06, 07, 08, 09 GMC Envoy.

Remove a Locking Lug Nut From Your Car or Truck Without the Key
Remove a Locking Lug Nut From Your Car or Truck Without the Key

Some tips and tricks for removing a locking lug nut or wheel lock if you have lost the key.

AC Fuel Line Quick Disconnect Tool Set
AC Fuel Line Quick Disconnect Tool Set

1A Auto reviews an A/C and fuel line quick disconnect tool available at 1aauto.com

How to Replace Personal Setting Switch 2002-06 GMC Envoy
How to Replace Personal Setting Switch 2002-06 GMC Envoy

Watch this video to learn how to replace the personal setting switch on your 02-09 GMC Envoy.

How to Loosen A Stuck Radiator Hose
How to Loosen A Stuck Radiator Hose

In this video, 1A Auto shows you a trick of the trade to help loosen up those pesky stuck rubber hoses.

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