Workshop Repair and Service Manuals GMC SIERRA
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Wiper Blade Replacement

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Windshield wiper blades should be inspected for wear or cracking. See Maintenance Schedule on page 11?3 for more information on wiper blade inspection.

Replacement blades come in different types and are removed in different ways. To remove the wiper blade:

1. Pull the windshield wiper arm connector away from the windshield.

2. Squeeze the grooved areas on each side of the blade, and turn the blade assembly away from the arm connector.

3. Install the new blade onto the arm connector and make sure the grooved areas are fully set in the locked position.

For the proper type and size, see Maintenance Replacement Parts on page 11?15.

Engine Air Cleaner/Filter     If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures. See Engine Compartment Overview on page 10?6...
Noise Control System     The following information relates to compliance with federal noise emission standards for vehicles with a Gross Vehicle Weight Rating (GVWR) of more than 4 536 kg (10,000 lbs). The noise control system warranty is given in...
Adding Washer Fluid     The vehicle has a low washer fluid message on the DIC that comes on when the washer fluid is low. The message is displayed for 15 seconds at the start of each ignition cycle. When the WASHER FLUID LOW ADD FLUID message...
Replacing the Engine Air Cleaner/ Filter     1. Locate the air cleaner/filter assembly. See Engine Compartment Overview on page 10?6. 2. Loosen the four screws on the cover of the housing and lift up the cover. 3. Remove the engine air cleaner/ filter...
What to Do with Used Oil     Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand...
Consistency of Readings     Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsistent, contact the dealer.