Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 564 (WIPER SYSTEM & WASHER SYSTEM)REPAIR INSTRUCTIONSWASHER SOLVENT CONTAINER REPLACEMENTREMOVAL PROCEDURE

1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Remove the battery. Refer to Battery Replacement in Engine Electrical.
Drain the washer solvent from the washer solvent container.

Fig 1: View Of Washer Solvent Container Level Sensor Electrical Connector

GM774666

Courtesy of GENERAL MOTORS CORP.

Disconnect the washer solvent container level sensor electrical connector.

Fig 2: View Of Washer Solvent Container Components

GM771826

Courtesy of GENERAL MOTORS CORP.

Disconnect the rear washer pump electrical connector if equipped.
Disconnect the washer hose from the rear washer pump if equipped.

Fig 3: Identifying Front Washer Pump Electrical Connector

GM697664

Courtesy of GENERAL MOTORS CORP.

Disconnect the front washer pump electrical connector.
Disconnect the front washer hose from the front washer pump.

Fig 4: Locating Washer Solvent Container Screws

GM697662

Courtesy of GENERAL MOTORS CORP.

Remove the washer solvent container screws.
Remove the washer solvent container from the vehicle.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.