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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 97 (WIPER SYSTEM & WASHER SYSTEM)REPAIR INSTRUCTIONSWINDSHIELD WASHER SOLVENT HEATER REPLACEMENT
2009 Chevrolet Tahoe Base, 4.8 C

Windshield Washer Solvent Heater Replacement

2009 Chevrolet Tahoe Base, 4.8 CSECTION Windshield Washer Solvent Heater Replacement
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Windshield Washer Solvent Heater Assembly & Components
GM1669973Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedure: 
Remove the left side front fender rear upper bracket in order to access the heater more efficiently. Refer to Front Fender Rear Upper Bracket Replacement .
1 Windshield Washer Nozzle Hose (Outlet)
Tip:  Disconnect the air inlet panel hose from the outlet side of the heater assembly.
2 Windshield Washer Pump Hose (Inlet)
3 Windshield Washer Pump Hose
4 Windshield Washer Solvent Heater Assembly Electrical Connector (Qty: 2)
Tip:  Disconnect the electrical connectors.
5 Windshield Washer Solvent Heater Assembly Nut (Qty: 2)
NOTE: Refer to Fastener Notice .

Tip:  If the bracket is being replaced.

Tighten:  9 N.m (80 lb in)
6 Windshield Washer Solvent Heater Assembly

Procedure

  1. Disconnect the electrical connectors after removing the heater from the lower plenum panel studs.
  2. Prime the heated washer fluid unit after installation.
  3. Cycle the normal wash function until washer fluid sprays from the windshield washer nozzles.
  4. The normal wash function fills the heated washer unit with washer solvent after replacement.
  5. Activate the heated washer spray function and inspect for proper operation.
RENDER: 1.0x

NO RELATED

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

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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.