Buick Encore: Exterior Trim- Description and operation
Buick Encore 2012-2019 Service Manual / Accessories & Equipment / Exterior Trim / Exterior Trim- Description and operation
WATER MANAGEMENT DESCRIPTION AND OPERATION
Plenum Water Flow Direction and Cleaning
A large percentage of water will flow off the windshield area into the plenum chamber drain system and then down the outside on the plenum to the underside of the vehicle. To ensure that the plenum chamber water management system performs properly, the air inlet grille panel, plenum chamber, and drains must not be blocked with debris.
In the graphic below the gray arrows show the water flow direction in the plenum chamber and drains system.
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Fig. 42: Plenum Water Flow Direction And Cleaning
Plenum Chamber and Drain Valve-Cleaning
The plenum chamber is located in front of the windshield and below the air inlet grille panel.
- Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement (Encore) , Air Inlet Grille Panel Replacement (Encore) .
- Clean the plenum chamber, drains and the air inlet grille panel of debris blockage.
- Flush the plenum chamber, drains and the air inlet grille panel with clean water.
- Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement (Encore) , Air Inlet Grille Panel Replacement (Encore)
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Schematic wiring diagrams
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
SCHEMATIC WIRING DIAGRAMS
MOVEABLE WINDOW WIRING SCHEMATICS (ENCORE)
Front Windows
Fig. 1: Front Windows
Rear W
Fixed and Moveable Windows - Diagnostic information and procedures
DTC B0283: Rear defrost circuit
DIAGNOSTIC CODE INDEX
DTC B0283: REAR DEFROST CIRCUIT
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedu
SEE MORE:
Top Tier Fuel
GM recommends the use of TOP
TIER Detergent Gasoline to keep
the engine clean, reduce engine
deposits, and maintain optimal
vehicle performance. Look for the
TOP TIER Logo or see
www.toptiergas.com for a list of TOP
TIER Detergent Gasoline marketers
and applicable countries.
Recommended Fuel
Use
Fixed and Moveable Windows - Repair instructions
Windshield replacement
Special Tools
BO-24402-A Glass Sealant Remover (Cold Knife)
BO-39032 Stationary Glass Removal Tool
Use an adhesive that is approved by GM
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Open the hood.
Remove the windshield wiper arms. Refer to
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