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 MANUALSPONTIAC1983J2000/SUNBIRD L4-121 2.0LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSWIPER BLADES - CHATTER ON WINDSHIELD
1983 Pontiac J2000/Sunbird L4-121 2.0L
Wiper Blades - Chatter on Windshield
1983 Pontiac J2000/Sunbird L4-121 2.0LSECTION Wiper Blades - Chatter on Windshield
90pontiac22
Bulletin Number: 91-10-8
Reference Number: 031066
Publish Date: 11/90
Subject: CHATTERING WIPER BLADES OR BLADE WIPEABILITY (CLEANING PROCEDURE)
Models
Affected: 1982-1991 ALL MODELS
This bulletin cancels and replaces bulletin 87-10-4 issued 10/86. Please discard bulletin 87-10-4.
Condition:
Chattering and poor wipeability comments may be due to the windshield glass and/or wiper blades becoming contaminated by insect residue, dirt, road grime, car wax etc.
Correction:
1. Clean the windshield glass with GM # 1050011 (Bon Ami) glass cleaner or equivalent.
Important: The glass is clean when rinse water does not "bead-up", but "sheets" across the entire glass surface. Multiple cleanings may be required to remove all contaminants.
2. Clean the wiper blades by using a cloth that has been saturated with full strength washer solution and wipe vigorously. Rinse the blades with water after cleaning.
Bulletin Number: 91-10-8
Reference Number: 031066
Publish Date: 11/90
Subject: CHATTERING WIPER BLADES OR BLADE WIPEABILITY (CLEANING PROCEDURE)
Models
Affected: 1982-1991 ALL MODELS
This bulletin cancels and replaces bulletin 87-10-4 issued 10/86. Please discard bulletin 87-10-4.
Condition:
Chattering and poor wipeability comments may be due to the windshield glass and/or wiper blades becoming contaminated by insect residue, dirt, road grime, car wax etc.
Correction:
1. Clean the windshield glass with GM # 1050011 (Bon Ami) glass cleaner or equivalent.
Important: The glass is clean when rinse water does not "bead-up", but "sheets" across the entire glass surface. Multiple cleanings may be required to remove all contaminants.
2. Clean the wiper blades by using a cloth that has been saturated with full strength washer solution and wipe vigorously. Rinse the blades with water after cleaning.
RENDER: 1.0x
NO RELATED
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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.