This content was compiled automatically and has not yet been reviewed by a technician. For reference only.
For reference only. Always confirm part numbers and procedures for your specific vehicle.
Fault diagnosis
MG4 MY23: Wipers leave streaks or unwiped areas
Wipers still leave streaks or unwiped areas after windshield cleaning; the rubber may be hardened or cracked.
MG4 MY23: Wipers leave streaks or unwiped areas
Symptoms
- Wipers still leave streaks or unwiped areas after windshield cleaning; the rubber may be hardened or cracked. [1]
Possible causes
- The manual lists the effects of grease, silicone and petroleum contamination on wiping, and identifies hardened/cracked rubber and unwiped areas as conditions to check when considering replacement. [1]
Checks
- First check the glass and blade rubber for contamination and adhesion from ice or snow, then check the rubber for hardening and cracks; assess wiping performance after cleaning the glass. [1]
What to do
- Clean as instructed in the manual; if the above rubber damage is confirmed or unwiped areas remain after cleaning, replace according to the actual vehicle specification. Leave the type/OE number blank if unconfirmed. [1]
Applicability and limits
- Only applies to the MG MG4 configuration in the source; model year 2023; the vehicle model database is empty and no model is linked. Do not extend to other models. Scope: unknown [1]
Related part categories
- Wipers / Front windshield wiper blades / Windshield cleaning [1]
Sources
[Source 1] MG4 MY23 English-language owner manual from the official European website — PDF/printed p.300, Wipers / Wiper Blades (accessed 2026-11-01)
https://cdn.mgmotor.eu/manuals/EU-MG4-MY23_Owner-Manual-20230907_compressed.pdf
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