Question about 1987 Volvo 240
Wipers only operate in fastest mode
I have seen a simular fault which ended up being the intermittent wiper relay was full of water from water collected in the airconditoners evaporator tray.
The water has problems escaping this tray & when you go around the corners the water rans out onto your feet & the intermittent wiper relay is mounted down the side of the transmission wall & gets soaked along with the carpet.
I suggest you find the relay, remove it check the inside of it for water damage. If stuffed replace it & also suggest to check your evaporator's tray & rubber S bend drain for obstructions. I think this is a design fault in all 240s.
Another fault I have seen with the wiper motor is it not running too well with excessive noise, due to water getting into the motor through the 2 mounting clips on the round part of the motor casing to the casting. There are 2 small slots which allows water into the motor.
I suggest remove the wiper motor by removing the cir clip & or nut under the dash board connecting to the arms, Then the 3 x 10mm bolts & carefully pull the wiper motor apart don't loose the 2 angled clips & screws, clean & re grease the motor & try not to damage the maganets or over tighten the 2 screws & re assemble in reverse order.
Posted on Jul 22, 2008
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Posted on Jan 02, 2017
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