![]() a few years back i was chatting to tim (aquavalver) who mentioned after a paint job in the engien bay he kept blowing headlight fuses. Last thing you want to do is bypass the sensor thinking all is well, then whatever damaged the wire carry on and do worse damage to the loom. if its a later 90 then the loom will all be wrapped in tape rather than chunky plastic which probably has all fallen off, leaving wiring exposed to damage. A new coolant tank will get rid of your low coolant when it is cold out, or. My car recently started to have the coolant light come on blinking red and after a few miles the temperature gauge goes to red. Thread starter jmarshall Start date jmarshall Veteran Member. as the coolant tanks ages, so does the sensor that is build into the coolant tank. VW MKVI-A6 Jetta Sedan ( 2011+) Flashing 'Coolant System Malfunction' light. also follow the loom from there back to the brake servo area too, look for any spots that are crimped or chaffed. (Edited by Moderator) A flashing coolant light has nothing to do with the actual coolant, it has to do with the sensor in the coolant tank.or whip out all the lighting loom to find the problemīut you'll probably find if a wire has snapped it'll be near the header tank, so i would pop the header tank off its brackets and check the wire over where it comes out of the main loom looking for obvious damage. this is how the mk2 carbys were from new! if that sorts it then you just need to do the same thing but more permanent. if you check out my fusebox faq you can see the 2 pins on fusebox for level sensor, if you stuff a bit of wire into the back across the pins and see if that sorts it. Jumped the oil pressure switches (one normally open, one normally closed), keeps still, a-blinkin.Īny insight to re-mediate, much appreciated.Okidoki then, dead dash or wiring. checked the injection pump timing: dead-on. swapped the coolant level relay, no problem. swapped out the glow plug relay, no problem. relatively new coolant tank indicator switch (1 year), jumped the coolant tank, coolant level thermo switch…no change, keeps blinking. I have already done so for my next maintenance anyway but I was just curious if anyone has had. I checked the book and it just says if its flashing to contact the dealer. checked all wiring from the terminal block for shorts, loose connections and broken wires. The past two days when I went to warm up my car, when I got back in it to leave I noticed the engine coolant light flashing. replaced the Radiator fan thermo switch with the OEM recommended unit (95-102 C). ![]() replaced the wiring connectors for above switches jumped these to confirm good connections. replaced the (3) thermo switches on the coolant system. ![]() scoped out Bentley to confirm wiring tracks, professional advice is, "this lies in the instrument cluster". Odd symptom is: lack of pressure build-up in the coolant reservoir…cool weather no pressure, no problem? The car still gets 41-44 mpg regularly probably not a head gasket issue. When it gets up to operating temperature the gauge reads a little high but, not over heat….the red coolant light keeps, ‘a- blinkin’. Do NOT use high team driving lights within 400 metres (1,000 feet) of an oncoming car. Fines can apply for use of high beams in dense residential areas. These lights are used for 0.01 of driving and typically for country roads late at night. When the A2 starts –up, key-in-ignition, the bulb check cycles and goes off and then the coolant light sets, ‘a-blinking’. This means your front high-beam driving lights are on. Last oil change and the indicator light started flashing. She is a cream-puff, 912,000 miles on the clock. Hope to get the forum’s best advice and assistance to re-mediate a blinking coolant indicator light on a 1989-90 A2 Jetta NA diesel.
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