* Check for loose connection of wiring at terminal 14 connectors of * Check coolant level sensor for continuity. * Check coolant level, top up if necessary. Subject: Coolant Temperature Gauge Light flashesįlashing coolant temperature light may be caused by: * Parts Department for latest parts information. * confirm proper operation of temperature gauge and blinking LED per Temperature Gauge, checking and troubleshooting * refer to appropriate Service Microfiche Group 90 - Coolant Replace coolant level control unit or instrument cluster circuit * if wiring, coolant level sensor and coolant concentration are OK, Processor of the instrument cluster circuit board. Up to 1989 model year and thereafter it is integrated into the multi. The control unit is located on top of the fuse/relay panel on vehicles * check coolant level control unit using wiring diagram * overtemp / low coolant LED to activate. * Coolant concentrations of 60 percent or higher will cause the * Mixing should be performed before filling vehicle cooling system. If coolant resistance is NOT within the above specifications, theĬoolant MUST be drained and replaced with NEW coolant mixture ofĥ0 percent water and 50 percent phosphate free coolant antifreeze, *** must be between 31K Ohm and 65K Ohm with correct COOLANT LEVEL * check resistance of level sensor with digital multimeter Fluke 83 * set digital multimeter, Fluke 83 (US 1119) to ohms function * check coolant level in coolant reservoir * disconnect coolant level sensor electrical connector The following applies IN ADDITION to tests listed in the Service Subject: Coolant Indicator LED is Flashing at Normal TemperaturesĬoolant overheat / low coolant level indicator LED is flashing atĬheck the coolant indicator LED according to the list below. There was also a tech bulletin on this back in 1992 from VW LiMBO (late model bus club) LiMBO is on Facebook too! John - 86 Wolfsburg Westfalia "Weekender" RIP Mr, Meeks, you're still having a positive impact. So there you have the article, and the RescueSquad he founded, saved the day. For the those following along at home, when I was trying to find the resistance readings for the coolant sensor (man I need a Bentley at work), I found good info on BTDT.and it was John Meeks himself (RIP) who had posted that article that led us to the relay. You can also try letting the blinking light stop before starting engineįound relay on use block with corroded terminals all set with that now the starters giving symptoms of goingĬhris (This is John - the Rescue Squad person you contacted.) I discovered that there is a time delay printed circuit behind the fuel gage. I had exact same condition, tried all the above suggestions but nothing fixed the problem. Posted: Mon 9:36 am Post subject: blinking red light Thank you i talked to a local rescue squad guy and he says the same to check the coolant senser.gonna do that now Posted: Mon 9:24 am Post subject: temp gauge flashing "To travel hopefully is a better thing than to arrive." Robert Louis Stevensonīuilding a bus for travel in Europe (euroBus) '87 Westy w/ 2002 Subaru EJ25 and Peloquin TBD (Edit: Syncro Jael types faster than I do. You can unscrew the level sensor and try cleaning up the probes. Is coolant full in the bottle with the pressure cap (not the one you see from the license plate)? If so then you likely have a bad coolant level sensor, a bad connection at the plug, or a bad wire. Subaru EJ25 Forged Frankenmotor, Triple Knob. The expansion tank has the "Black" or "Blue" cap with a hose attached. If you did then check the wires coming from the sending unit on the expansion tank. Leaving from cape cod to baja today light on temp guage is s not running hot ,coolant is full? any ideasĬheck the expansion tank not the overflow tank for low coolant. Posted: Mon 9:00 am Post subject: red light on temp guage flashing Quick sort: Show newest posts on top | Show oldest posts on top
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