With fan on high and grounded to the door hinge, I am seeing 12 volts on the green and yellow with greeen strip. The small blue wire is at 8 volts. The brown and tan wires are both

While driving up/down rolling hills at 80km/h with A/C on the stats typically look like engine 95-102, radiator 80-95. coolant pump running between 53 1/min and 150 1/min fan does not run (that i can hear). When i turn off the A/C and put on the heater the temp drops about 10deg, the pump starts cycling 0-200 1/min and and the fan starts cycling. 13 posts · Joined 2020. #1 · Sep 24, 2020. l have 2008 bmw 328i 95000mile overheating problem. water pump is working. installed new mahle thermostat. still changing parts.Fan is working eradically. I do not know if radiator is ok or not. engine running good. I checked hc at the radiator reservior tank. nothing detected. My FSR finally gave in at 15y/140K, so I took the opportunity to take some photos for those who need to trouble-shooting HVAC Blower Motor and FSR circuit. In 90% of the cases, the FSR fails. In 10% of the cases, the HVAC panel fails. There are 2 ways an FSR can fail: 1. Not working at all (this is my case) 2. BMW E92 3-Series (2007-13) BMW E93 3-Series (2007-13) Project Time: 2 hours. Tab: $150. Talent. Tools: Flathead screwdriver, trim panel tool, T25 Torx driver. Parts Required: Clock spring, turn signal / wiper switch. Performance Gain: Repair faulty switches or clock spring. Complementary Modification: Steering column trim panels also covered in
1. Pull the female terminal connector from the dual-temp switch. 2. With a voltmeter and the ignition turned to the run position, check between terminal 1 on the female connnector and ground for 12V. 3. Turn the ignition off and rig up a jumper wire between green/black and and black on the female connector.
20 lovely c6 corvette wiring diagramRadiator fan diagram C4 corvette q&a: starter relay, cooling fan relay, wiring diagramCorvette cooling. 1989 corvette heater wiring schematicC2 heater blower connections Wiring schematic request for dual fan upgradeBlower motor with a/c wiring diagram. Check Details. Corvetteforum corvette. Fan ac working c4
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > E90 overheating, can't find problem. Google Search Search Forums In this article, I'll go over the steps involved with replacing the radiator on BMW E90 models. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening cooling system. Drain cooling system. See our tech article on cooling system draining and filling. Remove electric cooling fan.
Run the defroster on high and bring the vehicle up to temp. If it is still the same then the most likely failure is the water valve unit. The water valve is a pulse width modulated component that is controlled by the heater control panel. There are two feed from it to two sections of the heater core. On your vehicle you have a dual section
Join Date: Jan 2012. Location: Arizona. iTrader: ( 0) E90 Heater Core DIY. Okay, here is a comprehensive DIY for replacing the heater core on an E90. Mine does not have the iDrive, so, if you do, there will be a few additional and different steps. Hopefully you can work around it.

Fuel heater (Diesel) F67: 50: Blower output stage: F68: 50: Vacuum pump relay: F69: 50: Engine cooling fan: F70: 50: Secondary air injection pump: F71: 20: Trailer socket: F72 — Not used: F73 — Not used: F74 — Not used: F75 — Not used: F76 — Not used: F77: 30: Fuel injectors Ignition coils Interference suppression capacitor: F78

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Sure, 270 oil temp is hot, but the oil cooler gets no help from the radiator fan. These engines are designed to run a lot hotter than previous generations for 2 reasons: aluminum block sheds heat faster than older cast iron engines, and fuel efficiency. Hotter engine = better fuel efficiency. This is on page 103 of the 2007 owners manual. Maximum cooling. At outside temperatures above 32 degrees F/0 degrees C and when the engine is. running, you obtain a maximum cooling effect as soon as possible. The automatic climate control switches to the lowest temperature and operates in recirculated-air mode. 1) Fan goes nuts. Fan runs too fast, he can even hear it with music on. Fan going-nuts does sound like airplane's flying by. 2) Engine overheats. Temperature gauge stays at 6(middle), and slowly goes down toward 7(red zone) as fan goes nuts. Stays near red zone(2-3bars), then gauge drops to red zone and iDrive displays overheating warning message. The only thing that changes the temperature at vent level seems to be outside temperature. This morning it was 30F outside, driver vent blew some warm air but passenger vent blew cold. This afternoon while it was 54F out both blew warm while on interstate. Last week when it was 20F both blew cold. 126 posts · Joined 2013. #3 · Feb 15, 2016. It cranked slow this morning but it was very cold. I put the heat on auto and came back 15 minutes later to a cold interior with no heat blowing. It came on full when switching to windshield defrost. During the trip to work I tried other heating options which all shut off the fan completely. My heater/air-con fan has stopped working and I have checked fuse 76 is ok. Got INPA working and am trying to get to grips with it. Had a look through the air-con sub-menu to try and pin-point the fault. I can tell it to adjust the controls via my laptop. Fan still does not work though. First you must figure out electrical wiring digrum of the blower motor circuit. Check FSR fuse which is inside the passenger side (Right hand drive) of the g QJ3k4W.