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AlexDUB

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Everything posted by AlexDUB

  1. Hello everybody! I have searched for the last 2 days on the internet about a problem like mine, but no chance, and hope to find a solution to that here. Problem: If i leave the car idle, it gets to 95 degrees when the first stage goes ON, and then OFF after about 20 sec, and continues this cycle of ON and OFF till the water temp stabilizes at around 102 celsius. The water circuit pressure gets high (about 2.5 bar). The second fan stage isn't going, but due to water temp rising, the THIRD stage starts eventually which is making the fan belt to squeak horrible at startup. That's the first thing i do not understand. If the water doesn't reach the thermoswitch closing point why are the fans shutting off in the first stage? Are there so big temp differences between the rad and the thermostat flange where the other temp sensors are? On the highway instead, even in high climate temperatures, the water temp is around 80 at all driving speeds. Checked: -fan relay module - OK -thermoswitch- new OEM part OK (bought another one thinking it is faulty, but boiled it and everything is ok) - radiator - brand new OK - thermostat - OEM new OK - wirings - OK - new hoses and aluminum billet crackpipe - fans - OK - water pump, electric pump new and OEM - OK - no gases in the cooling liquid, so no head gasket or cylinder head. I even got the fan module relay on the table with 12 volts hooked to it and simulated all the conditions on the car, and worked perfect! Both fan stages run if i bridge the thermoswitch wires. This is driving me nuts, because i only drive the car on long journeys and have to avoid sitting idle. When the temp is going high and the hoses pressurize over the limit, i avoid giving it a boot, because something would snap (hose, rad, heater, flange…) It is very frustrating… I have a brand new engine built 2 years ago and not solved this issue… Not to mention that the high temps are not making any good to the engine. Regards!
  2. AlexDUB

    HI, guys!!!!!

    Thanks, mate!!! :wink: And with the other 2 questions ... nobody??? It's very annoying... PLS help!!!:roll:
  3. AlexDUB

    HI, guys!!!!!

    Hi, rado-freaks, this is the first post of mine on this forum and i find it very helpful and full of interesting things. I just bought an '92 VR6 AAA 2.8 bored to 2.9...(says the ex-owner) and it has some probs: 1) IN aprox 15 min after starting the car, a "click" is heard from the engine bay and when i'm releasing the clutch, a "hrrrr" sound appears. I suspect the compressor clutch... and so on... it dissapears...it appears again... I mention that the heat is on at the windshield pos. 2) (...that's a heavy one) Starting in 1'st gear, revving up till 6000 or so, shifting 2'nd, and the engine seems to shut down and rev again very quickly. It's almost like it would rip the mountings off. The rpm-meter is 0-5000 suddenly and the lights of the instr cluster are blinking fast, in accordance to the rpm-meter. If i drive it normally, it runs great. This happens only when i kick down. PLS help! Thanks in advance and sorry for my english.. Oh, and i'm interested if someone could tell me the differences from an '92 european vr6 and an US '92 VR6. :salute:
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