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Nicks Singh
Nicks Singh Posted on Jul 16, 2009
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13b turbo rx7 S6 overheating after we replaced the twin fans and Radiator and thermostat

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  • Posted on Jul 16, 2009
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Joined: Apr 23, 2009
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Make sure you use new coolant with this process. Dexcool is recommneded only Because the maintanance Interval is more than 100k miles.
Are the fans Switching on when the vehicle reaches Operating tempurature?
Do you use Higher viscosity oil for the engine, and allow for the trubo to cool off after hard runs?
Did you install the Thermostat correctly.
Most likely it might be the Coolant, Do not use pure water for cooling. It will evaperate eventaully even with a hihger psi radiator cap.

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My 2001 a6 2.7l twin turbo is overheating even try to run heater but now blows cold air only. What could it be, thermostat, or clogged radiator, or water pump? Please let me know what you think!!!
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I have a 1989 mazda rx7 convertible automatic with the 13b rotary engine and im going to swap the engine and tranny for the 13b turbo engine and manual tranny,and also have ecu.is it hard to swap and how.
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My 1996 Volvo 850 2.4 I5 non-turbo appears to be overheating. I replaced the Thermostat but it still appears to be overheating. How do I troubleshoot to see if it is the radiator or maybe the cooling fans?
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Jan 13, 2010 • 1996 Volvo 850
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The overheating light keeps coming on whenever i drive about 10 miles or more
Is this a turbo or diesel. Chech to see if your electric fans are turning. If their not turning one or both of the engine temp sensors might be faulty or the fans might have a blown fuse. If the fans are turning you might have a faulty thermostat not allowing fluid to flow into the radiator or the thermostat could be stuck open allowing too much flow and not giving the coolant enouphe time in the radiator to cool down. either way replace the thermostat. Hope this helps salve your issue.
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Aug 18, 2009 • 2001 Volkswagen Beetle
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I need a site where i can download a mazda rx7 13b turbo repair manual for free
www.onlinefreeebooks.net/pdf.../mazda+rx7+repair+manual/
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Jul 19, 2009 • 1993 Mazda RX-7
1helpful
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Well i have a 1987 Mazda Rx7 with a 13b non-turbo
public library...Chilton or Haynes auto repair manuals or collisionrepairadvice.com


many of your questions can only be answered when the engine is apart and after visual examination.   Sorry I can't help more.
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Mar 25, 2009 • 1987 Mazda RX-7
0helpful
2answers

1989 mazda rx7 turbo over heating
Hi and welcome to FixYa,

A couple of ideas you may want to explore:
  • the engine overheating after a shutdown could perhaps be addressed by installing a time delay off on the relay of the radiator fan. The idea is after absence of Ignition B+12 (engine off), the fan/relay should still be energized for a number of minutes so as to cool the radiator;
  • idling the engine for about 5 minutes before shutdown is a good practice. this enable the engine to cool slowly rather than an abrupt change in temperature of the external but the inside is still rather hot;
  • the opening of the thermostat is triggered by the temperature of the water above it not below (where the spring is);
  • in my country, where it is relatively always hot, some mechs remove the thermostat (of course not applicable in cold climates);
  • a more helpful idea would be the installation of an electric water pump in lieu of the mechanical one. There are several after market models. Pls try here, here or here for a start;
  • it is also possible to wire the electric water pump to still run for a minute or more similar to the proposed time delay for the radiator fan above.

Good luck and Thank you for using FixYa. Happy Holidays.
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Dec 07, 2008 • 1989 Mazda RX-7
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My 2001 a6 2.7l twin turbo is overheating even try to run heater but now blows cold air only. What could it be, thermostat, or clogged radiator, or water pump? Please let me know what you think!!!

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