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Cooling system

Tiny
ONYEMA
  • MEMBER
  • 1997 TOYOTA RAV4
  • 2.0L
  • 4 CYL
  • AUTOMATIC
  • 180,000 MILES
Since I change my radiator to one that asks for only water (Chinese I think) noticed that my engine heats up quickly and more quickly if the air conditioner is on, but the temperature indicator does not rise. Is it because I am not using coolant as the new radiator states, water only?

Onyema Agumanu
Nigeria
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Tuesday, November 1st, 2016 AT 5:07 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You should always use a 50/50 mix of water and coolant. I just get the premixed coolant bottles.I would never just use water.
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Wednesday, November 2nd, 2016 AT 12:54 PM
Tiny
ONYEMA
  • MEMBER
  • 22 POSTS
Yes I know but the radiator I fixed stated Water only. Should I then counter the instructions? It could damage my radiator. Please reply/help.
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Thursday, November 3rd, 2016 AT 9:26 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Use the coolant especially as you live in a hot climate, read the instructions on dosage for your average temp
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Friday, November 4th, 2016 AT 5:22 AM

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