The higher the RPM the hotter she gets.1990 Civic Overheating
04-30-2007, 03:22 AM
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The higher the RPM the hotter she gets.1990 Civic Overheating
1990 Civic Sedan 5 speed 96K miles
Car overheats and is losing coolant but I cannot find out where. The higher the RPM the hotter she runs. The fans are cutting on and at idle the car runs a fine temp unless boiling over.
Does this make any sense?
Car overheats and is losing coolant but I cannot find out where. The higher the RPM the hotter she runs. The fans are cutting on and at idle the car runs a fine temp unless boiling over.
Does this make any sense?
04-30-2007, 11:33 AM
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Easy way to see if your water pump is working....
Take the cap off the radiator.
Start the car and let it warm up.
When the thermostat opens your anti-freeze should be flowing like a river if your water pump is working properly.
If it isn't moving(or hardly moving)when your car is at normal operating temperature then I'd guess it was the water pump.
Take the cap off the radiator.
Start the car and let it warm up.
When the thermostat opens your anti-freeze should be flowing like a river if your water pump is working properly.
If it isn't moving(or hardly moving)when your car is at normal operating temperature then I'd guess it was the water pump.
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04-30-2007, 03:10 PM
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Re: (urbanlegend21)
U can have coolant enter the combustion chamber but not the oiling system. Usually from a crack. Have you even done a compression and leakdown test? That will tell you a lot more.
Janos
Janos
05-01-2007, 06:10 AM
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Re: (DenzComp)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DenzComp »</TD></TR><TR><TD CLASS="quote">I think he means head gasket.
</TD></TR></TABLE>
Theres not many other ghaskets that let coolant our your exhaust pipe lol. It wouldnt explain the heat fluctuation, but explains the loss of coolant. Low coolant plus high revs could easily mean that theres not enough coolant to cope with the large amounts of heat from an engine when its working hard. As your revs drop the coolant is able to get it back to a reasonable temp again.
</TD></TR></TABLE>
Theres not many other ghaskets that let coolant our your exhaust pipe lol. It wouldnt explain the heat fluctuation, but explains the loss of coolant. Low coolant plus high revs could easily mean that theres not enough coolant to cope with the large amounts of heat from an engine when its working hard. As your revs drop the coolant is able to get it back to a reasonable temp again.
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