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VQ 5L v8 getting hot

shreks vp

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hi all i got a VQ V8 and it gets very hot i tried taking thermostat out and sam brought brand new radiator not much different then tried elec themo fans 14" 1 on front 1 on back now takes longer to get hot any ideas??
 

ucwepn

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Do the water and oil look healthy? Are you getting good pressure in the cooling system? Top hose should be firm when warm.

Mine was getting hot very easy until I changed the radiator cap and now it seals properly its much better, worth a try if you can't find any other problems :)
 

shreks vp

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oil is good water is clean and it got a new radiator cap with the new radiator and yeah it has pressure in hoses
 

shreks vp

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any ideas only thing i can think of is water pump
 

Mad Pete

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taking the thermostat out wont help at all the coolant now flows thru the radiator faster and dosnt have a chance to cool down..
 

Circlotron

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taking the thermostat out wont help at all the coolant now flows thru the radiator faster and dosnt have a chance to cool down..
I reckon that would also mean that the water flows through the motor faster too and so wouldn't have a chance to heat up!
 

shreks vp

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i will try another thermostat again then and i got another elec fan to try
 

Stato83

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Try a cold air intake with a k&n filter, check your oxygen sensors,walsh plugs etc. My VQ is currently experience heating problems on hot days.
 
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