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IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Coolant mess, temp gauge wacky

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Old Sep 11, 2023 | 10:45 PM
  #1  
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SeanO
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Default Coolant mess, temp gauge wacky

Sup ya’ll. 2010 IS350. The other day in a drive thru I noticed my temp gauge going hot. Right side of the temp logo.. got home and found coolant all over my rad, overflow reservoir very low. Could really see coolant dripping lower front of passenger side. Saturday night into Sunday morning jt leaked out all over the driveway. Got it to a shop just down the road and they said they can’t see any leaks.. so weird.. car runs normal, no shakes or anything. Water pump has not been replaced and I’m at 147(KM) so it’s definitely due to be changed.. They’re pressure testing in the morning and going from there. In 9yrs I’ve never had an issue with the car until now.. funny because now I’m trying to sell it haha coolant was replaced 3 yrs ago at 119(KM). This vehicle has not been winter driven in 10+ yrs.

TIA

Sean O
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Old Sep 14, 2023 | 11:26 AM
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Originally Posted by SeanO
Sup ya’ll. 2010 IS350. The other day in a drive thru I noticed my temp gauge going hot. Right side of the temp logo.. got home and found coolant all over my rad, overflow reservoir very low. Could really see coolant dripping lower front of passenger side. Saturday night into Sunday morning jt leaked out all over the driveway. Got it to a shop just down the road and they said they can’t see any leaks.. so weird.. car runs normal, no shakes or anything. Water pump has not been replaced and I’m at 147(KM) so it’s definitely due to be changed.. They’re pressure testing in the morning and going from there. In 9yrs I’ve never had an issue with the car until now.. funny because now I’m trying to sell it haha coolant was replaced 3 yrs ago at 119(KM). This vehicle has not been winter driven in 10+ yrs.

TIA

Sean O
What did the shop verify?
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Old Sep 14, 2023 | 07:10 PM
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Check the radiator cap.
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