G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Found A coolant leak. Not sure what this part is called.

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Old Oct 24, 2023 | 10:22 PM
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Ryan65's Avatar
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Unhappy Found A coolant leak. Not sure what this part is called.

Sorry for the horrible pics, it was the best I could get trying to fit my arm and my phone down in this area lol. I've been having overheating problems with my G, and I always find a tiny puddle of coolant under the engine on the splat pad under the block, I thought it was the water pump so I replaced that, no luck. I think I may have found it but I'm not sure what this location is called. This photo for reference was taken on the driver side, underneath the engine block. It is directly under the thermostat / water pump area in the FRONT of the engine. Does anyone have any idea what the name of this part is? or could it possibly be leaking down onto it from higher up?

 
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Old Oct 27, 2023 | 06:27 PM
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Originally Posted by Ryan65
Sorry for the horrible pics, it was the best I could get trying to fit my arm and my phone down in this area lol. I've been having overheating problems with my G, and I always find a tiny puddle of coolant under the engine on the splat pad under the block, I thought it was the water pump so I replaced that, no luck. I think I may have found it but I'm not sure what this location is called. This photo for reference was taken on the driver side, underneath the engine block. It is directly under the thermostat / water pump area in the FRONT of the engine. Does anyone have any idea what the name of this part is? or could it possibly be leaking down onto it from higher up?

The pics are took lousy to get any responses.
Can't ID what I am looking at.
Sorry.
 
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Old Oct 28, 2023 | 09:25 PM
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The coolant lines for the “oil cooler” run behind the AC compressor. There is a chance your line there is leaking now. Pics don’t do it justice, but it seems like that is what you mean behind the AC pulley tensioner.

rent a pressure tester kit and pressurize your radiator. You’ll see whatever is loose / broken / etc leaking!
 
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Old Oct 29, 2023 | 12:40 PM
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Originally Posted by Urbanengineer
The coolant lines for the “oil cooler” run behind the AC compressor. There is a chance your line there is leaking now. Pics don’t do it justice, but it seems like that is what you mean behind the AC pulley tensioner.

rent a pressure tester kit and pressurize your radiator. You’ll see whatever is loose / broken / etc leaking!
Wow..good eye!!
 
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