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Coolant leak 2011 LR4

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Old Sep 20, 2021 | 01:10 PM
  #1  
LR4DK's Avatar
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Default Coolant leak 2011 LR4

Have 2011 LR4 had coolant leak under front part of the engine.
have changed water pump but still have the same leak.
I don’t think it’s from crossover pipe cause the wet spots detect higher point than crossover pipe position.

where would you guys suggest to look after this point?

thank you

 
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Old Sep 20, 2021 | 11:59 PM
  #2  
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I don’t quite understand what you mean by “wet spots detect higher point than crossover pipe position.” But, if you thought the leak could be at the water pump, then it definitely could be the front crossover. The most common place for the crossover to leak is where the crossover pipes go into the block, in the valley of the engine right behind the water pump. If you have a borescope, you could slip it down into the valley just past the oil filter and look for coolant residue.

The other leak I’ve read about is the thermostat housing, so maybe check that as well.

One other thought- when you replaced the water pump, you also replaced the oil cooler tube and both seals on the tube, correct? And it seated correctly? That tube can be tricky to get back into place. Just recently, another forum member (can’t remember if here or on landroverworld.org) replaced a water pump and continued to have a leak - turned out one of the seals on the oil cooler tube got twisted when he replaced it and wasn’t sealing properly.
 
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