GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

coolant leaked all over engine...

Old 08-04-11, 10:18 AM
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LifeEnjoyr
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Default coolant leaked all over engine...

So I was going to change the oil today and noticed that there was coolant that leaked all over the engine. I don't know where it came but I washed it off (should have snapped a pic!), so today I will try to drive around a bit and pop the hood again to see where it is coming from.

I hope it isn't anything too serious. I couldn't find too much info on coolant leaking here on the forums and would appreciate any input from anyone with this experience. I'm guessing it leaked from one of the hoses or something.
I recently got everything changed (timing belt, water pump, new radiator) about 3k miles ago or so.

I took her offroading earlier in the week two days in a row as well and went through some rough terrain in 90+ degree heat.
Old 08-04-11, 10:46 AM
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GXM35
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Maybe the reserve tank lid is not snapped into place properly and the off-roading splashed it out??? I'm sure you checked, but...
Old 08-04-11, 08:50 PM
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snhrph
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Originally Posted by LifeEnjoyr
So I was going to change the oil today and noticed that there was coolant that leaked all over the engine. I don't know where it came but I washed it off (should have snapped a pic!), so today I will try to drive around a bit and pop the hood again to see where it is coming from.

I hope it isn't anything too serious. I couldn't find too much info on coolant leaking here on the forums and would appreciate any input from anyone with this experience. I'm guessing it leaked from one of the hoses or something.
I recently got everything changed (timing belt, water pump, new radiator) about 3k miles ago or so.

I took her offroading earlier in the week two days in a row as well and went through some rough terrain in 90+ degree heat.
Buy a pressure tester at a local parts store and test the system.
Old 08-05-11, 01:35 PM
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ROSCOGX470
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Yeah a pressure tester is what you need. A pinhole may be difficult to find unless under pressure.
Old 08-07-11, 11:35 AM
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Originally Posted by GXM35
Maybe the reserve tank lid is not snapped into place properly and the off-roading splashed it out??? I'm sure you checked, but...
The tank is fine.
Old 08-07-11, 11:36 AM
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It's now leaking coolant under the car and it a brownish rusty looking color. I'm gonna have it looked at very soon.
Old 08-18-11, 06:49 PM
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My first inclination was to check the hose connections. Next would be to check the tank. After that you should check around the water pump. Seeing that you just had that replaced with the timing belt I am wondering if the seal around the water pump is good. Finding out how high the wettest spot is will tell a lot. Hopefully you got a good seal around that water pump when it was replaced.
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