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Fd small Coolant leak

Old 01-02-19, 02:26 PM
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CA Fd small Coolant leak

Recently found a small mount of coolant on the ground usually when the car has been at operating temp for a while and turned off
i seached different threads and looked for the usual caps and overflow tank i can rule them out for now
i checked the water pump but it seems fine(was hoping itd be the cause)

it seems to be dripping the both sides of subframe and. i checked the engine drain and its good
i think its one leak and coolant just spreads

what lines run around that area?
what page of the fsm should i look at?

car is stock
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Old 01-02-19, 02:41 PM
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Post #2 here has a diagram showing most of the hoses on the engine, it doesn't show the heater hoses.

https://www.rx7club.com/3rd-generati...thread-571088/
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Old 01-02-19, 03:17 PM
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Thanks this should hopefully help
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Old 01-02-19, 04:17 PM
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If you do a pressure test you'll find it and likely other leaks you didn't even know you had. It's what happened with me anyway. Likely the uim will need to come off so you can actually see the hoses. Separate the throttle body from the him BEFORE you remove it to keep that little useless coolant line in place.
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Old 01-02-19, 04:27 PM
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+1 on coolant system pressure test

If you have never replaced the coolant hoses, suggest you do them all in one shot. Ray Crowe can get you the OEM hoses and hose clamps at a nice discount. The hose clamps make installation sooooo much easier. Many of these hoses are a bitch to get to. Do it once. Do it right.
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Old 01-02-19, 06:38 PM
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After pulling things apart and double checking things.
the leak from drivers side subframe i guess i forgot to fully tighten the drainbolt

And on the passenger side ive narrowed it down to the section near the actuator/wastegate are
does not look to be coming from the top of the turbo
so maybe the return line

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