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Old 06-01-16, 02:57 PM   #1
prgrisham
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Default Heater Core Replacement

Anyone out there got a step by step or know of a link to a video on how to remove/replace my heater core? it's a 2001 RX 300.

My servo kicked the bucket, and in getting it out, I put too much stress on the heater core line and it started leaking. Wonderful....

Thanks,

Patrick
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Old 06-02-16, 02:11 PM   #2
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Anyone? I looked under the dash an in the engine compartment... Looks very tight...

Curious what anyone would think of splicing in, instead of running the entire heater core and piping, just cut the pipes right around where the actuator is. splice together with hose and hose clamps.

I think it would be a lot less invasive, and much less risk of screwing something else up.

-Patrick
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Old 06-02-16, 03:53 PM   #3
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Splicing would be plan A for me. Very low risk and would save a ton of time and money.
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Old 06-02-16, 03:54 PM   #4
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Where did it break?


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Old 06-02-16, 08:31 PM   #5
prgrisham
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Quote:
Originally Posted by carguy07 View Post
Where did it break?


Where the line attaches to the actual core.
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Old 06-08-16, 04:13 PM   #6
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No leaks after 100 mile burn in.

I initially used 5/8 line, it was tight, too tight, I was having to stress on the same pipes I had bent previously and now was replacing, so I went with 3/4, and I used clamps in the middle to minimize the hose pinching from the bend

Actuator also replaced for 45$ for a used one. Works perfect. Wife has heat again.
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Old 06-08-16, 05:01 PM   #7
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Nice job; worth an sticky, maybe.
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Old 06-08-16, 05:15 PM   #8
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nice fix, if you end up with the clamps cutting into the hose, consider using a Unicoil
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Old 06-08-16, 09:12 PM   #9
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Nice!
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