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New A/C Compressor Clutch not engaging

Discussion in '4th Gen 4Runners (2003-2009)' started by nick.frank32, Jun 8, 2020.

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Jun 8, 2020 at 11:53 AM

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nick.frank32 [OP] New Member

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May 15, 2020

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So I had the blinking A/C light issue with my 2006 4.0L 4Runner SR5 and figured I had a bad compressor clutch since it was very rusty. This past weekend I replaced the entire A/C compressor as well as the drier and vacuumed the system (held near 30 inches of Mercury for an hour). I started to add freon in the system with the vehicle on, A/C on, and fan on low but the clutch is not engaging even with 70 psi showing on the low side gauge? I checked the relay and it is fine, I have also ordered a power probe to test the clutch to double check that it engages. According to the service manual it looks like it could also be the A/C amplifier.. Does anyone have any advice on the next steps to take?

Thanks in advance!!

nick.frank32, Jun 8, 2020

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