Honda Pilot - Intermittent A/C
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Date: 2020-08-05
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Comments and reviews: 10
Jeff
Its not just cars: broadcast equipment is similarly fickle, and magically behaves itself when someone calls me to check on it. As we like to say, its only intermittent part of the time.
When youre dealing with a relay, a voltmeter is handier than just a test light: a pitted contact like that will typically show a low but non-zero voltage on the load side, and tapping on it will often make the voltage jump around a bit. And even when the compressor does kick in, you probably wont see the full voltage it should be getting. That will also get the relay warmer than it would normally run.
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Its not just cars: broadcast equipment is similarly fickle, and magically behaves itself when someone calls me to check on it. As we like to say, its only intermittent part of the time.
When youre dealing with a relay, a voltmeter is handier than just a test light: a pitted contact like that will typically show a low but non-zero voltage on the load side, and tapping on it will often make the voltage jump around a bit. And even when the compressor does kick in, you probably wont see the full voltage it should be getting. That will also get the relay warmer than it would normally run.
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Michael
Check the voltage drop across the relay contacts when working anything close to 300mv bad relay compare the voltage drop to a good relay as the contact resistance heats up failure time voltage drop goes up relay has complete failure relay cools back down it works the ultimate intermittent checking voltage drop at the
a/c clutch when working check voltage drop or substitute a load at the clutch connector to see if there is voltage drop across in the circuit
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Check the voltage drop across the relay contacts when working anything close to 300mv bad relay compare the voltage drop to a good relay as the contact resistance heats up failure time voltage drop goes up relay has complete failure relay cools back down it works the ultimate intermittent checking voltage drop at the
a/c clutch when working check voltage drop or substitute a load at the clutch connector to see if there is voltage drop across in the circuit
reply
Peter
I know this is an older video, but I wanted to thank you for this. I was having the same issue on my '05 Outback, car was doing the same thing, fans came on and engine RPM went up, but no clutch. Messed around with the relay and it would come on for a bit. Ended up being the relay, the exact same part number as this Pilot.
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I know this is an older video, but I wanted to thank you for this. I was having the same issue on my '05 Outback, car was doing the same thing, fans came on and engine RPM went up, but no clutch. Messed around with the relay and it would come on for a bit. Ended up being the relay, the exact same part number as this Pilot.
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GTO
Watched WUW and a viewer asked if you or your employee was ase certified, reminded me of my sawmill days here in Oregon and this millwright that worked there had a 6th grade education. Sharpest man I have ever known when it came to anything mechanical or everyday life, I sure miss his wisdom.
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Watched WUW and a viewer asked if you or your employee was ase certified, reminded me of my sawmill days here in Oregon and this millwright that worked there had a 6th grade education. Sharpest man I have ever known when it came to anything mechanical or everyday life, I sure miss his wisdom.
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Brandon
Great video! I have a 2004 MDX with intermittent A/C and I put another relay in with no luck. The clutch will engage and disengage and of course when it's 90+ degrees outside it stays off. Any ideas on what to test next before I drop the cash on a new compressor and clutch.
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Great video! I have a 2004 MDX with intermittent A/C and I put another relay in with no luck. The clutch will engage and disengage and of course when it's 90+ degrees outside it stays off. Any ideas on what to test next before I drop the cash on a new compressor and clutch.
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John
You are like me. It failed, why? I don't like to buy refurbished computer, or any other electronics because the fix what is not working. They don't repair what may have caused the failure or what was damaged by the failure. Kind of like patching a tire and leaving the nail in.
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You are like me. It failed, why? I don't like to buy refurbished computer, or any other electronics because the fix what is not working. They don't repair what may have caused the failure or what was damaged by the failure. Kind of like patching a tire and leaving the nail in.
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Luis
I have a 2011 Honda Pilot the a/C work when we put the temperature to low, after 15 or 20 minutes stop blowing cold air, when we push the a/C don't do nothing, I changed the same relay but no luck. Is there another relay for this? I will appreciate your help thanks.
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I have a 2011 Honda Pilot the a/C work when we put the temperature to low, after 15 or 20 minutes stop blowing cold air, when we push the a/C don't do nothing, I changed the same relay but no luck. Is there another relay for this? I will appreciate your help thanks.
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autos
You should have removed the fuse box and cleaned all the connectors and then cleaned the contacts on the relay and heat shrink the cover back to the relay and reinstall it. I can't believe that you ripped off your customer for the price of a new relay.
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You should have removed the fuse box and cleaned all the connectors and then cleaned the contacts on the relay and heat shrink the cover back to the relay and reinstall it. I can't believe that you ripped off your customer for the price of a new relay.
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RelaXation
FYI for anyone that has a 09-15 pilot if your blower isn't blowing any air out of vents and you have max blower setting on check ac blower motor relay first under hood before resister under passenger dash. Hope this saves you money and time.
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FYI for anyone that has a 09-15 pilot if your blower isn't blowing any air out of vents and you have max blower setting on check ac blower motor relay first under hood before resister under passenger dash. Hope this saves you money and time.
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Monica
Help! I have a 2005 Honda pilot, compressor with not kick on ( NO COLD
AIR, belts spin around it OK! I have changed the a/c relay, all fuses,
tapped on it, it will spin with my hand, what else can I look for?
Thanks in advanced! :)
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Help! I have a 2005 Honda pilot, compressor with not kick on ( NO COLD
AIR, belts spin around it OK! I have changed the a/c relay, all fuses,
tapped on it, it will spin with my hand, what else can I look for?
Thanks in advanced! :)
reply
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