Recent Content by howardc64

  1. howardc64
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    Gen3 (2010) recommendation for new head unit in 2021

    Thought I post my ~2 year experience with low cost Chinese Android HU ( like one in post #10 ) as more people might want to upgrade their old...
    Post by: howardc64, Jul 31, 2024 in forum: Gen 3 Prius Audio and Electronics
  2. howardc64
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    Please Re-open My V3 NexPower Safety Concerns Thread

    I own a Gen3 Prius with its NIMH battery and an 11 year old Tesla Model S with its 85kwhr Lithium Ion battery pack. I have looked into various...
    Post by: howardc64, Jul 30, 2024 in forum: PriusChat Website Questions
  3. howardc64
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    2010 Prius Gen 3 can install denso tpms ?

    10/26/23 UPDATE Denso packaged (made by Pacific Industrial Co Ltd) TPMS installed by Costco 2011 Prius DENSO PN 550-0103 Amazon fulfilled...
    Post by: howardc64, Oct 26, 2023 in forum: Gen 3 Prius Main Forum
  4. howardc64
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    2010 Prius Gen 3 can install denso tpms ?

    Yes, Pacific Indusrial Co Ltd is a $2B/year revenue company with 5000 people. They are not subsidiary of Toyota/Denso as far as I can tell...
    Post by: howardc64, Oct 16, 2023 in forum: Gen 3 Prius Main Forum
  5. howardc64
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    2010 Prius Gen 3 can install denso tpms ?

    2011 Prius needed TPMS. Purchased Amazon fulfilled (not 3rd party seller on amazon) Denso. Manufacturer is Pacific (at least currently). There are...
    Post by: howardc64, Oct 16, 2023 in forum: Gen 3 Prius Main Forum
  6. howardc64
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    Install Joying 9" Android 10 head unit with backup camera

    I have a similar head unit and cutting is unnecessary. The key are as follows - Original Prius radio bracket (remove from original radio and...
    Post by: howardc64, Dec 4, 2021 in forum: Gen 3 Prius Audio and Electronics
  7. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Finally got a comparison with a 2012 Prius 50k miles and AC never touched since factory. Here is summary of the results Test pattern - Engine...
    Post by: howardc64, May 20, 2021 in forum: Gen 3 Prius Technical Discussion
  8. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    An update comparing 2011 Gen3 (DIY repaired and filled AC) against a 2016 Gen4 (Factory filled AC). Compressor is identical according to part...
    Post by: howardc64, May 20, 2021 in forum: Gen 3 Prius Technical Discussion
  9. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Yes, weighed on my postal scale that goes down to 0.1 oz. But certainly without professional equipment, not all of the weighted R134a went into...
    Post by: howardc64, May 17, 2021 in forum: Gen 3 Prius Technical Discussion
  10. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Replaced the condenser on the 12 Prius. Vacuumed system for 1/2 hour and confirmed vacuum held for another 1/2 hour. Injected 3/4-1oz of ND11...
    Post by: howardc64, May 16, 2021 in forum: Gen 3 Prius Technical Discussion
  11. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Very cool :p and helpful. On the 12 Prius, I did order a cheap condenser a couple of days ago (helping a friend and they didn't want to pay too...
    Post by: howardc64, May 13, 2021 in forum: Gen 3 Prius Technical Discussion
  12. howardc64
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    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Ah thanks. Very helpful. So sounds like common practice is - Basically assume oil stays in the system except for removed components. - Inject...
    Post by: howardc64, May 13, 2021 in forum: Gen 3 Prius Technical Discussion
  13. howardc64
    Thread

    R-134a Auto A/C Refrigerant Inject Oil/No oil?

    Have a follow up question on DIY AC repair oil removal and injection. A. 2011 Prius AC system leaked at the o-rings at the firewall. dirt...
    Thread by: howardc64, May 13, 2021, 17 replies, in forum: Gen 3 Prius Technical Discussion
  14. howardc64
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    R-134a Auto Air Conditioning Refrigerant

    Yes, oil is needed in AC systems for lubrication. I believe PAG oil was used for belt driven mechanical compressors and non-conductive ND11 oil...
    Post by: howardc64, May 13, 2021 in forum: Gen 2 Prius Technical Discussion