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How to recharge and/or refill the AC system?

Discussion in '2nd Gen 4Runners (1990-1995)' started by Msjjsmred67, Jun 15, 2022.

  1. Jun 15, 2022 at 12:52 PM
    #1
    Msjjsmred67

    #1
    Msjjsmred67 [OP] New Member

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    Vehicle:
    91 red 4 runner
    Who knows how to recharge and/or refill the AC system? I know you can still get the freon, I think it's R15 but nobody will deal with it and tells me I have to replace the whole system at an average cost of $1000.00, anybody? I'm also in need of a steering gear box, suggestions?
     
    Msjjsmred67, Jun 15, 2022
    #1
  2. Jun 15, 2022 at 4:25 PM
    #2
    SlvrSlug

    #2
    SlvrSlug Slightly bent.

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    Ramona Ca.
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    2017 4-Runner SR-5 P. Kings, Built Right uca’s, Durabumps, RSG sliders
    I can’t help you, but welcome to the forum.
     
    SlvrSlug, Jun 15, 2022
    #2
  3. Jun 15, 2022 at 4:29 PM
    #3
    kolter45

    #3
    kolter45 Inferno Pro & 4.0 Tacoma

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    Pretty sure you got to be licensed to do the ac
     
    kolter45, Jun 15, 2022
    #3
    suaveflooder likes this.
  4. Jun 15, 2022 at 8:27 PM
    #4
    negusm

    #4
    negusm New Member

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    Not in the US. You can buy all the equipment and there is no restriction on working on your own AC.

    At minimum, you need:

    A manifold set. A Vacuum pump. A refrigerant recovery machine.
    $588 Robinair (RG3 Portable Refrigerant Recovery Machine – 115V, 60Hz, for Both Liquid and Vapor Refrigerant, White
    https://www.amazon.com/gp/product/B00NMOYPVG?smid=
    An accurate scale.
    $47 ZENY Refrigerant Scale Charging Recovery Freon Scale with Case, 220 LBS High Precision Electronic Digital Recovery Weight Scale for HAVC
    https://www.amazon.com/gp/product/B014RHV87A?smid=A10PRH2DFOVNA8
    A recovery tank.
    $99 Flame King Refrigerant Recovery Cylinder Tank - Reusable - DOT Compliant - Y-Valve Liquid/Vapor - 30 LB Pound , Gray
    https://www.amazon.com/gp/product/B00IKLL9QA?ie=UTF8
     
    negusm, Jun 15, 2022
    #4
    wdsteven and kolter45[QUOTED] like this.
  5. Jun 16, 2022 at 9:36 AM
    #5
    trlhiker

    #5
    trlhiker Lazy Bum

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    You don't need to replace your whole system, just retrofit it. Youtube is your friend. Biggest thing is removing the old refrigerant and oils from the system.
     
    trlhiker, Jun 16, 2022
    #5
    Justthemechanic likes this.
  6. Jul 7, 2022 at 8:08 PM
    #6
    atgparker

    #6
    atgparker Cal Poly, ETME 1988

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    Andrew
    Mission Viejo, CA
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    1991 White 4Runner 3.0 L
    Rebuilt Engine MLS and ARP on the heads, DT Header, 2-1/2" CARB compliant Flow-Master CAT with 2.0" Bosal CAT back Dayco 1-1/4" Spacers, SkyJacker M-Series Monotube Shocks, Ball Joint Spacers. 95-9006 K&N Air Cleaner, G-Plus Alum Radiator, ZIrgo 16" Fan, Derale Temp switch/relay
    Low pressure side is 21-28 psi high pressure side is 206-213. I just recharged my system with a couple of cans I got off eBay even comes with an adapter to upgrade the low pressure side port if you need it.

    https://www.ebay.com/itm/125210685063

    Pittsburg Harbor Freight AC gauge manifold kit listed above works a charm.
     
    This site contains affiliate links for which the site may be compensated.
    atgparker, Jul 7, 2022
    #6
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