Results 1 to 12 of 12

Thread: A/C help!

  1. #1

    Array
    Status
    Offline
    Join Date
    05-09-2013
    Posts
    44
    Location

    Hanford, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    G63B

    A/C help!

    So I need to get the a/c fix in my 1989 mm. It's to dang hot in my town 102..

    I need to know where the Orifice tube is that. They say mine is clogged up.

  2. #2

    Array
    Status
    Offline
    Join Date
    12-04-2012
    Posts
    496
    Location

    New Bern, NC
    Vehicle

    1994 Mitsubishi Mighty Max
    Engine

    4G64
    These trucks don't have one. They have a dryer located behind the grille.

  3. #3



    Array
    Status
    Offline
    Join Date
    03-20-2011
    Posts
    4,115
    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    yes they do have one - it is on the evap coil where the high pressure hose connects to the evap box. the system won't work without it - the oriface is what makes the refrigerant expand and absorb heat
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  4. #4

    Array
    Status
    Offline
    Join Date
    05-09-2013
    Posts
    44
    Location

    Hanford, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    G63B
    Quote Originally Posted by pennyman1 View Post
    yes they do have one - it is on the evap coil where the high pressure hose connects to the evap box. the system won't work without it - the oriface is what makes the refrigerant expand and absorb heat
    That's under the dash right? Well behind the glove box?

  5. #5



    Array
    Status
    Offline
    Join Date
    03-16-2011
    Posts
    3,614
    Location

    Sacramento, CA
    Vehicle

    1979 Dodge D-50
    Engine

    Chevy V6
    The first gens used a TXV thermal expansion valve. Not sure about the second gens. But the TXV was at the fire wall. If it uses an Orifice tube it will be in the high side line right where it connects to the evaporator.
    Members come and members go, But the board keeps track of them.
    Check out the Fear Monger by
    clicking HERE.

    The MightyRam50 site is sponsored in part by On Site Concrete Inc.

  6. #6

    Array
    Status
    Offline
    Join Date
    12-04-2012
    Posts
    496
    Location

    New Bern, NC
    Vehicle

    1994 Mitsubishi Mighty Max
    Engine

    4G64
    I was thinking of the in line tube filters that the GMs used. Thermostatic Expansion Valve doesn't = Orifice tube to me lol The cooling box is easy to pull out of either model truck and the TXV should be on the back where the lines come into the evaporator.

  7. #7

    Array
    Status
    Offline
    Join Date
    05-09-2013
    Posts
    44
    Location

    Hanford, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    G63B
    Okay thanks guys.

    One more question. I bought a new receiver drier, as i was installing it. I seem one side is a 5/8 (left) and the other side 9/16 right. On the old drier both sides are 9/16 Click image for larger version. 

Name:	image.jpg 
Views:	84 
Size:	65.5 KB 
ID:	6149

  8. #8



    Array
    Status
    Offline
    Join Date
    03-20-2011
    Posts
    4,115
    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    you need the drier with the right fittings - don't think they have adaptors for those...
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  9. #9

    Array
    Status
    Offline
    Join Date
    05-09-2013
    Posts
    44
    Location

    Hanford, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    G63B
    Do you guys happen to know how many pounds of freon it takes?

  10. #10



    Array
    Status
    Offline
    Join Date
    07-24-2012
    Posts
    2,357
    Location

    Washington State
    Vehicle

    1986 Mitsubishi Mighty Max
    Engine

    G63B
    R134 or R12? If your going with R134 it is roughly 85% of the amount of R12 that was used. If not mistaken I think close to 32oz?

    MIGHTY MAX
    Year Model Refrigerant ounces oil type ounces
    1994-1996 All Engines R134a 28.00 PAG 46 7.75
    1990-1993 All Engines R12 30.00 Mineral 8.50


    Click image for larger version. 

Name:	jumpin.jpg 
Views:	55 
Size:	38.4 KB 
ID:	6187

  11. #11

    Array
    Status
    Offline
    Join Date
    05-09-2013
    Posts
    44
    Location

    Hanford, CA
    Vehicle

    1989 Mitsubishi Mighty Max
    Engine

    G63B
    alrighty guys i fix my AC now the next question. i need some new weather stripping. people tell me to take it off other trucks at the junk yard but they are just as bad as mine or worse so i rather just get it all new. but i have no clue where to get it. or if all the weather stripping is universal??

  12. #12

    Array
    Status
    Offline
    Join Date
    08-24-2013
    Posts
    188
    Location

    Alexander City, AL
    Vehicle

    1995 Mitsubishi Mighty Max
    Engine

    4G64
    Its 28 oz (if empty of 134) Freon charge. Will post up psi once I've found them.

Tags for this Thread

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •