{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"AC","section_name":"Air Conditioning System","page":7,"pages_in_section":42,"title":"Air Conditioning System","section_header":"Air Conditioning System — Troubleshooting","ocr_text":"AIR CONDITIONING SYSTEM — Troubleshooting                                AC-7\n\n7.    AIR PRESENT IN REFRIGERATION SYSTEM\n      Condition:  Does not cool down sufficiently\n      NOTE: These gauge indications are shown when the\n      refrigeration system has been charged with refrigerant\n      charged without vacuum purging.\n\nSymptom seen in\nrefrigeration system          Probable cause                    Diagnosis                           Remedy\n\nPressure too high at both     Air entered in refrigeration      Air present in refrigeration       (1)  Replace receiver and\nlow and high pressure sides   system                            system                                   drier\n                                                                                                    (2)  Check compressor oil\n                                                                Insufficient vacuum                      to see if dirty or in-\n                                                                purging                                  sufficient\n                                                                                                    (3)  Vacuum purge and\n                                                                                                         charge new refrigerant\n\n8.    REFRIGERANT DOES NOT CIRCULATE\n      Condition:  Does not cool (Cools from time to time in\n                  some cases)\n\nSymptom seen in\nrefrigeration system          Probable cause                    Diagnosis                           Remedy\n\nVacuum indicated at high      Refrigerant flow obstructed       Expansion valve orifice            Allow to stand for some time\npressure side, very low       by moisture or dirt in            clogged                            and then restart operation\npressure indicated at high    receiver or foreign matter                                           to determine if trouble is\npressure side                 adhering to expansion valve       Refrigerant does not flow          caused by moisture or dirt\n                                                                                                    If caused by moisture refer\nFrost or dew seen on piping   Refrigerant flow obstructed                                          to step 2 on page AC-4\nbefore and after receiver     by gas leakage from expan-                                           If caused by dirt, remove\nand drier or expansion valve  sion valve heat sensing tube                                         expansion valve and clean off\n                                                                                                    dirt by blowing with air. If\n                                                                                                    unable to remove dirt, replace\n                                                                                                    valve.\n                                                                                                    Vacuum purge and charge\n                                                                                                    new refrigerant to proper\n                                                                                                    amount\n                                                                                                    If gas leakage from heat\n                                                                                                    sensing tube, replace expan-\n                                                                                                    sion valve","image":"https://tsrm.sasquatchvc.com/images/mk2/AC/AC_007.png","url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/7","prev":{"page":6,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/6","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/6"},"next":{"page":8,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/8","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/8"},"section_url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/1","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/2","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/3","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/4","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/5","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/6","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/7","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/8","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/9","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/10","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/11","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/12","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/13","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/14","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/15","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/16","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/17","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/18","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/19","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/20","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/21","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/22","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/23","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/24","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/25","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/26","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/27","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/28","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/29","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/30","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/31","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/32","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/33","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/34","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/35","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/36","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/37","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/38","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/39","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/40","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/41","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/42"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}