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Service Access Gauge Port Valves
NOTE: The A/C service port fittings used in R-134a refrigerant systems are a two-piece design. The top portion of the fitting is aluminum and is threaded to the bottom part and sealed with an O-ring seal. These fittings can be serviced through the use of either the High Side A/C Fitting Socket D94L-19703-A or the Low Side A/C Fitting Socket D94L-19703-B providing the system is first discharged. Refer to Section 12-00 for discharging procedures. The valve seal is an integral part of the aluminum fitting piece which must be replaced if the seal leaks.
The Schrader valve core used on R-12 systems is not used in the R-134a system.The high-side fitting is the largest and special adapters are required to attach service equipment to both the high- and low-side system ports.
Rotunda R-134a High-Side Quick Disconnect 176-R0037 or equivalent.
Rotunda R-134a Low-Side Quick Disconnect 176-R0036 or equivalent.
Rotunda R-134a Manifold Gauge Set 176-R032A or equivalent.
Always reinstall the A/C charging valve caps (19D702) on the service access gauge port valves after servicing the A/C system to prevent dirt from entering the valve or refrigerant system.
High-Side Service Port
Before servicing the climate control system, perform a visual inspection of components. Check all refrigerant line connections for indications of leaks. A
refrigerant leak will usually appear as an oily buildup at the point of the leak. This is caused by refrigerant escaping through the faulty connection. As the refrigerant escapes, a minimal amount of refrigerant oil escapes along with the refrigerant. Over time, this
refrigerant oil collects around the refrigerant leak and will take on the appearance of a dirty/oily deposit.
Air Conditioning Parts Catalog, Bronco & all Fords w/Ford Part Numbers & Illustrations 108MB PDF Source: by fordinstallersupport.com
GROUP 4 — VALVES
CAP ASSY. (CHARGE VALVE)
1996-94
Low Side YF-2122
High Side YF-1803
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Check dealer; Ford MC on line does not show the O ring or Valve Core Seal Kit, but RockAuto does; or ck NAPA locally, etc.
1996 FORD BRONCO 5.0L 302cid V8 MFI (N) OHV : Heat & Air Conditioning : \A/C System Valve Core and Cap Kit MOTORCRAFT Part # YF1803 {#F3AH19D702AB, F3AZ19D702A, TX432}
High Side $3.79
MOTORCRAFT Part # YF2122 {#F3AZ19D702B}
Low Side $8.55
FOUR SEASONS Part # 26783
Caps and Valve Core Seal Kit; w/ JRA Valves (Only 5 Remaining) $9.00
FOUR SEASONS Part # 26779
Caps and Valve Core Seal Kit; w/ Hi-Flow Valve Cores $12.48
FOUR SEASONS Part # 26781
Caps and Valve Core Seal Kit; w/ Hi-Low Side Primary Seals $13.70
FOUR SEASONS Part # 26780
Caps and Valve Core Seal Kit; w/ R134a $17.55
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Four Seasons On-Line Catalog
