Ford Mustang (1999-2004) Service Manual: Tracer Dye Leak Detection
Special Tool(s)
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120 Watt 110 Volt UV Lamp 20C 164-R0721 or equivalent |
NOTE: Ford Motor Company vehicles are produced with a permanent leak tracer dye incorporated into the A/C system. The location of leaks can be pinpointed by the bright yellow-green glow of the tracer dye. Since more than one leak can exist, always inspect each component.
1. Check for leaks using a 120 Watt UV spot lamp.
- Scan all components, fittings and lines of the A/C system.

2. After the leak is repaired, remove any traces of tracer dye with a general purpose oil solvent.
3. Verify the repair by operating the system for a short time and inspect with the UV spot lamp.

Electronic Leak Detection
Special Tool(s)
H10PM Refrigerant Leak
Detector With Battery
216-00001 or equivalent
CAUTION: Good ventilation is necessary in the area where electronic A/C
leak testing is to
be ca ...
Air Conditioning (A/C) System Flushing
Special Tool(s)
A/C Flush and Purge Machine
219-00022 (part of 219-00023)
or equivalent
A/C Flush and Purge Fitting Kit
219-00024 (part of 219-00023)
or equivalent
WA ...
Other materials:
Engine - 3.8L
General Specifications
a - 20-200 seconds to leakdown 3.18 mm (0.125 in) with 225 Newtons (50
pounds) load and tappet filled
with leak-down fluid.
Torque Specifications
a - Refer to the procedure in this section
b - Advance one-half turn aft ...
Removal
1. Raise and support the vehicle.
2. Remove the rear wheel and tire assemblies.
3. CAUTION: Remove the rear brake calipers to prevent drag during the
drive pinion
bearing preload adjustment.
CAUTION: Do not allow the calipers to hang from the brake hoses ...
Body System (Diagnosis and Testing)
Inspection and Verification
Leaks
NOTE: Trim will reveal the location of most leaks.
1. Remove any trim or carpet in the general area of the leak.
2. Road test or water test the vehicle.
3. Inspect for a dust pattern around the area in question. In ...

