B3000 SE Regular Cab 2WD V6-3.0L OHV (2002)
5. Remove the O-ring seals with a non-metallic tool.
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There are three O-ring seals required for the A/C condenser core couplings.
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There are two O-ring seals for all other refrigerant tube couplings.
CAUTION: Do not use a screwdriver or similar tool to remove the A/C tube lock coupling spring; this can cause axial scratches across the
O-ring grooves resulting in refrigerant leaks.
6. Remove the A/C tube lock coupling spring with a small hooked wire.
Cleaning
1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.
2. Cut an abrasive pad with the dimensions corresponding to the coupling size.
3. Assemble the pad to the tool.
