Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1987BRONCO II 4WD V6-177 2.9LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRRETROFITTINGALTERNATIVES, BLENDS, AND DROP-INS (OTHER THAN R-134A)GENERAL INFORMATIONDESCRIPTIONS
1987 Ford Bronco II 4WD V6-177 2.9L
Descriptions
1987 Ford Bronco II 4WD V6-177 2.9LSECTION Descriptions
ALTERNATIVES
Refrigerants approved by the Environmental Protection Agency (EPA) for USE as substitutes for R-12.
NOTE: Under the Significant New Alternatives Policy (SNAP) program the EPA does not test alternatives for their effectiveness as a refrigerant. The EPA examines alternative refrigerants only for the following characteristics:
- Ozone depletion.
- Global warming.
- Flammability.
- Toxicity.
BLENDS
All approved alternatives (except R-134a) are blends of different refrigerants.
DROP-INS
Because charging one refrigerant into a system before extracting the old refrigerant is a violation of the EPA's SNAP program, the term "drop-in" refrigerants may seem misleading.
Refrigerants approved by the Environmental Protection Agency (EPA) for USE as substitutes for R-12.
NOTE: Under the Significant New Alternatives Policy (SNAP) program the EPA does not test alternatives for their effectiveness as a refrigerant. The EPA examines alternative refrigerants only for the following characteristics:
- Ozone depletion.
- Global warming.
- Flammability.
- Toxicity.
BLENDS
All approved alternatives (except R-134a) are blends of different refrigerants.
DROP-INS
Because charging one refrigerant into a system before extracting the old refrigerant is a violation of the EPA's SNAP program, the term "drop-in" refrigerants may seem misleading.
RENDER: 1.0x
NO RELATED
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.