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.
1979 Ford FiestaFACTORY OEM SERVICE PROCEDURE
Engine Identification
- American Motors
- Chrysler Corp.
- Ford Motor Co.
- General Motors
- Engine Code Explanation
- Engine Code Location
- Notes
- Chevrolet 1600 cc 4 Cylinder
- Pontiac 151" 4 Cylinder
- Buick 196" V6
- Chevrolet 200" V6
- Buick 231" V6
- Chevrolet 250" 6 Cylinder
- Oldsmobile 260" V8 (Gasoline and Diesel)
- Chevrolet 267" V8
- Pontiac 301" V8 (VIN Y)
- Pontiac 301" V8 (VIN W)
- Chevrolet 305" (VIN G & H) and 350" (VIN L)
- Cadillac 350" (VIN B)
- Oldsmobile 350" V8 Diesel (VIN N)
- Oldsmobile 350" V8 (VIN R)
- Buick 350" V8 (VIN X)
- Chevrolet 350" V8 (VIN 8 & 4)
- Oldsmobile 403" V8
- Pontiac 400" V8
- Cadillac 425" V8
- 1980 Chevrolet 171" V6 (VIN 7)
- 1980 Pontiac 151" 4 Cylinder (VIN 5)
Factory Service Tools
Use the Manual With the Right Hardware
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.