G-Body
Oldsmobile 442 (1976–1987)
Maintenance Schedule
8 recurring services keep the 1976–1987 Oldsmobile 442 healthy — starting with oil changes every 3,000 miles. Budget roughly $2,400–4,600 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
Full schedule
Intervals follow the factory maintenance schedule for the 1976-1987 Oldsmobile 442. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,000 mi or 3 mo | $30–55 | Engine oil and filter replacement |
| Spark Plugs | Every 12,000 mi | $50–100 | Replace spark plugs |
| Air Filter | Every 12,000 mi or 12 mo | $20–40 | Replace engine air filter |
| Coolant Flush | Every 24,000 mi or 2 yr | $60–120 | Replace engine coolant |
| Transmission Fluid | Every 25,000 mi | $70–140 | Replace automatic transmission fluid |
| Differential Service | Every 25,000 mi | $50–100 | Replace rear differential fluid |
| Timing Chain Inspection | Every 60,000 mi | $100–200 | Inspect timing chain for stretch |
| Brake Fluid | Every 2 yr | $40–80 | Replace brake fluid every 2 years |
Common questions
How often should I change the oil on a 1976–1987 Oldsmobile 442?
Every 3,000 miles or 3 months, whichever comes first. A typical U.S. shop charges $30–55. Engine oil and filter replacement.
How much does it cost to maintain a Oldsmobile 442 (1976–1987)?
Routine maintenance on the 1976–1987 Oldsmobile 442 runs roughly $2,400–4,600 over 100,000 miles at typical U.S. shop prices, spread across 8 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this 442?
Timing Chain Inspection at $100–200, due every 60,000 miles. Inspect timing chain for stretch.
Cost ranges are estimates for typical U.S. independent shops and dealers; your local prices will vary. Always confirm intervals against your owner's manual — severe driving conditions (towing, short trips, extreme heat or cold) shorten many of them.