Pontiac Sunfire 1997 Owner's Manual
![Pontiac Sunfire 1997 manual cover](/images/nHWTjGWriHpVgBRXnAircdoi/thumbs/thumb175x175.webp)
To change the oil in your 1997 Pontiac Sunfire, first, warm up the engine slightly. Turn off the engine and secure the car on jack stands. Remove the oil drain plug and let the old oil drain into a pan. Replace the oil filter. Reinstall the drain plug and add new oil through the fill cap under the hood. Be sure to check the oil level with the dipstick.
The 1997 Pontiac Sunfire typically uses a long-life ethylene glycol-based coolant (DEX-COOL). Ensure it is mixed in a 50/50 ratio with water unless otherwise specified in your owner’s manual.
Begin by checking all fuses and relays related to the malfunctioning system. Inspect battery terminals for corrosion and ensure the battery is fully charged. Use a multimeter to check for continuity in the wiring and confirm voltage levels at different points. Consult a wiring diagram for detailed troubleshooting.
The recommended tire pressure for the 1997 Pontiac Sunfire is generally around 30 PSI for both front and rear tires, but always check the sticker inside the driver’s door for the exact specifications.
Open the hood and locate the air filter housing. Undo the clips or screws holding the housing together. Remove the old air filter and insert the new one, ensuring it fits snugly. Reattach the housing securely.
Overheating may be caused by a coolant leak, a faulty thermostat, a malfunctioning radiator fan, or a clogged radiator. Check coolant levels and inspect for leaks. Ensure the fan is operational and the radiator is clear of obstructions.
If the check engine light comes on, use an OBD-II scanner to retrieve diagnostic trouble codes. These codes will guide you in identifying the issue. Address the specific problem indicated by the codes or consult a professional mechanic.
To replace the spark plugs, first disconnect the negative battery cable. Remove the spark plug wires from the plugs. Use a spark plug socket to remove the old plugs. Install new plugs by hand to avoid cross-threading, then tighten with a socket. Reattach the spark plug wires.
It is generally recommended to change the transmission fluid every 30,000 to 50,000 miles. However, refer to your owner’s manual for the manufacturer's specific maintenance schedule.
Stalling could be caused by a variety of issues including a faulty fuel pump, clogged fuel filter, malfunctioning ignition system, or a defective idle air control valve. A thorough diagnostic check is recommended to pinpoint the cause.