GMC Safari 1999 Owner's Manual
![GMC Safari 1999 manual cover](/images/uzbgmQEgWdAigDSsDoLxZSvc/thumbs/thumb175x175.webp)
To check the transmission fluid level, start the engine and let it warm up. Ensure the van is on a level surface. Shift through each gear and return to 'Park'. Remove the transmission dipstick, wipe it clean, insert it back, and then remove it again to check the fluid level.
The recommended oil type for the 1999 GMC Safari Van is 5W-30 conventional motor oil. Ensure you check the owner's manual for any specific recommendations based on your driving conditions.
To reset the 'Check Engine' light, you can disconnect the battery for about 15 minutes. Alternatively, use an OBD-II scanner to clear the error codes. If the light returns, further investigation is needed to find the underlying issue.
Locate the air filter housing in the engine compartment. Unclip or unscrew the cover to access the air filter. Remove the old filter and insert the new one, ensuring it sits correctly. Reattach the cover securely.
An overheating engine could be due to a faulty thermostat, a clogged radiator, or a leaking coolant system. Check coolant levels and inspect for leaks. If the problem persists, consult a mechanic to test the thermostat and radiator.
First, check the fuse related to the power windows. If the fuse is intact, inspect the window switch and motor for faults. Wiring issues could also be a cause, so check for any loose or damaged connections.
Signs of a failing fuel pump include difficulty starting the engine, sputtering at high speeds, loss of power under stress, or an engine that stalls unexpectedly. If you notice these symptoms, have the fuel pump inspected or replaced.
It's recommended to change the spark plugs every 30,000 miles or as specified in the owner's manual. Regular checks can help maintain optimal engine performance and fuel efficiency.
The recommended tire pressure for the 1999 GMC Safari Van is typically around 35 PSI for both front and rear tires. Always refer to the sticker on the driver's side door jamb or the owner's manual for precise details.
To improve fuel efficiency, ensure regular maintenance including timely oil changes, air filter replacement, and proper tire inflation. Avoid carrying excessive weight and minimize idling time. Consider using fuel additives that improve engine performance.