2001 Nissan Frontier Owner's Manual - Page 242

for smooth operation and make sure it has the proper distance under it when depressed fully. Check the brake booster function. Be certain to keep the floor mat away from the pedal. Parking brake* Check that the lever has the proper travel and confirm that your vehicle is held securely on a fairly steep hill with only the parking brake applied. Automatic transmission P (Park) position mechanism Check that the lock release button on the selector lever operates properly and smoothly. On a fairly steep hill check that your vehicle is held securely with the selector lever in the P position without applying any brakes. parking the vehicle on a level surface with the engine off. Wait a few minutes for the oil to drain back into the oil pan. Brake and clutch fluid levels* Make sure that the brake and clutch fluid level is between the MIN and MAX lines on the reservoir. Power steering fluid level* and lines Check the level when the fluid is cold, with the engine off. Check the lines for proper attachment, leaks, cracks, etc. Automatic transmission fluid level* Check the level after putting the selector lever in P with the engine idling at operating temperature. Engine coolant level* Check the coolant level when the engine is cold. Radiator and hoses Check the front of the radiator and clean off any dirt, insects, leaves, etc., that may have accumulated. Make sure the hoses have no cracks, deformation, rot or loose connections. Engine drive belts* Make sure the drive belts are not frayed, worn, cracked or oily. Battery* Check the fluid level in each cell. It should be between the MAX and MIN lines. Exhaust system Make sure there are no loose supports, cracks or holes. If the sound of the exhaust seems unusual or there is a smell of exhaust fumes, immediately have the exhaust system inspected by an authorized NISSAN dealer. See the carbon monoxide warning in the ''Starting and driving'' section of this manual. Underbody The underbody is frequently exposed to corrosive substances such as those used on icy roads or to control dust. It is very important to remove these substances from the underbody, otherwise rust may form on the floor pan, frame, fuel lines and exhaust system. At the end of winter, the underbody should be thoroughly flushed with plain water, in those areas where mud and dirt may have accumulated. See the ''Appearance and care'' section of this manual. Fluid leaks Check under the vehicle for fuel, oil, water or other fluid leaks after the vehicle has been parked for a while. Water dripping from the air conditioner after use is normal. If you should notice any leaks or if gasoline fumes are evident, check for the cause and have it corrected immediately. Under the hood and vehicle The maintenance items listed here should be checked periodically (e.g., each time you check the engine oil or refuel). Additional information on the following items with an is found in the ''Do-ityourself operations'' section. Windshield washer fluid* Check that there is adequate fluid in the reservoir. Engine oil level* Check the level after 9-4 Maintenance