See also:

V-6 Gas Mileage, Performance
One of the disappointing elements of the V-6 Frontier — and one that many people in the market for a smaller truck will likely be concerned about — is its gas mileage. With an automatic transm ...

Clutch fluid (if so equipped)
Check the clutch fluid level in the reservoir (manual transmissions only). If the fluid level is below the MIN line, add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 fluid up ...

Engine serial number
MR20DE QR25DE The number is stamped on the engine as shown. ...