The GA14DS is a 1.4 L (1,392 cc) 16V DOHC engine with carburetor and a 9.5:1 compression ratio. It was used in the B12 Sentra and the N13 Sunny/Sentra. The GA14S is a 1.4 L (1,392 cc) engine, SOHC, carbureted, with 12 valves. GA14S, filter housing removed, showing cast rocker cover typical of GA SOHC engines. In the case of a single-initial suffix, the initial indicates induction type. In the code of the engine, the first two initials indicate engine class, the two numbers indicate engine displacement (in decilitres), the last two initials indicate cylinder-head style and induction type (D=DOHC, S=carburetor, E=injection). Since 1998, it was only available from Mexico in the B13. The GA was produced from August 1987 through 2013. There are SOHC and DOHC versions, 8, 12, and 16 valve versions, carbureted, single-point, and multi-point injected versions, and versions with variable valve timing (GA16DE). It has a cast-iron block and an aluminum head. ACCELERATOR CONTROL.The GA engine is a 1.3 to 1.6 L inline-four piston engine from Nissan.Accordingly, anyone using service procedures, tools or parts which are not specifically recommended by NISSAN must first completely satisfy himself that neither his safety nor the vehicle’s safety will be jeopardized by the service method selected. Service varies with the procedures used, the skills of the technician and the tools and parts available. The service methods in this Service Manual are described in such a manner that the service may be performed safely and accurately. The proper performance of service is essential for both the safety of the technician and the efficient functioning of the vehicle. The right is reserved to make changes in specifications and methods at any time without notice.
It is especially important that the PRECAUTIONS in the Gl section be completely understood before starting any repair task.Īll information in this manual is based on the latest product information at the time of publication. This manual contains maintenance and repair procedure for the 1999 NISSAN SENTRA. In order to assure your safety and the efficient functioning of the vehicle, this manual should be read thoroughly.