Nissan Sentra Service Manual: Tightening Torque Table (New Standard Included)
CAUTION:
- The special parts are excluded.
- The bolts/nuts in these tables have a strength (discrimination) number/symbol assigned to the head or the like. As to the relation between the strength grade in these tables and the strength (discrimination) number/symbol, refer to “DISCRIMINATION OF BOLTS AND NUTS”.
Previous standard
Caution:
The parts with aluminum or the cast iron washer surface/thread surface are excluded.
New standard based on ISO
CAUTION:
- Use tightening torque with lubricant for the new standard bolts/nuts in principle. Friction coefficient stabilizer is applied to the new standard bolts/nuts.
- However, use tightening torque without lubricant for the following cases. Friction coefficient stabilizer is not applied to the following bolts/nuts.
- Grade 4.8, M6 size bolt, Conical spring washer installed
- Paint removing nut (Size M6 and M8) for fixing with weld bolt
Discrimination of bolts and nuts
Description
This vehicle has both new standard based on ISO* and previous standard
bolts/nuts. There are some differences
between these two types of bolts/ nuts; shape of the head, grade of strength,
hexagon ...
Recommended chemical products and sealants
Refer to the following chart for help in selecting the appropriate chemical
product or sealant.
Product Description
Purpose
Nissan North America
Part No. (USA)
Nissan C ...
Other materials:
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication system for real time
application. It is an on-vehicle
multiplex communication system with high data communication speed and excellent
error detection ability.
Many electronic control units are equip ...
Steering column
Inspection
STEERING COLUMN ASSEMBLY
Check each part of steering column assembly for damage or
other malfunctions. Replace entire steering column
assembly if any parts are damaged.
Measure steering column rotating torque using Tool. Replace
steering column assembly if outside the ...
