Nissan Sentra Service Manual: Drive belt
Exploded View

- Alternator
- Drive belt auto-tensioner
- Crankshaft pulley
- A/C compressor
- Water pump
- Drive belt
- Possible use range
- New drive belt range
- Indicator
Removal and Installation
REMOVAL
- Remove the front fender protector (RH) front side bolts and clips. Refer
to EXT-27, "FENDER PROTECTOR
: Exploded View".
- Hold the hexagonal part (A) of drive belt auto-tensioner (1) with
a wrench securely. Then move the wrench handle in the direction
of arrow (loosening direction of drive belt auto-tensioner).
WARNING:
Avoid placing hand in a location where pinching may occur
if the holding tool accidentally comes off.
- Insert a rod approximately 6 mm (0.24 in) in diameter into the
hole (B) of the retaining boss to lock drive belt auto-tensioner.
- Keep drive belt auto-tensioner pulley arm locked after drive
belt is removed.
- Remove drive belt.

INSTALLATION
- Install drive belt.
CAUTION:
- Confirm drive belt is completely set to pulleys.
- Check for engine oil and engine coolant, be sure they are not
adhered to drive belt and each pulley
groove.
- Release drive belt auto-tensioner, and apply tension to drive belt.
WARNING:
Avoid placing hand in a location where pinching may occur if the
holding tool accidentally comes
off.
- Turn crankshaft pulley clockwise several times to equalize tension
between each pulley.
- Confirm tension of drive belt at indicator (notch on fixed side) is
within the possible use range. Refer to
EM-15, "Exploded View".
- Install the front fender protector (RH) front side bolts and clips.
Refer to EXT-27, "FENDER PROTECTOR
: Exploded View".
Inspection

- Alternator
- Drive belt auto-tensioner
- Crankshaft pulley
- A/C compressor
- Water pump
- Drive belt
- Possible use range
- New drive belt range
- Indicator
WARNING:
Perform this step when engine is stopped.
- Check that the indicator of drive belt auto-tensioner is within the
possible use range.
NOTE:
- Check the drive belt auto-tensioner indication when the engine is
cold.
- When new drive belt is installed, the indicator should be within the
new drive belt range.
- Visually check entire drive belt for wear, damage or cracks.
- If the indicator is out of the possible use range or belt is damaged,
replace drive belt.
Adjustment
Belt tension is not necessary, as it is automatically adjusted by drive belt
auto-tensioner.
Exploded View

- Front cover
- Drive belt auto-tensioner
Removal and Installation
Removal
- Remove engine under cover. Refer to EXT-31, "ENGINE UNDER COVER :
Exploded View".
- Remove engine room cover. Refer to EM-24, "Exploded View".
- Partially remove fender protector side cover (RH). Refer to EXT-27,
"FENDER PROTECTOR : Exploded
View".
- Remove drive belt. Refer to EM-15, "Exploded View".
- Support engine (1) and transaxle (2) using suitable jack (A).
CAUTION:
- Position a suitable jack under the engine and transaxle
assembly as shown.
- Do not damage the front exhaust tube or transaxle oil pan
with the jack.

- Remove upper torque rod and engine mounting insulator (RH). Refer to
EM-82, "M/T : Exploded View"
(for M/T) or EM-86, "CVT : Exploded View" (for CVT).
- Remove drive belt auto-tensioner.
Installation
Installation is in the reverse order of removal
CAUTION:
When installing drive belt auto-tensioner, be careful not to
interfere with water pump pulley.
Exploded View
Ignition coil
Spark plug
Rocker cover
Removal and Installation
REMOVAL
Remove engine cover. Refer to EM-24, "Exploded View".
Remove ignition coil. Refer t ...
Exploded View
Mass air flow sensor
Mass air flow gasket
Clamp
Air duct (suction side)
Resonator
Clamp
PCV hose
Clamp
Clamp
Air cleaner cover
Mounting rubber
Air cleaner f ...
Other materials:
Making a call
To make a call, follow the procedure below:
Press the button on the
control panel.
The “Phone” screen will appear on the display.
Select one of the following options to make a
call:
“Phonebook”: Select the name from an entry
stored in the vehicle phonebook.
“Call ...
Basic inspection
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.CHECK SYMPTOM
...
Basic inspection
Diagnosis and repair workflow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3.
3.BASIC INSPECTION
Check the operat ...
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