Chevrolet Sonic Repair Manual: Drive Belt Tensioner Replacement
Special Tools
- EN-955 Locking Pin
- EN-48488 Holding Wrench
For equivalent regional tools, refer to Special Tools.
- Removal Procedure
-
- Remove the right front wheelhouse liner extension. Refer to Front Wheelhouse
Liner Inner Front Extension Replacement
- Install the engine support fixture. Refer to Engine Support Fixture.
- Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement
- Right Side.
- Install the EN-48488 holding wrench (2) to the drive belt tensioner (1).
- Move the drive belt tensioner clockwise until the drive belt tensioner
can be fixed with EN-955 locking pin (1).
- Remove the EN-48488 holding wrench .
- Remove the drive belt.
- Repeat steps 4 and 5 in order to remove the EN-955 locking pin
from the drive belt tensioner.
- Remove the lower drive belt tensioner bolt (1).
- Remove the upper drive belt tensioner bolt (2).
- Remove the drive belt tensioner (3).
- Installation Procedure
-
- Install the drive belt tensioner (3).
- Install the lower drive belt tensioner bolt (1).
- Install the upper drive belt tensioner bolt (2).
Caution:
Refer to Fastener Caution.
- Tighten the lower drive belt tensioner bolt (1) to 22 Y (16 lb ft)
.
- Tighten the upper drive belt tensioner bolt (2) to 55 Y (41 lb ft)
.
Note:
Engine mount bracket is removed.
- Install the EN-48488 holding wrench (2) to drive belt tensioner (1).
- Move the drive belt tensioner clockwise until the drive belt tensioner
can be fixed with EN-955 locking pin (1).
- Install the drive belt.
- Move the drive belt tensioner clockwise until EN-955 locking
pin can be removed.
- Allow the tensioner to slide back slowly.
- Remove the EN-48488 holding wrench .
- Install the engine mount bracket. Refer to Engine Mount Bracket Replacement
- Right Side.
- Install the right front wheelhouse liner extension. Refer to Front Wheelhouse
Liner Inner Front Extension Replacement.
- Remove the engine support fixture. Refer to Engine Support Fixture.
Remove the drive belt tensioner bolt (1).
Remove the drive belt tensioner (2).
...
Special Tools
EN-955 Locking Pins
EN-48488 Holding Wrench
For equivalent regional tools, refer to Special Tools.
Note: Ensure that the drive belt tensioner is held with EN-955?E
...
Other materials:
Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
It is normal to see coolant moving in the upper coolant hose return line when
the engine is running.
Check to see if coolant is visible in the coolant surge tank. If the coolant
inside the coolant surge tank is boiling, do ...
Crankcase Ventilation System Inspection/Diagnosis
Results of Incorrect Operation
A plugged positive crankcase ventilation (PCV) orifice or hose may cause
the following conditions:
Rough idle
Stalling or slow idle speed
Oil leaks
Oil in the throttle body
Sludge in the engine
Functional Check
With thes ...
Electronic Component Description
Control Solenoid Valve Assembly
(1)
Pressure Control Solenoid 3 (R-1/4-5-6)
(2)
(GEN 1) Pressure Control Solenoid 2 (3-5-R)
(2)
(GEN 2) Pressure Control Solenoid 5 (1-2-3-4)
...
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