Chevrolet Sonic Repair Manual: Engine Front Cover and Oil Pump Installation
Special Tools
- EN-952 Fixing Pin
- EN-953-A Fixing Tool
- EN-49977-100 Transmitter Disc Fixation
- EN-49977-200 Fixing Tool
For equivalent regional tools, refer to Special Tools.
Note:
Mind the guide sleeves when installing engine front cover.
- Install the engine front cover (3).
- Install the 13 engine front cover bolts M6 (1).
- Install the 2 engine front cover bolts M10 (2).
Caution:
Refer to Fastener Caution.
- Tighten the 13 engine front cover bolts M6 to 8 Y (71 lb in)
.
- Tighten the 2 engine front cover bolts M10 to 35 Y (26 lb ft)
.
- Camshaft Sprocket Fastening
-
Note:
Push the fixing tool in the direction of the arrow to
ensure it fully engages.
- Install EN-49977-200 fixing tool (2) and ensure that the gearing
of the fixing tool engages with the intake camshaft sprocket gearing (1).
- Tighten the 2 fastening bolts (1) of EN-49977-200 fixing tool
while pushing the fixing tool in direction of the arrow.
- Tighten the adjuster bolt (2).
Note:
A wrong installation position is possible. Make sure
that the holding tool is fully installed to the cylinder head in areas (3)
and (5).
- Install EN-49977?E00 transmitter disc holder (2) to find and
hold the correct position of the camshaft position exciter wheels.
- Tighten the fastening bolts (6) of EN-49977-100 transmitter disc
holder.
Caution:
Refer to Fastener Caution.
Caution:
Refer to Torque-to-Yield Fastener Caution.
- Tighten the NEW intake camshaft sprocket bolt (4) while holding the
hexagon (1) of the intake camshaft to 50 Y (37 lb ft)
.
- Tighten the intake camshaft sprocket bolt (4) while holding the hexagon (1)
of the intake camshaft to an additional 60 degrees
.
- Tighten the NEW exhaust camshaft sprocket bolt while holding the hexagon
of the exhaust camshaft to 50 Y (37 lb ft)
.
- Tighten the exhaust camshaft sprocket bolt while holding the hexagon
of the exhaust camshaft to an additional 60 degrees
.
- Remove EN-49977-100 transmitter disc holder and EN-49977-200
fixing tool.
- Upper Timing Chain Guide Installation
-
- Install the upper timing chain guide (2).
- Install the 2 upper timing chain guide bolts (1) and tighten to 8 Y (71 lb in)
.
- Remove EN-953-A fixing tool and EN-952 fixing pin.
- Install crankshaft bearing cap tie plate hole plug and seal ring and
tighten to 50 Y (37 lb ft)
.
Engine Front Cover Disassemble
Remove the intake camshaft position sensor bolt (1).
Remove the intake camshaft position sensor (2) and the seal ring (3).
...
Set engine to TDC. Refer to Camshaft Timing Chain Inspection.
Remove the 13 engine front cover bolts M6 (1).
Remove the 2 engine front cover bolts M10 (2).
...
Other materials:
Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from
inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is located on the inside edge of the rear doors.
To use the safety lock:
1. Insert the key into the safety lock slot and turn it so the slot is ...
Rear Seats
Folding the Seatback
Either side of the seatback can be folded down for more cargo space. Fold a seatback
only when the vehicle is not moving.
Caution
Folding a rear seat with the safety belts still fastened may cause damage to
the seat or the safety belts. Always unbuckle the safety belts an ...
Engine Block Disassemble
Remove the cylinder head locating (1, 2).
Remove the oil pressure switch (1).
Remove the knock sensor bolt (2) and the knock sensor (1).
Clean the thread.
Remove the oil flow check valve (1).
Remove the oil pressure rel ...
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