compression ratio ACURA CSX 2006 Service Repair Manual

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ItemMeasurement Qualification Specification
2-20Design Specifications
DIMENSIONS Overall length
4.544 mm (178.9 in.)
Overall width 1,752 mm (69.0 in.)
Overall height 1,435 mm (56.5 in.)
Wheelbase 2,700 mm (106.3 in.)
Track Front1,499 mm (59.0 in.)
Rear 1,528 mm (60.2 in.)
Ground clearance 145 mm (5.7 in.)
Seating capacity Five (5)
WEIGHT Gross Vehicle Weight Rating
(GVWR) See the certification label attached to the driver’s doorjamb
ENGINE Type Water cooled, 4-stroke DOHC i-VTEC engine
Cylinder arrangement Inline 4-cylinder, transverse
Boreandstroke 86x86mm(3.39x3.39in.)
Displacement 1,998 cm (122 cu in.)
Compression ratio K20Z29.6
K20Z3 11.0
Valve train Chain drive, DOHC i-VTEC 4 valves per cylinder
Lubrication system Forced, wet sump, with trochoid pump
Fuel required K20Z2Regular UNLEADED gasoline 87 Pump Octane Number or
higher
K20Z3 Premium UNLEADED gasoline 91 Pump Octane Number or
higher
STARTER Type Gear Reduction
Nominal output 1.6 kW
Nominal voltage 12 V
Hour rating 30 seconds
Direction of rotation Clockwise as viewed from drive end
CLUTCH Type Single plate dry, diaphragm spring
Clutch friction material surface area 174 cm (27 sq in.)
3
2
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Special Tools Required
Disassembly
Inspection
18-29
A
A
12x1.25mm
07AAA-SVAA100
B
Strut nut adapter 07AAA-SVAA100
NOTE: When compressing the damper spring, use a
commercially available strut spring compressor
(Branick MST-580A or Model 7200, or equivalent)
according to the manufacturer’s instructions.
1. Remove the cap (A) from the top of the damper.
2. Compress the damper spring, then remove the self- locking nut (A) using the strut nut adapter, a ratchet
or breaker bar while holding the damper shaft with
a hex wrench (B). Do not compress the spring more
than necessary to remove the nut.
3. Release the pressure from the strut spring compressor, then disassemble the damper as
shown in the Exploded View. 1. Reassemble the damper mounting base and the
self-locking nut.
2. Compress the damper assembly by hand, and check for smooth operation through a full stroke,
both compression and extension. The damper
should extend smoothly and constantly when
compression is released. If it does not, the gas is
leaking, and the damper should be replaced.
3. Check for oil leaks, abnormal noises, or binding during these tests.
(cont’d)
Replace.
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InspectionInstallation
18-41
A
B
A
Except Type S model:
12x1.25mm
59 N·m (6.0 kgf·m, 43 lbf·ft)
Type S model:
12x1.25mm
69 N·m (7.0 kgf·m, 51 lbf·ft)
1. Push on the damper as shown.
2. Compress the damper assembly by hand, and check for smooth operation through a full stroke,
both compression and extension. The damper
should extend smoothly and constantly when
compression is released. If it does not, the gas is
leaking and the damper should be replaced.
3. Check for oil leaks, abnormal noises, or binding during these tests. 1. Install the damper mounting bushing (A) onto the
damper unit. Position the damper assembly (B)
between the body and tra iling arm.
NOTE: Be careful not to damage the body.
2. Position a floor jack under the tra iling arm to
support the suspension, then install the new
damper mounting bolt (A).
3. Loosely tighten the damper mounting bolt.
4. Raise the rear suspension with the jack until the vehicle just lifts off the safety stands, then tighten
the damper mounting bolt to the specified torque
value.
(cont’d)
Replace.
Replace.
08/08/21 14:58:17 61SNR030_180_0041
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