2006 ACURA CSX engine




Oil Pump Removal
8-16Engine Lubrication
Oil Pump Overhaul (cont’d)
A
B
A
AB
1. Turn the crankshaft pulley so its top dead center (TDC) mark (A) lines up with the pointer (B).
2. Remove the oil pan (see page 7-11).
3. Remove and discard the oil pump chain tensioner. 4. To hold the rear balancer shaft, insert a 6 mm long
pin punch (Snap-on PPC 108LA or equivalent) (A)
into the maintenance hole in the lower balancer
shaft holder and through the rear balancer shaft.
5. Loosen the oil pump sprocket mounting bolt.
6. Remove the oil pump sprocket (A), then remove the oil pump (B).
08/08/21 14:36:46 61SNR030_080_0016
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Balancer Shaft Inspection
Balancer Shaft End Play
Front Balancer Shaft:
Standard (New): 0.063 0.108 mm (0.0025 0.0043 in.)
Service Limit: 0.14 mm (0.0055 in.)
Rear Balancer Shaft:
Standard (New): 0.063 0.108 mm (0.0025 0.0043 in.)
Service Limit: 0.14 mm (0.0055 in.)
8-18 Engine Lubrication
Oil Pump Overhaul (cont’d)
A
B
C D
1. Seat the balancer shaft by pushing it away from the
oil pump sprocket end of the oil pump.
2. Zero the dial indicator against the end of the balancer shaft, then push the balancer shaft back
and forth and read the end play. 3. Remove the pump housing.
4. Remove the baffle plate (A) and the upper balancer
shaft holder (with bearings) (B), then remove the
front balancer shaft (C) and the rear balancer
shaft (D).
08/08/21 14:36:48 61SNR030_080_0018
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No. 2 Journal Oil Clearance
Standard (New): 0.060 0.120 mm
(0.0024 0.0047 in.)
Service Limit: 0.15 mm (0.006 in.)
8-20 Engine Lubrication
Oil Pump Overhaul (cont’d)
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
K20Z2 engine:
8x1.25mm
27 N·m
(2.8 kgf·m, 20 lbf·ft)
K20Z3 engine:
8x1.25mm
28 N·m
(2.9 kgf·m, 21 lbf·ft)
16 °
7. Clean both balancer shaft No. 2 journals and the
bearing halves with a clean shop towel, then install
the balancer shafts into the lower balancer shaft
holder.
8. Place one strip of plastigage across each No. 2 journal.
9. Reinstall the bearings and the upper balancer shaft holder, then tighten the bolts.
NOTE: Do not rotate the balancer shafts during inspection.
 After torquing, tighten the three 8 mm bolts extra 16 ° (K20Z3 engine). 10. Remove the upper balancer shaft holder and the
bearings again, and measure the widest part with
the plastigage. If the balancer shaft No. 2 journal oil
clearance is out-of-tolerance, install new bearings,
and recheck. If it is still out-of-tolerance, replace the
balancer shafts.
11. Align the punch mark on the rear balancer shaft in the center of the two punch marks on the front
balancer shaft, then install the balancer shafts on
the lower balancer shaft holder.
08/08/21 14:36:49 61SNR030_080_0020
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Oil Pump Installation
8-21
B
C
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft) A
K20Z2 engine:
8x1.25mm
27 N·m
(2.8 kgf·m, 20 lbf·ft)
K20Z3 engine:
8x1.25mm
28 N·m
(2.9 kgf·m, 21 lbf·ft)
16 °
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft) A
B
B A
12. Apply new engine oil to the threads of the 8 mm bolts (A).
NOTE: After torquing, tighten the three 8 mm bolts
extra 16 ° (K20Z3 engine).
13. Install the upper balancer shaft holder (B) and the baffle plate (C).
14. Install the pump housing. 1. Make sure the No. 1 piston top dead center (TDC)
mark (A) lines up with the pointer (B).
2. Align the dowel pin (A) on the rear balancer shaft with the mark (B) on the oil pump.
(cont’d)
08/08/21 14:36:58 61SNR030_080_0021
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8-22Engine Lubrication
Oil Pump Overhaul (cont’d)
A
8x1.25mm
22N·m(2.2kgf·m,16lbf·ft) 8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)A
10x1.25mm
44 N·m
(4.5 kgf·m, 33 lbf·ft)
10x1.25mm
44 N·m
(4.5 kgf·m, 33 lbf·ft) B
C
D B
A
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
3. To hold the rear balancer shaft, insert a 6 mm long pin punch (Snap-on PPC 108LA or equivalent) (A)
into the maintenance hole in the lower balancer
shaft holder and through the rear balancer shaft.
4. Apply new engine oil to the threads of the oil pump sprocket mounting bolt (A).
5. Loosely install the oil pump (B), then install the oil pump sprocket (C).
6. Tighten the oil pump mounting bolts and the oil pump sprocket mounting bolt.
7. Remove the 6 mm long pin punch (D). 8. Squeeze the new oil pump chain tensioner (A), then
install the set clip (B) on it as shown.
NOTE: The set clip is supplied with the oil pump
chain tensioner.
9. Install the new oil pump chain tensioner.
08/08/21 14:36:59 61SNR030_080_0022
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Engine Mechanical
Intake Manifold and Exhaust System
.............................
.................... ................
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Intake Manifold Removal and Installation . 9-2
Exhaust Manifold Removal and Installation . 9-11
Exhaust Pipe and Muffler Replacement . 9-13
08/08/21 14:37:29 61SNR030_090_0001
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DYNOMITE -2009-


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Exploded View - K20Z2 engine
9-2Intake Manifold and Exhaust System
Intake Manifold Removal and Installation
INTAKE AIR BYPASS (IAB)
THERMAL VALVE
JOINT GASKET
THROTTLE BODY
INTAKE MANIFOLD BRACKET
MANIFOLD
ABSOLUTE
PRESSURE
(MAP)
SENSOR INJECTOR BASE
EXHAUST GAS
PRECIRCULATION
(EGR) PLATE 6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft) 8 x 1.25 mm
22 N·m
(2.2 kgf·m,
16 lbf·ft)
GASKET
INTAKE MANIFOLD
O-RING
5x0.8mm
3.4 N·m
(0.35 kgf·m, 2.5 lbf·ft)
8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
GASKET
8x1.25mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
GASKET
6x1.0mm
12 N·m
(1.2 kgf·m, 8.7 lbf·ft) 6x1.0mm
12 N·m
(1.2 kgf·m,
8.7 lbf·ft)
INTAKE MANIFOLD
CHAMBER
8 x 1.25 mm
22 N·m
(2.2 kgf·m, 16 lbf·ft)
GASKET
MARK
Tigten the valve to 15 N·m
(1.5 kgf·m, 11 lbf·ft), then turn the
valve joint toward the mark.
Replace.
Replace if cracked or
if mating surface is
damaged.
Replace.
Replace if cracked or
if mating surface is
damaged.
Replace.
Replace.
Replace.
Replace.
08/08/21 14:37:29 61SNR030_090_0002
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DYNOMITE -2009-



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Removal - K20Z2 engine
9-3
A
B C A
B
C D
A
1. Remove the engine cover.
2. Disconnect the vacuum hose (A) and the breatherpipe (B), then remove the intake air duct (C). 3. Disconnect the engine wire harness connectors,
and remove the wire harness clamps from the
intake manifold:
 Manifold absolute pressure (MAP) sensor connector
 Throttle actuator connector
4. Disconnect the evaporative emission (EVAP) canister hose (A) and the brake booster vacuum
hose (B).
5. Remove the harness bracket mounting bolt (C) and the brake booster vacuum line bracket mounting
bolt (D).
6. Disconnect the water bypass hoses (A), then plug the water bypass hoses.
(cont’d)
08/08/21 14:37:30 61SNR030_090_0003
ProCarManuals.com
DYNOMITE -2009-