RM38N0EC _51 Engine / Hybrid System _111792 M20C-FKS, M20D-FKS INTAKE / EXHAUST _0503718 EXHAUST MANIFOLD A

M20C-FKS, M20D-FKS INTAKE / EXHAUST  EXHAUST MANIFOLD  INSTALLATION  


PROCEDURE

Hide 17168 1.INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR

a.

Install the No. 2 exhaust manifold heat insulator to the exhaust manifold with the 3 bolts.

Torque:
10 N*m (102 kgf*cm, 7 ft.*lbf)


Hide 17141 2.INSTALL EXHAUST MANIFOLD

a.

Install a new exhaust manifold to head gasket to the cylinder head sub-assembly.


b.
A539140N01
2.125,0.635 2.281,0.833 0.156,0.198 10 true 1 1.125,0.021 1.281,0.219 0.156,0.198 10 true 2 2.365,0.021 2.521,0.219 0.156,0.198 10 true 3 1.448,0.75 1.604,0.948 0.156,0.198 10 true 4 2.677,0.271 2.833,0.469 0.156,0.198 10 true 5 0.823,0.656 0.979,0.854 0.156,0.198 10 true 6 0.573,0.104 0.729,0.302 0.156,0.198 10 true 7

Using a 12 mm deep socket wrench, temporarily install the exhaust manifold to the cylinder head sub-assembly with 7 new nuts.


c.

Using a 12 mm deep socket wrench, tighten the 7 nuts in the order shown in the illustration.

Torque:
26 N*m (265 kgf*cm, 19 ft.*lbf)


Hide 17118 3.INSTALL MANIFOLD STAY

a.
A477493N01
3.042,1.281 3.198,1.479 0.156,0.198 10 true 1 0.979,1.354 1.135,1.552 0.156,0.198 10 true 2

Temporarily install the manifold stay to the exhaust manifold and cylinder block sub-assembly with the bolt and nut.


b.

Tighten the bolt and nut in the order shown in the illustration.

Torque:
43 N*m (438 kgf*cm, 32 ft.*lbf)


Hide 17167 4.INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

a.

Install the No. 1 exhaust manifold heat insulator to the exhaust manifold with the 2 bolts.

Torque:
10 N*m (102 kgf*cm, 7 ft.*lbf)


Hide 5.INSTALL NO. 1 VACUUM TRANSMITTING PIPE SUB-ASSEMBLY

a.
A539141C01
1.635,0.271 1.948,0.469 0.313,0.198 10 true *a
*a Torque Wrench Fulcrum Length


Using a 14 mm union nut wrench, install a new No. 1 vacuum transmitting pipe sub-assembly to the exhaust manifold.

Torque:
Specified tightening torque : 30 N*m (306 kgf*cm, 22 ft.*lbf)

HINT:
·

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

Click hereGeneral>INTRODUCTION>REPAIR INSTRUCTION>PRECAUTION

·

When using a 14 mm union nut wrench (fulcrum length of 25 mm (0.984 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 26.3 N*m (268 kgf*cm, 19 ft.*lbf).




b.

Install the nut.

Torque:
10 N*m (102 kgf*cm, 7 ft.*lbf)


Hide 17410 7.INSTALL FRONT EXHAUST PIPE ASSEMBLY

a.

Install 2 new gaskets to the front exhaust pipe assembly.


b.

Connect the front exhaust pipe assembly to the 2 exhaust pipe supports.


c.

Install the front exhaust pipe assembly to the exhaust manifold and tail exhaust pipe assembly with 2 new bolts and 2 new nuts.

Torque:
43 N*m (438 kgf*cm, 32 ft.*lbf)


d.
A539135

Connect the No. 2 exhaust gas temperature sensor connector.


e.

Attach the 2 clamps.


f.
A539134

Connect the No. 1 exhaust gas temperature sensor connector.


g.

Attach the clamp.


h.
A539142C01
2.875,0.552 2.885,0.115 2.885,0.115 2.521,0.125 true 2.896,0.854 2.698,1.125 2.698,1.125 2.542,0.646 true 2.302,0.063 2.479,0.271 0.177,0.208 10 true *a 2.625,1.135 2.875,1.354 0.25,0.219 10 true *b
*a Tube
*b Wire Harness Clamp


Connect the air fuel ratio sensor (for sensor 2) connector.


i.

Engage the wire harness clamp so that the tube is positioned as shown in the illustration.


Hide 12. RESET TOTAL SHORT TRIP ESTIMATE

HINT:

This function is used for initializing the value of "Total Short Trip Estimate Bank 1" which was stored to the ECM when replacing the TWC (front catalyst).


Click hereEngine / Hybrid System>M20C-FKS, M20D-FKS (ENGINE CONTROL)>SFI SYSTEM>INITIALIZATION