Intake Manifold and Exhaust System Acura TSX I

Exploded View

'04-05 models

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'06-08 models

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1. Disconnect the intake air temperature (IAT) sensor connector (A).
2. Disconnect the vacuum hose (B) and breather pipe (C), then remove the intake air duct (D).
3. Remove the engine cover.
4. Disconnect the evaporative emission (EVAP) canister hose (A) and brake booster vacuum hose (B).
5. Remove the engine wire harness connectors and wire harness clamps from the intake manifold. Throttle actuator connector Manifold absolute pressure (MAP) sensor connector
6. Remove the harness holder (A), harness bracket (B), and harness clamp (C).
7. Disconnect and plug the water bypass hoses.
8. Remove the harness clamp (A) and the harness connector (B) from the intake manifold bracket, then remove the intake manifold bracket (C).
9. Disconnect the vacuum hose.
10. Remove the intake manifold.

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1. Install the intake manifold (A) with a new gasket (B), and tighten the bolts/nuts in a crisscross pattern in three steps, beginning with the inner bolt.
2. Install the vacuum hose.
3. Install the intake manifold bracket (A), then install the harness clamp (B), and harness connector (C) to the intake manifold bracket.
4. Install the water bypass hoses.
5. Install the harness holder (A), harness bracket (B), and harness clamp (C).
6. Reconnect the MAP sensor connector and throttle actuator connector.
7. Install the EVAP canister hose (A) and brake booster vacuum hose (B).
8. Install the engine cover.
9. Install the intake air duct (A), then connect the IAT sensor connector (B), and install the vacuum hose (C) and breather pipe (D).
10. Clean up any spilled engine coolant.
11. After installation, check that all tubes, hoses, and connectors are installed correctly.
12. Refill the radiator with engine coolant, and bleed air from the cooling system with the heater valve open (see step 6 in «COOLANT REPLACEMENT»(/acura/tsx/i-2003-2008/remont/cooling-system-mechanical/#cooling-system) ).

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1. Disconnect the intake air temperature (IAT) sensor connector (A).
2. Disconnect the vacuum hose (B) and breather pipe (C), then remove the intake air duct (D).
3. Remove the engine cover.
4. Disconnect the evaporative emission (EVAP) canister hose (A) and brake booster vacuum hose (B).
5. Remove the engine wire harness connectors and wire harness clamps from the intake manifold. Throttle actuator connector Manifold absolute pressure (MAP) sensor connector
6. Remove the harness holder (A), harness bracket (B), and harness clamp (C).
7. Disconnect and plug the water bypass hoses.
8. Remove the harness clamp (A) and the harness connector (B) from the intake manifold bracket, then remove the intake manifold bracket (C).
9. Disconnect the vacuum hose.
10. Remove the intake manifold.

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1. Install the intake manifold (A) with a new gasket (B), and tighten the bolts/nuts in a crisscross pattern in three steps, beginning with the inner bolt.
2. Install the vacuum hose.
3. Install the intake manifold bracket (A), then install the harness clamp (B), and harness connector (C) to the intake manifold bracket.
4. Install the water bypass hoses.
5. Install the harness holder (A), harness bracket (B), and harness clamp (C).
6. Reconnect the MAP sensor connector and throttle actuator connector.
7. Install the EVAP canister hose (A) and brake booster vacuum hose (B).
8. Install the engine cover.
9. Install the intake air duct (A), then connect the IAT sensor connector (B), and install the vacuum hose (C) and breather pipe (D).
10. Clean up any spilled engine coolant.
11. After installation, check that all tubes, hoses, and connectors are installed correctly.
12. Refill the radiator with engine coolant, and bleed air from the cooling system with the heater valve open (see «COOLANT REPLACEMENT»(/acura/tsx/i-2003-2008/remont/cooling-system-mechanical/#cooling-system) ).

Scheme 35

1. Remove the rocker arm oil control valve (VTEC solenoid valve) (see «ROCKER ARM OIL CONTROL VALVE (VTEC SOLENOID VALVE) REMOVAL/INSTALLATION»(/acura/tsx/i-2003-2008/remont/testing-diagnostics/#variable-valve-timing-and-lift-electronic-control-vtec-with-vtc) ).
2. Remove the cover and exhaust manifold bracket, then remove the exhaust manifold.
3. Install the exhaust manifold and tighten the bolts/nuts in a crisscross pattern in three steps, beginning with the inner nut.
4. Install the other parts in the reverse order of removal.

Exhaust Pipe and Muffler Replacement

Note. Use new gaskets and self-locking nuts when reassembling.

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See also:
• COOLANT REPLACEMENT
• ROCKER ARM OIL CONTROL VALVE (VTEC SOLENOID VALVE) REMOVAL/INSTALLATION