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Intake Manifold and Exhaust System Acura ZDX I

Mechanical 27 illustrations ~990 words

Scheme 1

Scheme 1: Component Location Index
Scheme 1: Component Location Index

Scheme 2

Scheme 2: Air Cleaner Element Inspection/Replacement
Scheme 2: Air Cleaner Element Inspection/Replacement
  1. Open the air cleaner housing cover (A).
  2. Remove the air cleaner element (B) from the air cleaner housing (C).
  3. Check the air cleaner element for damage or clogging. If it is damaged or clogged, replace it. NOTE: Do not use compressed air to clean the air cleaner element.
  4. Clean and remove any debris from inside the air cleaner housing.
  5. Install the parts in the reverse order of removal. If the idle speed fluctuates, do the idle speed inspection (see «IDLE SPEED INSPECTION»(/acura/zdx/i-2009-2013/remont/testing-diagnostics/#idle-control-system__idle-speed-inspection) ).

Scheme 3

Scheme 3: Air Cleaner Removal/Installation
Scheme 3: Air Cleaner Removal/Installation

Scheme 4

Scheme 4
Scheme 4

Scheme 5

Scheme 5
Scheme 5
  1. Disconnect the breather pipe (A).
  2. Disconnect the MAF sensor/IAT sensor connector (B), then remove the intake air duct (C). NOTE: When tightening the screw of the hose band (D), align the edge of the hose band (E) with the mark (F) painted on the hose band. If you tighten the screw over the mark, replace the hose band.
  3. Remove the harness clamps (A) and the harness bracket (B).
  4. Remove the air cleaner (A).
  5. Install the parts in the reverse order of removal. If the idle speed fluctuates, do the idle speed inspection (see «IDLE SPEED INSPECTION»(/acura/zdx/i-2009-2013/remont/testing-diagnostics/#idle-control-system__idle-speed-inspection) ).

Scheme 6

Scheme 6: Intake Air Resonator Removal/Installation
Scheme 6: Intake Air Resonator Removal/Installation

Scheme 7

Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9
  1. Remove the air cleaner (see «AIR CLEANER REMOVAL/INSTALLATION»(/acura/zdx/i-2009-2013/remont/mechanical/#intake-manifold-and-exhaust-system) ).
  2. Do the battery removal procedure (see «BATTERY REMOVAL AND INSTALLATION»(/acura/zdx/i-2009-2013/remont/body-electrical/#battery) ).
  3. Remove the battery heat shield (A).
  4. Remove the front bumper (see «FRONT BUMPER REMOVAL/INSTALLATION»(/acura/zdx/i-2009-2013/remont/exterior-body-panels/#bumpers__front-bumper-removalinstallation) ).
  5. Remove the left side headlight (see «HEADLIGHT REPLACEMENT»(/acura/zdx/i-2009-2013/remont/exterior-lights/#exterior-lights) ).
  6. Remove the air intake cover (A).
  7. Remove the driver's side front inner fender (see «FRONT INNER FENDER REPLACEMENT»(/acura/zdx/i-2009-2013/remont/exterior-body-panels/#fenderwell__front-inner-fender-replacement) ).
  8. Remove the intake air tube (A).
  9. Remove the intake air resonator (A).
  10. Install the parts in the reverse order of removal.
  11. Do the battery installation procedure (see «BATTERY REMOVAL AND INSTALLATION»(/acura/zdx/i-2009-2013/remont/body-electrical/#battery) ).
  12. Install the air cleaner (see «AIR CLEANER ELEMENT INSPECTION/REPLACEMENT»(/acura/zdx/i-2009-2013/remont/mechanical/#intake-manifold-and-exhaust-system) ).
  13. Do the head light adjustment procedure (see «HEADLIGHT ADJUSTMENT»(/acura/zdx/i-2009-2013/remont/exterior-lights/#exterior-lights__headlight-adjustment) ).

Scheme 10

Scheme 10: Exploded View
Scheme 10: Exploded View

Note. Refer to the EXPLODED VIEW if needed during this procedure.

Scheme 11

Scheme 11: Removal
Scheme 11: Removal

Scheme 12

Scheme 12
Scheme 12

Scheme 13

Scheme 13
Scheme 13

Scheme 14

Scheme 14
Scheme 14

Scheme 15

Scheme 15
Scheme 15

Scheme 16

Scheme 16
Scheme 16
  1. Remove the engine cover.
  2. Disconnect the breather pipe (A).
  3. Remove the Intake air duct (B).
  4. Disconnect the PCV hose (A), the brake booster vacuum hose (B), the vacuum hose (C), and the IMT actuator connector (D).
  5. Disconnect the EVAP canister purge hose (A), the EVAP canister purge valve connector (B), the throttle body connector (C), and the MAP sensor connector (D).
  6. Disconnect and plug the water bypass hoses (E).
  7. Remove the upper cover mounting bolts and nuts sequentially in three steps, then remove the upper cover (A).
  8. Remove the intake manifold mounting bolts and nuts sequentially in three steps.
  9. Remove the intake manifold.

Scheme 17

Scheme 17: Installation
Scheme 17: Installation

Scheme 18

Scheme 18
Scheme 18

Scheme 19

Scheme 19
Scheme 19

Scheme 20

Scheme 20
Scheme 20

Scheme 21

Scheme 21
Scheme 21

Scheme 22

Scheme 22
Scheme 22
  1. Install the intake manifold. Tighten the bolts and nuts sequentially in three steps. Always use a new intake manifold gasket. Specified Torque 8 x 1.25 mm: 22 N.m (2.2 kgf.m, 16 lbf.ft)
  2. Install the upper cover (A). Tighten the bolts and nuts sequentially in three steps. Always use a new gasket. Specified Torque 6 x 1.0 mm: 12 N.m (1.2 kgf.m, 9 lbf.ft)
  3. Connect the water bypass hoses (A).
  4. Connect the MAP sensor connector (B), the throttle body connector (C), the EVAP canister purge valve connector (D), and the EVAP canister purge hose (E).
  5. Connect the IMT actuator connector (A), the vacuum hose (B), the brake booster vacuum hose (C), and the PCV hose (D).
  6. Install the intake air duct (A). NOTE: When tightening the screw of the hose band (B), align the edge of the hose band (C) with the mark (D) painted on the hose band. If you tighten the screw over the mark, replace the hose band.
  7. Connect the breather pipe (E).
  8. Install the engine cover.
  9. Clean up any spilled engine coolant.
  10. After installation, check that all tubes, hoses, and connectors are installed correctly.
  11. Refill the radiator with engine coolant, and bleed the air from the cooling system (see «COOLANT CHECK»(/acura/zdx/i-2009-2013/remont/cooling-fan/#engine-cooling-system) ).

Scheme 23

Scheme 23: Removal
Scheme 23: Removal

Scheme 24

Scheme 24
Scheme 24
  1. Relieve the fuel pressure (see «FUEL PRESSURE RELIEVING»(/acura/zdx/i-2009-2013/remont/fuel-system/#fuel-supply-system__fuel-pressure-relieving) ).
  2. Remove the drive belt (see «DRIVE BELT REPLACEMENT»(/acura/zdx/i-2009-2013/remont/charging-system/#charging-system__drive-belt-replacement) ).
  3. Remove the power steering pump and the power steering hose bracket (see step 6 under «CYLINDER HEAD REMOVAL»(/acura/zdx/i-2009-2013/remont/mechanical/#cylinder-head) ).
  4. Remove the intake manifold (see «REMOVAL»(/acura/zdx/i-2009-2013/remont/mechanical/#intake-manifold-and-exhaust-system) ).
  5. Remove the injectors (see «INJECTOR REPLACEMENT»(/acura/zdx/i-2009-2013/remont/testing-diagnostics/#pgm-fi-system) ).
  6. Remove the harness holder mounting bolt (A) and disconnect the knock sensor connector (B).
  7. Remove the injector base mounting bolts/nuts (A), then remove the front injector base (B) and the rear injector base (C).

Scheme 25

Scheme 25: Installation
Scheme 25: Installation

Scheme 26

Scheme 26
Scheme 26
  1. Install the front injector base (A) and the rear injector base (B) with new gaskets (C), and tighten the injector base mounting bolts/nuts (D) in a crisscross pattern in three steps, beginning with the inner nuts. NOTE: The front injector base gasket is different from the rear one. Do not mix injector base gasket types.
  2. Connect the knock sensor connector (A) and install the harness holder mounting bolt (B).
  3. Install the injectors (see «INJECTOR REPLACEMENT»(/acura/zdx/i-2009-2013/remont/testing-diagnostics/#pgm-fi-system) ).
  4. Install the intake manifold (see «INSTALLATION»(/acura/zdx/i-2009-2013/remont/mechanical/#intake-manifold-and-exhaust-system) ).
  5. Install the power steering pump and the power steering hose bracket (see step 25 under «CYLINDER HEAD INSTALLATION»(/acura/zdx/i-2009-2013/remont/mechanical/#cylinder-head) ).
  6. Install the drive belt (see «DRIVE BELT REPLACEMENT»(/acura/zdx/i-2009-2013/remont/charging-system/#charging-system__drive-belt-replacement) ).
  7. Inspect for fuel leaks. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode (do not operate the starter) so the fuel pump runs for about 2 seconds and pressurizes the fuel line. Repeat this operation three times, then check for fuel leakage at any point in the fuel line.

Exhaust Pipe and Muffler Replacement

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

Scheme 27

Scheme 27: Exhaust Pipe and Muffler Replacement
Scheme 27: Exhaust Pipe and Muffler Replacement

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