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Ron
Ron, ASE Certified Technician
Category: Honda
Satisfied Customers: 27660
Experience:  ASE Certified Tech 34 years.
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Honda Accord: Can u tell me how to remove the head on my car

Resolved Question:

Can u tell me how to remove the head on my car so i can replace the valve seals because its smoking bad
Submitted: 1 year ago.
Category: Honda
Expert:  Ron replied 1 year ago.
Hello, I am Ron and I will do my best to help you.

Before you remove the head be sure to line the #1 cylinder up on Top Dead center to insure the timing stays lined up. See the cylinder head removal steps below.

WARNING:

  • Make sure lacks and safety stands are placed properly and hoist brackets are attached to correct position on the engine.

CAUTION:

  • Use fender covers to avoid damaging painted surfaces.
  • Unplug the wiring connectors carefully while holding the connector portion to avoid damage.
  • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 100°F (38°C) before loosening the retaining bolts.

NOTE:

  • Engine removal is not required for this procedure.
  • Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact other wiring or hoses, or interfere with other parts.
  • Inspect the timing belt before removing the cylinder head.
  • Turn the crankshaft pulley so that the No. 1 piston is at top dead center.
  • The original radio has a coded theft protection circuit. Be sure to get the customer's code number before - disconnecting the battery.
  • removing the No. 39 (7.5 A) fuse from the under- hood fuse/relay box.
  • removing radio. After service, reconnect power to the radio and turn it on. When the word "CODE" is displayed, enter the customer's 5-digit code to restore radio operation.
  1. Disconnect the battery negative terminal first, then the positive terminal.
  2. Drain the engine coolant.
    • Remove the radiator cap to speed draining.



 

  1. Remove the throttle cable, throttle control cable (A/T) and cruise control cable.

NOTE:

  • Take care not to bend the cable when removing it. Always replace any kinked cable with a new one.
  • Adjust the throttle cable, throttle control cable and cruise control cable when installing.



 

  1. Remove the intake air duct.



 

  1. Remove the breather hose, positive crankcase ventilation (PCV) hose and evaporative emission (EVAP) control canister hose.
  2. Relieve fuel pressure.

Warning: Do not smoke while working on fuel system, keep open flame or spark away from work area. Drain fuel only into an approved container.



 

  1. Remove the fuel feed hose, fuel return hose and vacuum hoses.
  2. Remove the brake booster vacuum hose and vacuum hoses .



 

  1. Remove the power steering (P/S) hose clamp, wire harness clamp and engine ground cable.



 

  1. Remove the battery cable and alternator connector.
  2. Remove the P/S pump belt and P/S pump.



 

  1. Remove the alternator belt.



 

  1. Remove the engine wire harness holder and water bypass hose.
  2. Remove the engine wire harness connectors and wire harness clamps from the cylinder head and the intake manifold.
    • Four injector connectors
    • Intake air temperature (IAT) sensor connector
    • Idle air control (IAC) valve connector
    • Throttle position sensor connector
    • Manifold absolute pressure (MAP) sensor connector
    • Heated oxygen sensor (HO2S) connector
    • Engine coolant temperature (ECT) sensor connector
    • ECT switch connector
    • ECT gauge sending unit connector
    • Exhaust gas recirculation (EGR) valve lift sensor connector
    • TDC/CKP/CYP sensor connector
    • Ignition coil connector
  1. Remove the spark plug caps and distributor from the cylinder head.



 

  1. Remove the upper and lower radiator hoses and heater hose.



 

  1. Remove the water bypass hoses.
  2. Remove the side engine mount.

NOTE:

  • Use the jack to support the engine before the side engine mount is removed.
  • Make sure to place a cushion between the oil pan and the jack.



 

  1. Remove the cylinder head cover.
  2. Remove the timing belt

See: Timing Belt\Service and Repair\Removal



 

  1. Remove the camshaft pulley and back cover.
  2. Remove the splash shield.



Exhaust Manifold

 

  1. Remove the exhaust manifold.



 

  1. Remove the intake manifold.
  2. Remove the cylinder head bolts, then remove the cylinder head.

CAUTION: To prevent warpage, unscrew the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.



Fig. 11 Cylinder Head Bolt Loosening Sequence


CYLINDER HEAD BOLT LOOSENING SEQUENCE

Ron, ASE Certified Technician
Category: Honda
Satisfied Customers: 27660
Experience: ASE Certified Tech 34 years.
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