OEM Scion Cylinder Head Gasket

Scion Cylinder Head Gasket Parts and Q&A

• Head Gasket
  11115-28040
  Q: How to remove the cylinder head gasket on Scion xB?

  A:

  The removal process of the 2AZ-FE engine cylinder head gasket starts with fuel system pressure discharge first. Disconnect the cable from the negative battery terminal before waiting for 90 seconds and after ensuring prevention of Air Bag activation. Start by removing the hood through wash hose disconnect and bolt (4) deinstallation. The removal procedure starts with taking away the front right wheel in addition to both the No. 1 engine under cover and the rear engine under cover on the right side of the vehicle. Start by taking off the No. 1 engine cover sub-assembly and then draining engine coolant followed by engine oil before disconnecting the center exhaust pipe assembly. Proceed with removal of the front exhaust pipe assembly followed by the windshield wiper arm cover and the front wiper arm assemblies together with their blades. The technician should remove the hood to cowl top seal together with cowl top ventilator louvers found on both sides and also the front wiper motor and link. You should proceed to remove the outer cowl top panel and fan and generator V belt followed by the generator assembly. The radiator reserve tank assembly requires its two bolts to be removed before separation. Rephrase the following sentence, normalize verbalization when possible: Take off the air cleaner cap sub-assembly with hose together with throttle body assembly, ignition coil assembly, and spark plug. Separate the combination of cylinder head cover, oil dipstick, oil dipstick guide, bolt, and O-ring from the system. Disembark the fuel main tube before taking out the fuel delivery pipe sub-assembly. You should unfasten the camshaft timing oil control valve assembly, intake manifold and intake manifold insulator while you extract the manifold stays and the No. 1 exhaust manifold heat insulator. The exhaust manifold converter sub-assembly demands removal with both air-fuel ratio sensor connector disconnection and the elimination of 5 nuts, manifold converter, and gasket. A transmission jack enables supporting the engine to safely separate the right-hand engine mounting insulator sub-assembly using appropriate bolts and brackets. The manufacturer should execute the front engine mounting insulator sub-assembly process again. First remove the idler pulley subsystem while next operating to eliminate the oil pan subsystem through installation of new bolts for the No. 1 and No. 2 engine hangers and sling device attachment and subsequent bolt and nut removal. Localize the sealer with a cutting wheel for extracting the oil pan without affecting the contact areas. Set the No. 1 cylinder at TDC compression by aligning its crankshaft pulley with the timing mark "0" and verifying that the camshaft timing gear and sprocket alignment. The crankshaft pulley and the No. 1 chain tensioner assembly need removal but avoid rotating the crankshaft except with the chain tensioner in place. The procedure requires uninstalling the transverse engine mounting bracket as well as the V-ribbed belt tensioner assembly and crankshaft position sensor. Detaching the timing chain or belt cover sub-assembly should happen while avoiding any damage to its contacting surfaces. You must take off the No. 1 crankshaft position sensor plate and timing chain guide in addition to the chain tensioner slipper and No. 1 chain vibration damper. The technician should detach the crankshaft timing gear or sprocket with the chain sub-assembly. Lock the oil pump drive shaft sprocket by turning the crankshaft 90 degrees counterclockwise before removing the required parts of the No. 2 chain sub-assembly. The maintenance procedure includes hose disconnection of the inlet radiator as well as outlet heater water and inlet heater water and engine wire connectors removal. After removing the No. 2 camshaft and camshaft and both camshaft bearings it is essential to loosen evenly all 10 cylinder head bolts together with 10 plate washers according to a specific sequence before carefully prying off the cylinder head to remove the cylinder head gasket.
• Head Gasket
  11115-37062
  Q: What is the importance of the cylinder head gasket during service and repair on Scion xD?

  A:

  Proper attention should be given to the 2ZR-FE cylinder head gasket since it remains a fundamental part supporting engine performance in service. Optimal engine performance with leak prevention requires both correct handling steps during service and proper installation techniques. Knowledge about individual cylinder head gasket assembly components prevents difficulties during both servicing and diagnostic processes.