2000 Hyundai Accent Valve, Valve Guides and Springs Removal and Installation

…d at normal temperature after cutting away most of the insert wall, using valve seat cutters. 2. After removing the seat insert, machine the seat insert bore using a reamer or a cutter. Cut to the size shown in the table. 3. Heat the cylinder head to about 250° (480° and press in the oversize C F) seat insert. The oversize seat insert should be at normal room temperature for installation. After installing a new valve seat insert, resurface the…

2008 Chevrolet S10 Blazer Valve Lash Valve Lash ADJUSTMENT

…to 18 ft. lbs. (25 Nm). Be very careful not to over- tighten the rocker arm nuts. ONLY tighten the nuts when the hydraulic lifter is resting on the base circle of the camshaft and not when it is held upward on the lobe. When valve lash falls out of specification (valve tap is heard), replace the rocker arm, pushrod and hydraulic lifter on the offend- ing cylinder. 4.3L Engine The 4.3L engines are equipped with screw-in rocker arm studs with…

2004-2007 Ford Freestar Fuel System–Evaporative Emissions Removal and Installation

…y small EVAP system leaks. The last stage is entered only if stage two of the leak test has failed and checks whether the failed test was due to excess vapor generation. It monitors fuel vapor generation rate. Initially, the canister vent solenoid is opened to equalize EVAP system pressure to atmosphere. Then the canister vent solenoid is closed, allowing pressure to build if vapor generation is present in sufficient quantity. If the rate of…

2011-2012 Mitsubishi Lancer TPMS Sensor Parts Identification

…the valve stem. Genuine Mitsubishi parts have nickel plated cores to prevent corrosion. Do not over tighten. 3. Valve stem nut* – Holds the TPMS sensor to the wheel. Do not over tighten. ! CAUTION *Proper torque of the valve stem core and valve stem nut is extremely important. Over tightening of either component can damage the aluminum valve stem (damaged threads, cracked valve stem) and cause an air leak. 4. Transmitter (one piece sensor)…

Hyundai Continuously Variable Valve Timing

…y the PCM depending on the engine load and speed. The crank angle may be varied up to 40°. The three main advantages of the CVVT system are: • Reduced Fuel consumption due to better cylinder charge achieved through increased valve overlap. • Reduced NOx emissions due to the EGR effect cre- ated by valve overlap. • Improved performance and increased torque at low speeds through increased volumetric and ther- modynamic efficiencies created by…