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| Both sides previous revision Previous revision Next revision | Previous revision | ||
| articles:m104_head_gasket_replacement [2024/07/11 06:03] – john5788 | articles:m104_head_gasket_replacement [2024/09/03 05:45] (current) – [Install Upper Intake Manifold] john5788 | ||
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| - Remove exhaust manifold | - Remove exhaust manifold | ||
| - | ===== Remove Intake Manifold ===== | + | ===== Remove |
| - Disconnect fuel injectors wire plugs | - Disconnect fuel injectors wire plugs | ||
| - Disconnect resonance flap wire plug | - Disconnect resonance flap wire plug | ||
| Line 95: | Line 95: | ||
| - Install timing chain with exhaust cam timing gear | - Install timing chain with exhaust cam timing gear | ||
| - Tighten screws to 22 Nm | - Tighten screws to 22 Nm | ||
| + | |||
| + | ===== Install Upper Timing Cover ===== | ||
| - Clean mating surfaces for upper timing cover and install U-shaped seal. | - Clean mating surfaces for upper timing cover and install U-shaped seal. | ||
| - Apply oil resistant sealant to metal seal surfaces of upper timing cover | - Apply oil resistant sealant to metal seal surfaces of upper timing cover | ||
| - Replace o-ring for water passage in upper timing cover | - Replace o-ring for water passage in upper timing cover | ||
| + | - Install new timing chain guide rail | ||
| + | - Install upper timing cover, secure bottom screws first. | ||
| + | - Tighten screws to 21 Nm | ||
| + | - Lubricate chain guide rail pin with oil and reinsert through the timing cover | ||
| + | - Reinstall the cover for the pin by hand until fully seated. Tap the guide rail pin further if necessary. Avoid using the threads to push the pin in because they are made of aluminum and will strip. | ||
| + | |||
| + | ===== Install Upper Intake Manifold ===== | ||
| + | - Place intake manifold against cylinder head mating surface and install with only 4 screws | ||
| + | - Use the 4 screws that are not shared by the fuel rail. | ||
| + | - Reconnect knock sensor wiring while intake is loose | ||
| + | - Tighten hose clamps connecting upper and lower intake manifolds | ||
| + | - Reconnect resonance flap electrical connector | ||
| + | - Reinstall fuel rail and the remaining screws to secure both fuel and intake manifold to cylinder head | ||
| + | - Reconnect fuel supply and return line | ||
| + | - | ||