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| Both sides previous revision Previous revision Next revision | Previous revisionLast revisionBoth sides next revision | ||
| articles:m104_head_gasket_replacement [2024/03/02 06:02] – john5788 | articles:m104_head_gasket_replacement [2024/03/13 06:18] – john5788 | ||
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| - Set engine position to TDC | - Set engine position to TDC | ||
| - | ===== Front Cover, Belt, and Accessories ===== | + | ===== Remove |
| - Remove false firewall | - Remove false firewall | ||
| + | - Remove wire harness holder | ||
| - Remove valve cover | - Remove valve cover | ||
| - Remove and disconnect smog pump / EGR switchover vacuum valve | - Remove and disconnect smog pump / EGR switchover vacuum valve | ||
| Line 43: | Line 44: | ||
| - Remove camshaft chain sprocket | - Remove camshaft chain sprocket | ||
| - | ===== Exhaust Manifold ===== | + | ===== Remove |
| - Remove smog pump / alternator bracket from engine block | - Remove smog pump / alternator bracket from engine block | ||
| - Remove EGR valve | - Remove EGR valve | ||
| Line 53: | Line 54: | ||
| - Remove copper self locking nuts securing exhaust manifolds to cylinder head | - Remove copper self locking nuts securing exhaust manifolds to cylinder head | ||
| - Remove exhaust manifold | - Remove exhaust manifold | ||
| + | |||
| + | ===== Remove Intake Manifold ===== | ||
| + | - Disconnect fuel injectors wire plugs | ||
| + | - Disconnect resonance flap wire plug | ||
| + | - Bleed pressure from fuel rail using test port schrader valve | ||
| + | - Disconnect fuel supply and fuel return hoses | ||
| + | - Remove 5 screws holding fuel rail to intake manifold | ||
| + | - Pull fuel rail off | ||
| + | - Remove remaining screws on intake manifold | ||
| + | - Loosen hose clamps connecting upper and lower manifolds | ||
| + | - Pull air intake away from cylinder head slightly | ||
| + | - Reach down between gap and disconnect knock sensor below cylinder 5 | ||
| + | - Remove air intake manifold | ||
| + | |||
| + | ===== Remove Cylinder Head ===== | ||
| + | - Remove EGR support bracket | ||
| + | - Loosen hose clamp on coolant hose at back of cylinder head and pull off hose | ||
| + | - Remove cylinder head bolts, starting with bolt #14 on the outside working towards the center | ||
| + | - Lift cylinder head off engine block. Cylinder head weight approximately 80 lb. | ||