Head gasket
(→Re-using head gaskets) |
(→When replacing a blown head gasket) |
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*Follow specific torque settings and bolt-tightening sequence perfectly. | *Follow specific torque settings and bolt-tightening sequence perfectly. | ||
*Replace both at the same time, even if only one has blown. | *Replace both at the same time, even if only one has blown. | ||
− | *Oil the tips of the cylinder head bolts with light oil. ''(confirm this, and expand)'' | + | *Oil the tips of the cylinder head bolts with light oil. ''(confirm this, and expand)'' . Use a little bit of oil on the underhead of the bolt, to aid getting the proper torque reading. |
− | *Sometimes a sealant will need to be used on the head bolts, as they may intersect the water jackets, and be exposed to engine coolant. | + | *Sometimes a sealant will need to be used on the head bolts, as they may intersect the water jackets, and be exposed to engine coolant. Use a non-hardening sealer ''(confirm and expand)''. |
*Change the oil and oil filter too -- they're likely contaminated with coolant. | *Change the oil and oil filter too -- they're likely contaminated with coolant. | ||
*Don't be surprised if some of the water ports are "blocked off" with your gasket. Various gaskets are made to differently meter the coolant and direct its flow. | *Don't be surprised if some of the water ports are "blocked off" with your gasket. Various gaskets are made to differently meter the coolant and direct its flow. |