Head gasket
(→Head gasket re-torquing) |
(→When replacing a blown head gasket) |
||
Line 106: | Line 106: | ||
*Follow specific torque settings and bolt-tightening sequence perfectly. Re-torque as specificied. | *Follow specific torque settings and bolt-tightening sequence perfectly. Re-torque as specificied. | ||
*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)''. Also, you can 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. Use a non-hardening sealer ''(confirm and expand)''. | *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" | + | *Don't be surprised if some of the water ports are "blocked off" on your gasket. Various gaskets are made to differently meter the coolant and direct its flow. Gaskets are also made differently for street and race applications. |
===Re-using head gaskets=== | ===Re-using head gaskets=== |