Head gasket
(→Head gasket sealants and sprays) |
(→Compression testing and leakdown testing) |
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*If a compression test shows two cylinders with equal but low compression, then that may indicate a blown head gasket, with a leak between those two cylinders. | *If a compression test shows two cylinders with equal but low compression, then that may indicate a blown head gasket, with a leak between those two cylinders. | ||
*If you can, do a leakdown test. | *If you can, do a leakdown test. | ||
| + | *If you can, pressure test the coolant system. If you pressurize the system, and you lose pressure, you may have a blown head gasket. | ||
==When replacing a blown head gasket== | ==When replacing a blown head gasket== | ||
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