![]() Step 3 – Improperly drilled cylinder head hold-down bolt holes Consider a complete engine overhaul or getting a new car.įigure 2. As this can end up costing you more than the engine itself (upwards of $3,500). Have the short block replaced or repaired at an auto shop.The latter may save you more money in the end. Before having the engine replaced, weigh the cost of repair to the cost of buying a new vehicle. Labor costs run between $500 and $800, but adding the cost of the engine (between $600 and $2,500), the total cost of repair can be as much as $3,300. Have a new or rebuilt engine installed.Don't forget to torque all bolts to their proper specs. If you choose to repair the head yourself, a new head gasket will be required during reassembly. Check the cylinder head and have it milled if it's warped.This is okay since both the cylinder head and the engine block are aluminum. ![]() Weld any cracks through a gas tungsten arc welding (GTAW) procedure, which is also known as tungsten inert gas (TIG).If you find any cracks in the head or block: A lso, run the same tests and inspect the engine block. One test or the other may indicate that the source of the problem is within the cylinder head. If you suspect a cracked cylinder head, do a compression test and an oil leak dye detection test. (Related Article: How to Replace Head Gasket - ) Step 2 – Are there cracks in the head or block? With parts and labor, the cost to repair a blown head gasket starts at $500, but again depending on where you take it. ![]() If the compression in the cylinders is okay (if the ranges are between 163 and 170 PSI with an acceptable 15 to 20 PSI pressure difference between the cylinders), your head gasket is good and does not need to be replaced.ĭepending on the auto shop or Honda dealership, the cost for both diagnostic tests might run anywhere between $150 to $350. If you have evidence of coolant in the crankcase, you can d o a compression and leak-down test. The result is white smoke blowing out from the exhaust and dead cylinders. A worn head gasket would allow oil to get into the coolant, but it would also allow coolant to get into the oil. When you have a worn head gasket (which is not common in Honda engines), there is one telltale indicator in addition to engine oil in the coolant reservoir, and that is there is also coolant in the crankcase oil.
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