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Roadside Jerry
Roadside Jerry, Auto Mechanic
Category: Car
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Experience:  Auto Mehanic 39 years,30 with the NYPD Fleet Service Division
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1999 toyota corolla: liquid leak in spark plugs one and two

Resolved Question:

1999 toyota corolla has liquid leak in spark plugs one and two. please advise
Submitted: 6 years ago.
Category: Car
Expert:  Roadside Jerry replied 6 years ago.

HelloCustomerThe spark plug tubes are leaking oil into the spark plug wells,Here is how to replace them. Remove the spark plug wires from the spark plugs, then remove the large nuts (30mm) around them that hold the valve cover down. If the valve cover is stuck, knock it loose, gently, with a rubber mallet or wood block.

Remove the old gasket and spark plug tube seals from the valve cover. Clean all mating surfaces, including the top edge of the cylinder head, and place the new gaskets/seals where the old ones were.

Place the valve cover back on the head, tighten the nuts down on the spark plug tubes, and place the plug wire ends on the same spark plugs they came from. Here is a piture of the gasket and seal kit.

graphic

Roadside Jerry, Auto Mechanic
Category: Car
Satisfied Customers: 2948
Experience: Auto Mehanic 39 years,30 with the NYPD Fleet Service Division
Roadside Jerry and 6 other Car Specialists are ready to help you
Customer: replied 6 years ago.
i truly believe the liquid is gasoline not oil.
Expert:  Roadside Jerry replied 6 years ago.
HelloCustomerI can't see how gasoline could be leaking into that area. Do you smell any fuel when you turn on the key with the engine off. This would pressurize the fuel rail,and with a cold engine would give you time to see any gas before it evaporated.I have had fuel leaks from injector O rings and injectors bodies cause external leaks, but not cause any fuel to leak into the spark plug tubes.If fuel was leaking into that area it would not build up in there as oil could.

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Roadside Jerry
Roadside Jerry
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Auto Mehanic 39 years,30 with the NYPD Fleet Service Division