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There are (3) common leak sources on the 1999 Plymouth Breeze 2.0. Eliminate the head gasket by simply checking the oil on the dip stick. A leaking head gasket will almost always leave water or oil/water slurry on the stick. Check these (3) areas...
1) Cam sensor. Located on the left end of the head. Will often pool oil on top of the transmission case. Often misdiagnosed as a head gasket leak. Replacement sensor is about $25 and can easily be done without going to the shop.
2) Oil pressure sensor/switch. Located on the rear side (firewall side) and threaded into the block down low and just above the oil pan. Although the replacement part is only about $25, you may want the shop for this. Without a hoist, it is very difficult to access. Replacement also requires a special 1-1/8 socket for removal and installation. A leaking pressure switch will usually drop oil on the ground at the center/rear of the engine compartment.
3) Valve cover. This is the most over looked leak on the 2.0 engine. A leaking valve cover easily replicates a leaking head gasket, cam sensor or oil pressure switch. They will drop oil onto the ground everywhere below the engine compartment and will also pool oil on top of the transmission case. The plastic valve cover needs to be removed and carefully inspected. Often times they are cracked out in the corners from years of heat and expansion/contraction. Most mechanics also have a habit of over tightening these which is also a common cause of cracking. Salvage yard replacement covers run everywhere from $15 to $75. Inspect all salvage yard replacement covers very carefully for cracks as well. Gasket sets, including the spark tube seals, are around $35. There are two different gasket sets available for the 1999 2.0 engine depending on vehicle manufacture date prior to, or after, April of 1999. Date of manufacture is found on the door tag. Again, DO NOT over tighten the cover.
Good luck diagnosing your oil leak. They can be quite an adventure at times!
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∙ 11y ago
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