Solved 1.4 AUA oil leak

Welshboy

Member
Hi guys last week the oil pressure warning light came on . On investigation the oil pressure sensor/switch was leaking oil which saturated the electrical connectors. I replaced the Switch and cleaned the connectors with first a blast of wd 40 followed by a liberal blast of contact cleaner. Following that the oil warning light disappeared. Now I notice dripping oil when the car is parked. Can anybody please tell me what my finger is pointing at in the pic ? Also could this also be a source of an oil leak ? TIA
 

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Welshboy

Member
Oil leak is now fixed. After cleaning the block thoroughly I saw a hairline crack where the oil pressure sensor screws in. I bought a reducer sprayed carb cleaner on the crack then roughed up the block surrounding it with a hacksaw blade and scratched the crack at 90 deg and both 45 deg angles . I also roughed up the reducer face where it mates to the block. Then fitted the reducer screwed in leaving enough gap to apply jb weld then tightened up the reducer and applied more jbweld to the crack. Left it overnight then fitted the oil switch to the reducer using permatex 59214 on the threads. Left it 24 hours and started the car . No leaks at all . The reducer is on the auction site 1/8" NPT Female To M10x1.0 Male Reducer
 

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