 Guess my oil leak, Engine oil leak near oil pressure sender, cooler, and oil filter |
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| marksteinhilber |
 May 10 2018, 10:17 PM
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Member  Group: Members Posts: 229 Joined: 18-October 12 From: Foothill Ranch, CA 92610 Member No.: 15,057 Region Association: Southern California  |
Guesses on likely source of steady oil leak when running? I see fresh oil around pressure sender on top of engine near distributor on 1974 1.8 with Ljet. Oil comes down around oil cooler and oil filter. I realize it could also be bad cooler seals, a leaking oil cooler itself, or maybe a blown filter gasket. Any educated guesses? Car had sat for 10 years before resurrection. Engine oil has been changed twice, it nothing other than fuel system was rebuilt. Suggestions o n sequence of obvious checks. I have a new pressure sender, new cooler seals and dr 914s method to change in car, and new filter available.ideas?
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Replies(1 - 3)
| '73-914kid |
May 11 2018, 07:19 AM
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Senior Member Group: Members Posts: 1,473 Joined: 1-November 08 From: Vista, CA Member No.: 9,714 Region Association: Southern California  |
If it's starting around the oil pressure sender, there's a pretty good chance that the sender itself is the culprit. The unit is crimped together, and that seam is usually where they will leak from.
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| marksteinhilber |
May 11 2018, 02:14 PM
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Member Group: Members Posts: 229 Joined: 18-October 12 From: Foothill Ranch, CA 92610 Member No.: 15,057 Region Association: Southern California |
QUOTE('73-914kid @ May 11 2018, 06:19 AM)  If it's starting around the oil pressure sender, there's a pretty good chance that the sender itself is the culprit. The unit is crimped together, and that seam is usually where they will leak from. Thanks for the insight on the pressure sender Ethan, exactly the kind of answer I was looking for. They are known to sometimes leak. I already bought a new one to swap in because I could see some fresh oil up there, but thought it was probably leaking around the copper washer. Replacing the sender now seems clearly the obvious place to start rather than attempting to change the oil cooler seals. (IMG:style_emoticons/default/idea.gif) If that's not it, I guess checking the seal on the oil filter is easy and may also be the culprit. But I keep thinking about oil cooler failure and if they fail very often. I also see that Pelican sells 3 different grades of coolers. I wonder if there is that much demand due to failing coolers and if the OEM part is worth the extra money. If I have to drop the engine to replace the oil cooler, then I should probably just rebuild the whole motor to 2258 cc, er while I'm in there right? Again, thanks for the response, it helps me make a smart plan of attack. (IMG:style_emoticons/default/type.gif) mark |
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| Amphicar770 |
May 11 2018, 04:13 PM
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#4
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Senior Member Group: Members Posts: 1,191 Joined: 20-April 10 From: PA, USA Member No.: 11,639 Region Association: MidAtlantic Region 
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Can't tell from the pic. Mine leaks a bit from where the oil filter mount attaches to engine, the one gasket I did not replace when engine was out.
Busdepot also sells aftermarket and OEM oil cooler. I went OEM. I seem to recall people saying to stay away from the repro units. |
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