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Registered
Join Date: Feb 2001
Location: Bend, OR, USA
Posts: 761
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Need Oil Leak Diagnosis And Treatment
Just bought a very nice original (2 owner) '75 1.8. First questions of many to follow (Last experience was with '73 2.0 17 years ago):
1. Can I really reach the valve adjusters with the heat exchangers in place? I don't remember seeing any 4 cyl. Porsche that looks so tight (I've done 356, 912 and 914 2.0). I start tomorrow. 2. I have a major oil leak. Assumed it was from a push rod tube or the oil cooler until I went under and saw that oil appeared to be coming from the oil temp. sender. Thought seal must be bad. Then I touched the boot around the brown wire to the sender: boot came apart in my hand and an oil flood occurred (couple of ounces maybe). What is broken and how do I fix it? |
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Stay away from my Member
Join Date: Aug 1999
Location: Agoura, CA
Posts: 5,773
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Congrats on the new car! Sounds like you found a nice one. Yep, you can do the valves with the exhaust in place. Lots of things are a tight squeeze on the 914 but with persistence and some swearing it is feasible. Going to headers (w/o heater sheet metal) does improve access A LOT.
It sounds like your 'taco plate' (cover where the temp sender is) may be warped. The sender is under the little access cover. It sounds like the sender needs to be pulled; IIRC there is a little O-ring that seals it. That's probably leaking. Then, the access plate also has a thin fragile paper seal. It is probably a good idea to use a tiny amount of gaskacinch or curil type of sealant on the cover for good measure. DON'T over tighten it. That's why it's nicknamed the 'taco plate' -- it will fold in half like a taco shell if you overtorque. Then it's trashed. While you're in there, you may want to consider going to a new numbered VDO temp gauge and matching sender. It's an easy and relatively cheap upgrade. Sure beats the 30 year old 'mystery gauge'. Have fun,
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Chris C. 1973 914 "R" (914-6) | track toy 2009 911 Turbo 6-speed (997.1TT) | street weapon 2021 Tesla Model 3 Performance | daily driver 2001 F150 Supercrew 4x4 | hauler |
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Registered
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I'm not sure about the 1.8L heat exchangers, but on my '75 2.0L I just unbolted the heat exchangers and dropped them out of the way.
The stock '75 2.0 has that extra set of flanges in them. It was well worth the cost of two exhaust gaskets to have all that extra room to do the pushrod o-rings! I'm sure I saved myself some time and skin doing it that way (it was my first). |
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Registered
Join Date: Oct 2000
Location: Sherwood, Oregon
Posts: 2,119
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Jim, hope I didn't get you "sucked" into another car ? LOL....
Does anyone have the part number for the rubber strain relief that Jim had come apart. Mine did the same thing .............. I have all the "Taco Plate" gaskets ordered. But I need the rubber deal too. TIA
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Cary 77 Carrera RS w/3.2 #59 73 914S 2.0 AG 73 914 1.7 Driver ( daily driver, under complete rustoration ) 74 914 2.0, 71 914 Tub, 74 914 2.0 Tub + 73 914 donor |
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914 Geek
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311.949.149 A
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Pelican Parts 914 Tech Support A few pics of my car: http://www.pelicanparts.com/gallery/Dave_Darling |
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