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Thread: wtf??....dirty oil!!!
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thuginnela
1st Gear
Posts: 22
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posted September 02, 2007 02:19 PM |
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wtf??....dirty oil!!!
ok guys a little help here,took my son out for a ride today.when we got to my dads house he was checking out my truck and decided to pull the dipstickout.omg what looked like mayonaise all over it pulled the oilcap off,same thing all down the neck. am i doomed? even tho the truck runs fine,ive got good oil pressure, the motors been sitting a few years but has less than 200m on a fresh rebuild any advice???
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Jeff20B
Moderator
Posts: 661
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posted September 02, 2007 05:34 PM |
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Check the PCV valve.
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'74 REPU
'76 Cosmo
'77 MG Midget 13B
'81 RX-7
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thuginnela
1st Gear
Posts: 22
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posted September 02, 2007 08:27 PM |
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pcv valve
ty jeff,my trucks been sitting in my garage for about ten years now.i just got it running about 2 months ago. its got an awesome red paint job and about 63k orig mi on it.its been a long time since ive worked on any car let alone a rotary,so without sounding like too much of a rube, where is it? (pcv) and what am i looking for?? thx bro...
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tom93r1
Redlining
Posts: 458
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posted September 03, 2007 03:02 AM |
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PCV will be in-line with with a nipple off the oil fill tube. Its a one-way valve that will be routed over toward the intake somewhere.
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'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!
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thuginnela
1st Gear
Posts: 22
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posted September 03, 2007 10:19 AM |
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no pcv
thx tom,i dont see a pcv valve there just a 4-6 inch piece of hose going back into the housing.will any auto parts have it (pcv),and do you think i should drain and replace the oil?
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Klaus44
Redlining
Posts: 365
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posted September 03, 2007 12:14 PM |
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Definitely!
Clean up/out everything, and do an oil & filter change -- cheap insurance, that. (Remember that your oil cooler holds a significant amount of used oil, too... so for a 'full' change, you'd want to drain it, as well as adding more for the fill.)
I'd check the cooling system for hydrocarbon contamination, as well as pressure-testing it -- that would be the best way to rule out any possible problem.
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Jeff20B
Moderator
Posts: 661
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posted September 16, 2007 10:09 AM |
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I would never bother detaching the oil cooler during an oil change. I would also never bother tearing down an engine just to drain the oil that always sits in the rotors.
Do an oil change. It will dilute whatever is still in there. You'll be fine.
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Klaus44
Redlining
Posts: 365
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posted September 16, 2007 10:21 AM |
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I wouldn't *detach* the cooler, either...
...but there is a plug in one end that can be used to drain it -- and it is where the most metal/particulate contaminates tend to settle, besides the filter and the pan... (Just my $0.02).
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Jeff20B
Moderator
Posts: 661
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posted September 17, 2007 11:13 AM |
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Have you ever taken one off before? The one on my white REPU tends to drip but I'm affraid if I mess with it it'll leak more.
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Klaus44
Redlining
Posts: 365
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posted September 17, 2007 12:11 PM |
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I once took one of my rx-4 wagons...
...to a seasoned Rotary Specialist, who drained the cooler that way, and swore by it. I confess, I've since also had the same qualms as to it's integrity on my REPU's... so, it's anyone's guess what's 'best' -- but, I do think it's a good call to evacuate the contents of the cooler as well, if possible. Perhaps a fitting could be installed that would take care of any issues, and allow for quick, easy draining...?
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RX8Guy
Revvin Up
Posts: 65
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posted September 24, 2007 12:06 PM |
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mayo
Also If your thermostat is stuck open, or just too cold of a thermostat, and not letting the motor run up at correct temp., it wont evaporate the natural condensation in the engine. And you end up with mayo.
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If it aint broke, dont fix it!
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Jeff20B
Moderator
Posts: 661
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posted September 25, 2007 09:09 AM |
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I call it cappucino, you know because it's under the oil filler cap. :)
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thuginnela
1st Gear
Posts: 22
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posted September 25, 2007 05:44 PM |
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Hold the mayo
I enden up running a hose from the base plate on my dellorto to the two vents near and on the filler neck....voila....no more mayo!!!
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repumax
Redlining
Posts: 427
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posted September 25, 2007 07:41 PM |
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Glad you fixed it. Your truck sounded sweet when you left 7stock. I like the little chrome tip.
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1974 Mazda Repu
1986 Yamaha RZ 500
1988 Yamaha YSR 50
1991 Suzuki RGV 250
1992 Yamaha TZR 250 SP
1996 Aprilia RS 250
2003 Ford F-450 6.0 Diesel
2004 Mazda RX8
2006 Yamaha Banshee
2014 18' Eclipse Toy Hauler
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