Question about 1991 Toyota Pickup

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My 1991 pickup uses lots of oil. Blowing out the exhaust.

My pickup has 341,000 miles on it. 2wd, 5 speed. Yesterday I noticed a black oily splatter on the drive. It came out of the tailpipe. What could be causing this? This truck has used lots of oil for many years - I could never figure out where it was going. No black smoke out of exhaust. Runs fine.

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You may notice when fired up blue smoke that fades when warm, oilrings worn..

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SOURCE: 1993 TOYOTA TERCEL 1500cc Valve Seals Replaced now smokes much worse

You either have had the wrong valve seals installed, they are physically missing, or the valves are incorrect (too loose in the guides/stem too thin). The rocker arm seals will not contribute to your issue. If it did not have the oil smoke before you took the head off, the issue is with whatever the machine shop did. Valve seals have to fit TIGHT, or oil will go down the valve stem into the intake.
Take the head back to the machine shop & tell them to fix it. For free.

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Ford Freestyle - 2006 - Limited. After a 130 mile highway speeds 70 to 85 MPH the vehicle emitted OIL fumes enough to fog the back of the vehicle with a thin film of carbon black and oil file.

It could be a number of things.
Bad head gasket.
Worn rings.
Valve seals or guides or both.
Do a compression check of the cylinders that should help pinpoint the problem.
Hope this helps.

May 03, 2015 | 2006 Ford Freestyle Limited

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What causes the black oily stuff on brand new expensive spark plugs

Usually a bad ring or seal inside your engine allowing oil to get into the combustion chamber where the tip of the spark plug is located. Do you notice any smoke coming from the exhaust pipe ?? Do you seem to be adding oil more often ?? If so, the black oily stuff is "engine oil".

May 01, 2014 | 1997 Volkswagen Golf

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My 2004 sunfire is burning oil and blowing black smoke from the exhaust what could this be and is there an easy fix?

With that many miles the rings and valve guides could be failing.
Could also be a venting problem with the crankcase. ( PCV )

Jul 04, 2012 | 2004 Pontiac Sunfire

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I am going to change my oil on my 1992 toyota pickup 2wd and am currious if I should use synthetic or regular? I bought mobil 1 5w30 at the auto store but now am not so sure if I should use it. There seems...

if your vehicle has high mileage you could use synthetic, but 5= 30 is fine for your pick-up, as long as you change it every 3000 miles as recommended

Jun 01, 2011 | 1992 Toyota Pickup

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How do you remove the starter from a 1991 nissan pic up with 2.9 cc engine

I did not find the instructions for a 2.9 L engine per se, but the following should be good for many American models of the 1991 Nissan d21 Pickup truck: REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable at the battery, then disconnect the positive battery cable at the starter. Fig. 1: Starter removal on 4WD - 6-cylinder engine 86713015.gif
    Fig. 2: Starter removal on 2WD - 6-cylinder engine 86713016.gif

  2. On 4wd models with the 6-cylinder engine:
    1. Remove the front gravel shield.
    2. Detach the oil pressure switch connector.
    3. Drain the engine oil and remove the oil filter. CAUTION
      The EPA warns that prolonged contact with used engine oil may cause a number of skin disorders, including cancer! You should make every effort to minimize your exposure to used engine oil. Protective gloves should be worn when changing the oil. Wash your hands and any other exposed skin areas as soon as possible after exposure to used engine oil. Soap and water, or waterless hand cleaner should be used.
    4. Remove the exhaust manifold heat insulator.
    5. Remove the fuel tube retainer bolt.
  3. On 2wd models with the 6-cylinder engine:
    1. Remove the front right wheel.
    2. Remove the front gravel shield.
    3. Remove the exhaust manifold heat insulator.
    4. Remove the exhaust manifold.
    5. Detach the oil pressure switch connector.
  4. Unfasten the remaining electrical connections at the starter solenoid.
  5. Remove the two nuts holding the starter to the bell housing, then pull the starter toward the front of the vehicle and out. To install:
  6. Insert the starter into the bell housing, being sure that the starter drive is not jammed against the flywheel.
  7. Tighten the attaching nuts and secure all electrical connections to the starter assembly.
  8. Install all remaining components in reverse order of removal.
  9. Reconnect the battery cables. If applicable, refill and check the oil level. Check the starter assembly for proper operation.
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Oct 07, 2010 | 1991 Nissan Pickup

1 Answer

My Buick Regal used 2 quarts of oil in 3,000 miles. When I was adding oil I noticed that my coolant reservoir (which had been bright green at my last oil change) was now brown and oily looking. I have...

You seem to have a bad head gasket. Check the exhaust,while running,to see if white smoke is
pouring out.Get it checked out ASAP,since you don't
want to severely damage the engine any further.
Good luck.

Apr 01, 2010 | 1995 Buick Regal

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Why would my 2004 freestar allof a sudden start burning oil ? It is not leaking, but I had oil changed 4 weeks ago and oil light came on yesterday and i was empty. This happened the previous month also....

Start by pulling the spark plugs and inspect them for evidence of oil burning. They will be particularly black and some may even be oily. Finding several oily plugs is better than finding one. Also stop to run your finger in the end of the tail pipe, black sooty is normal, black oily is not.

If you have several plugs that are oily, you may have a valve seal oil leak issue. This is can be an expensive repair depending on how it is done. Most shops will remove the heads and work them on a bench. These can be done on the vehicle with the right procedures.

If you have only one that is oily you may have a broken oil ring in one cylinder. This will require complete disassembly of the motor to verify the broken ring. At this point you are basically rebuilding the motor.

Jan 20, 2010 | 2004 Ford Freestar

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2004 dodge ram 1500 4.7 magnum 2wd 5 speed manual axle leak.

this fluid is likely to be diff oil its the axle oil seal needing replacment and you could do this job yourself take off the prop shaft and the drive flounge to reach the seal fit a new one but oil it and put the drive floung back on dont over do the nut,,,as for the u joints,,, grad hold of the joints with both hands and twist them together if the dont move or twist there ok,,,,a 4.7ltr engine is thursty but at 86k its just about run in with 1000s, of miles to go yet if its broping on mpg try giving it a realy good service and dont drive it so hard????

Jan 19, 2010 | 2004 Dodge Ram 1500

1 Answer

Blowing smoke whilst driving

I would advise you visit a turbo specialist, as they may be cheaper fitting an exchanged reconditioned unit.
Turbos usually fail because they operate at very high speed and heat. They tend to use the same engine oil as the main engine, and while it is suitable for engine conditions, it may not provide the right lubrication for the bearings. This is why they wear their bearings and loose oil into the air inlet - producing lots of smoke.
This is like a designed-in failpoint.
The only way to avoid it is to fit an inline oil filter to the turbo, and change it often, along with more frequent oil changes.
Use the biggest standard oil filter that will fit your engine too.

Aug 06, 2009 | BMW 525 Cars & Trucks

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