Questions about identifying, locating and repairing oil leaks from an engine, gearbox or differential

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5
votes
2answers
1k views

How severe is a bad oil seal on a used car?

Okay, go easy on me. I'm a bit of a vehicle lightweight. I can do basic maintenance, but in terms of "how bad is this," I'm usually lost. My boyfriend bought a 2010 VW CC a few days ago. Two days ...
1
vote
1answer
234 views

How well should a slip yoke be polished to give a proper seal?

Gear oil started leaking out of the rear output seal on my '01 Outback started -- onto the exhaust of course, as every fluid in a Subaru seems to do. It's not a lot, but smells terrible. Along with ...
3
votes
1answer
362 views

Pontiac Aztek 2004 Oil Leak

There is some leaking underneath the engine. My guess is that it's an engine oil leak. Do you think I'm correct? From your experience, what is a good place to start looking for the leak? Thank you!
4
votes
3answers
4k views

Ford Taurus common oil leak area?

On my last oil change, the technician noted some oil around top and side of the engine block and said there is a small leak. The only way to find where it is coming from is doing the whole dye test, ...
4
votes
2answers
2k views

Blue smoke on engine start

I got my 2002 Camry when it had 86K and now it has 97K on it. In the morning when I start the engine, I see blue-ish smoke coming out of the exhaust for a while. I don't know if I had it before, but ...
10
votes
4answers
40k views

Oil burning smell and slow oil leak

I am wondering what types of issues I am most likely looking at with this; My 2003 Ford Escape (V6) has an increasingly pronounced burnt oil smell that has developed slowly over a year or so, coupled ...
3
votes
3answers
2k views

Normal oil and fuel consumption for MkIV Golf 1.4l?

Vehicle: 2002 VW Golf (German) Engine: 1.4 liter, gasoline 75 hp Odometer: 60k miles / 100k km Fuel consumption: 29-33 MPG / 7-8 liters/100km Oil used: 5W30 ...
3
votes
2answers
745 views

Advice needed - My car has burn mark on hood and seems to be leaking oil

I have a 4 year old, well loved Honda civic with only about 25K. It has been serviced nearly every 6 months. I just took it for a service a few weeks ago and today I noticed that it seemed to be ...
3
votes
1answer
787 views

Volvo s40 Oil Pressure light

My fiance was driving our S40 to work this morning and saw a bit of smoke rolling from under the hood, she decided to let the smoke dissipate then limp the car home. On the return trip the car kicked ...
5
votes
2answers
5k views

oil leaks when driving, not while parked

My wife has a 2004 Mazda 6, 2.3 liter 4 cylinder. When the car is parked, oil doesn't pool underneath. After driving for about an hour, we need to add about 1-3 quarts. With this issue, where could ...
5
votes
1answer
5k views

Oil leak - just keep refilling?

I have a 1995 Honda Accord with over 170k miles on it. I have the oil changed regularly every 3000 miles. My mechanic noticed the oil levels were pretty low at each oil change and took a deeper look. ...
2
votes
4answers
737 views

Oil on driveway: Will a Belly pan be helpful?

My car slowly drips oil from the drain plug and between the tranny and engine, at least, according to the mechanic. An unnecessary 1600$ repair. Do you think a belly pan would be helpful to at least ...
8
votes
1answer
1k views

What do i need to know when replacing a valve cover gasket

I have an oil leak from a cracked valve cover gasket that i want to replace myself. I bought the gasket nearly 6 months ago and i am apprehensive at doing it myself without sort of feed back as to ...
5
votes
2answers
554 views

What does this device on a 1985 Mercury Lynx/Ford Export Diesel do?

I have a 1985 Mercury Lynx (Ford Escort) Diesel 4 cylinder. The device shown in the pictures -- below the starter -- has a hose connecting it to the radiator. There is another hose that is ...
5
votes
2answers
6k views

Oil leak when parked on steep incline

The other day I parked my car, and came back a couple of hours later to see a massive oil puddle under my 1994 Corolla. This was the only time I had ever noticed that much of a leak, and I realized it ...
24
votes
2answers
8k views

Do I have an oil leak if I have to add oil?

I don't change the oil all that often (maybe every 8000 miles) and on my 10 year old car the oil light comes on and I need to add a quart or two (and then I start thinking I practically changed the ...
5
votes
2answers
976 views

What is the durability of a plastic valve cover?

After a change of the valve cover gasket didn't fix a rather persistent leak (than managed to cover my entire engine in oil) I took my car to a mechanic. They called up saying that they have ...
3
votes
1answer
4k views

Starting a car that has been sitting for about a year [duplicate]

Possible Duplicate: Reviving a vehicle that has been idle for a long time. My 1998 Trans Am has about 80,000 miles on it and has been sitting for about a year without being started in my ...