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

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Knock Sensor Oil Leak

I happened to noticed fresh oil on the backside of my engine ( 98 Mazda 626 GF 2L ), right under the oil filter recently, right after starting up the vehicle after not driving it for a few weeks: ...
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1answer
19 views

very low speed in fact no pick up at all and lot of vibration of my ford fiesta diesel

I don't know how to maintain a Ford Fiesta diesel car's engine which has lot of noise with no pick up and power steering oil leakage. My car has lot of problems like pick up, speed, mileage, rattling ...
5
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1answer
69 views

Why is oil filling up in my air intake system?

The car that I am working on displayed below is a 2002 Chevrolet Cavalier 2.2 DOHC. I would like to admit that my knowledge of cars is little to none. I decided to start tinkering around with it ...
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4answers
388 views

Cylinder leak down test to detect oil leakage

My 2007 Tacoma loses about 3.5 qt of oil out of 5 every about 1500 mi. I know it's low because the engine starts periodically rattling, I don't know which part but it's 100% correlated to the low oil ...
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4answers
4k views

How could an oil drain plug fall out after 36 days and 2500 miles?

We had an oil change done at a quick lube type shop. After 36 days and 2500 miles driven, the oil drain plug fell out, resulting in severe engine damage. There was no oil leakage or any sign of ...
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2answers
47 views

Fixing a gasket oil/transmission fluid leak with epoxy glue - possible reaction with oil?

I'm in Sierra Leone where mechanics have an impressive flair for improvising with limited resources, but a lack of formal training and a cavalier attitude to long term safety. I've had a transmission ...
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2answers
44 views

Oil leaking into spark plug well despite new gaskets — is RTV a solution?

I replaced my valve cover gasket and the spark plug well sealer gaskets on my 2004 Mitsubishi Lancer recently because of an oil leak. The previous owner (or his mechanic) had over-tightened the bolts ...
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2answers
110 views

Why is oil on my throttle body hose?

I've been tracking down a number of low grade oil smells in the car lately (2004 Subaru WRX). So far, that has included replacing the left front axle (was losing all kinds of grease through the ...
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1answer
61 views

Oil leak: any idea of the likely source?

The oil leak is slow and builds up after time. Seems to get worse if driving over 70mph. Car is ford fiesta 1.4 tdci. The picture where i've highlighted red circle - the oil seems to build ...
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3answers
4k views

Can camshaft seal leaking hurt timing belt and cause sudden engine breakdown while driving? - Volvo XC90

Volvo service told me that the camshaft seal of my Volvo XC90 needs to be replaced for $1000. I see no oil on the timing belt, its dry. It just has some black dust. If there is real leak, can it ...
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3answers
118 views

Tazz 2e oil leak coming from

I have a Toyota Tazz 2e engine that has oil leaking what appears to be I thought was the rear main seal, but now notice form the top below intake and above water pipes above bell housing joining the ...
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1answer
46 views

Oil leakage or normal engine procedures

It was raining yesterday and I noticed the typical rainbow colouring of some of the water around my car. Couldn't tell there and then if it was a car body fluid leak or just the water going trough the ...
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3answers
12k views

What can cause an oil leak which spill everywhere in the car (Toyota) including the top inside of the hood?

My friend lent me her Toyota Corolla and as I put it in my driveway I saw oil drops. I later lifted the the hood and saw oil spilled inside the top of the hood and on the belt every where. It was ...
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5answers
123k views

Why would there be transmission fluid in the water overflow reservoir?

The car is a '98 Buick Lesabre with the 3800 engine and about 170k miles. It appears as though some oil was in the radiator, but I haven't seen any signs of coolant in the oil. The water pump recently ...
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3answers
335 views

Car stored for 6 months shows low oil level after 300 miles

Just bought a car from a BMW dealer and the guy told me it was sitting for almost 6 months before I came to purchase it. When I left the dealership the oil was above the min mark showing green. Drove ...
6
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1answer
7k views

How does low oil level cause misfires or VTEC malfunctions?

So a few days ago my 2003 Honda Civic EX started misfiring while accelerating, especially with the A/C turned on, making popping noises, and then yesterday got a P1259 "VTEC system malfunction code". ...
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8answers
2k views

Will having a radiator full of engine oil do damage to the motor?

I've got one question; I was looking over this car that I was going to buy and there was engine oil in the radiator. I asked the guys why it was in there and he said he didn't have enough coolant to ...
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2answers
1k views

Cadillac CTS 2007 3.6 oil consumption

3 months ago I bought Cadillac CTS 2007 3.6 with 31k miles, next day I went to local garage and changed the oil, filters, etc. I have driven 7k miles since and when driving last week car started ...
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4answers
39k 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 ...
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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 ...
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1answer
148 views

Engine oil reducing almost to half

I recently changed engine oil of my Apache rtr 160. I used otul 5100 15W50. Later I started experiencing vibrations, a lot of vibrations. I checked on the engine oil. The quantity is reduced to half. ...
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1answer
96 views

Engine temperature low when it's cold outside

My engine temperature is low when it's cold outside. I'll drive for 30 min, and the engine temperature will be at the quarter mark. If it's moderately cold outside, the temperature will eventually ...
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2answers
2k views

Engine oil leak from motorcycle

I'm having this peculiar problem. There is an engine oil leak from my 160 cc motorcycle. The thing is that, I got the engine oil changed couple of days back, by a nearby mechanic. Now the problem is ...
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1answer
162 views

What do you use to clean oil off of drive belt

a power steering hose leaked near my drive belt and it is squealing a bit. I have fixed the leaky hose and need to clean up the mess. What can I use to clean the drive belt?
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5answers
81 views

Burning a lot of oil. Need tips to reduce!

I have a 2002 Toyota Highlander V6 4wd with 165,000 miles. And right now I am burning a lot of oil. About 1 quart per 300-500 miles (under normal use). Going on long trips burns an excessive amount ...
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1answer
124 views

ISUZU CUBIC mixing oil in coolant

ISUZU CUBIC - CITIBUS ENGINE - 6hh1, 8300cc, 6 Cylinder, No Turbo I have this Isuzu with the above description. It is mixing oil and water coolant. I did not find water in the crankcase but found oil ...
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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 ...
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1answer
232 views

2003 Honda CRV oil leaks

2003 Honda CRV with 117,000 miles. At last oil change in April @ 116,000 miles at the dealer they noticed a fluid leak at timing cover inspection plate and resealed the plate. They also noted that I ...
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2answers
920 views

Oil Pressure Sensor Leak

I have a 99 Nissan Almera w/ GA16DE engine and there is a small oil leak from the oil pressure sensor and also from the oil pan gasket it seems. They both seem to be just a few drops here and there, ...
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0answers
82 views

Oil leaking, bad valve cover? [closed]

I noticed that my oil was empty 4 days after it was full. There is oil residue on the top of the engine and on the inside of the hood. I am wondering if this could be from a bad valve cover. It is a ...
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4answers
15k views

Oil leaks after oil change - shop says engine oil pan gasket needs to be replaced

I brought my 2000 Honda Civic to my local Castrol shop for an oil change. After leaving for work the next day my wife told me there was a three foot wide pool of oil where my car was. I moved my car ...
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2answers
4k views

How can you tell the difference between oil or transmission fluid in the antifreeze?

I am in the process of repairing my 1997 Toyota 4-runner with a v-6 engine. I have only had the vehicle for a couple of days. I was doing a routine maintenance check on all the fluids. What I found ...
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4answers
151 views

Removing oil stains from the driveway?

A few weeks ago, our car seems to have spilled some oil on our driveway. I regret that I didn't ask sooner but I hope it's not too late: --> What can I do to remove these stains? As for the car, I'm ...
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1answer
76 views

Had major overheat issue but engine was rebuilt 3 months ago

I had my engine completely rebuilt three months ago (new gaskets, timing belt, water pump, etc.) and yesterday the engine completely overheated (temperature was at the mid-line, then 10 minutes later ...
6
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3answers
382 views

Did the mechanic damage our car?

I purchased a 125k mile 2005 Toyota Camry in good condition and with a good service history about 5 months ago. It was due for its second oil change since we've owned it so my wife took it in to a ...
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1answer
257 views

Oil all over outside of engine

I have a 1988 yamaha route 66....I put some oil in, it has a slow leak by kickstand...I took it for a 5 mile ride last night. Afterwards I found it sitting in oil, and the outter engine /side was ...
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2answers
2k views

Oversize Engine Oil Drain Plug?

So... I stripped the bottom half of the threads due to trying to use a washer on a non-washer using drain plug. My aluminum oil pan (and plug) turns out to not be the standard oil pan for the vehicle ...
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2answers
12k views

Oil pan threads stripped?

EDIT Helpful links on how threads got stripped and by who: http://tl.acurazine.com/forums/showthread.php?t=878261 Seems to be a common problem with some shops, where they don't take good care. ...
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2answers
9k views

Oil leaking from spark plug socket

I have oil leaking from a spark plug socket on my 1981 Volkswagen Rabbit pickup truck. Before you ask, it's swapped with the 1.6 gas motor instead of the 1.6 diesel. The oil leak appears to only be ...
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2answers
2k views

Prius burns off oil very fast. Is this normal?

I replaced the oil on my mom's Prius today, which is 3200 miles or so since I replaced it last. The car only takes 3 quarts of oil, but only drained a little over 2 quarts. My jeep, on the other ...
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4answers
25k views

Can a oil leak cause a fire?

My mechanic has recommended that I fix an oil leak in my car. My car is old and really, I rarely drive it so I'm reluctant to spend any money on fixing it unless it's going to cost more later on or ...
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2answers
2k views

Dealership Installed “Oversized” Oil Drain Plug As Solution

In this question, we discuss stripped oil pan threads. I learned it is a result of user error - over tightening and cross threading, by the dealership I consistently go to. Many people have come ...
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1answer
1k views

My car doesn't leak oil but I have to tap it off every 500 miles

I am in a really weird situation. I have a BMW 325i(2002). I bought it second hand and I have been driving it for 5 years. Now, lately I have been having to tap my oil every 500 miles with 2 quarts. ...
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1answer
109 views

Huge oil leak but plug still there

Just had an issue with my 2008 4runner. The engine light came on, and so I pulled over and checked the oil level. It seemed to not have any, so I added a quart. I looked under the car and saw that ...
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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 ...
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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. ...
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2answers
194 views

Oil in coolant, Pontiac Grand Am 99

I have a 99 Pontiac Grand Am which has done 160,000 km. Recently, I found oil in my coolant. Will this damage my car? What could be the reason behind this?
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1answer
2k views

What causes mud in my radiator?

Ive changed my oil about one month ago but just recently my check oil light has started coming on and I started losing my heat. I thought I might just have low antifreeze but when I opened my radiator ...
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4answers
4k views

How to find and fix an oil leak on a Yamaha scooter

Some months after I had my scooter serviced I noticed oil splotches under my bike everytime I left if for a while in the one spot. The company that serviced the bike did numerous things wrong ...
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2answers
2k views

Massive oil drop in the course of a few days

A few days ago i posted a question about the dealer reporting some oil spillage/leakage but that it passed the mechanical test. I checked the oil level of the car from my 80 minute drive home and it ...