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

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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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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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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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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
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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1answer
2k views

Why would oil be leaking from radiator?

Car is 98' Chrysler Concorde and oil has started flooding out of the radiator. Found a crack in the oil cooler hose and changed that but it still Will not hold the oil
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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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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
119 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
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 ...
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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 ...
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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
373 views

What causes grey engine corrosion?

I recently had my oil light come on in my 2004 Chevy Malibu. This resulted in a visit to a mechanic (after putting 3 QTS of oil in it) to see if there might be something more serious than a leak ...
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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 ...
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1answer
18 views

Oil Leaking in Back of Engine: Fresh oil under the oil filter cooler

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