FanToM

I own a 1988 Ford Ranger 4 banger 2L. I have a couple problems with it..

First I have aquired a engine knock..I changed the oil twice..used different weights of oil but it still knocks. This knocking is not good either..Loss of power while it knocks.

Second it backfires as loud as could be..it hurts my ears its so loud sometimes..

Third I have water(or other contams) in my oil, I can tell becuse the dipstick oil looks like choc. milk. My other oil problem oil sprays out the oil cap and dipstick at times.....It has a terrible oil leak as well.. leaks all over the left side of the engine..

All replys are MUCH appreicated...

JohnnyO

I'm not sure about the knock, hard to say without hearing it, but it does sound link you need a new head gasket.

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351w

as stated earlier we cant say for sure what the problem is but with all the problems you described i say you better start looking for a backup ride till you have the engine rebuilt.
oil in the antifreeze is either a cracked block or blown head or intake gasket all of which requires a disassemble.
if the compression of the engine pushed oil out the dipstick it is certainly a blown head gasket !

after the water mixed with the oil you probably spun a bearing which is causing the knocking sound and loss of power or atleast ruined a bearing or 2 from lack of lubricant.
antifreeze is funny that way it provides no protection from friction after it is mixed with oil.

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'92BigBronco

No way around it....it's time for a rebuild. A good way to tell if the knock is a rod or a main bearing is to disconnect one spark plug wire at a time while the engine is running. (Use pliers with an insulated handle so you don't get zapped!) If the knock stops after disconnecting a plug wire, you know it's a rod bearing. If it's a main, the knock won't go away.

It is possible to change a rod bearing without removing the engine but with all the problems you're having it's time to park it and either rebuild it or pick up a long block. They're available online for a reasonable price if you search around.

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1992 Ford Bronco
351W
E4OD- B&M Stage 2 shift kit
Full 3" stainless Bassani Exhaust
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