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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 01-19-2015
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New Owner-General Questions

SO I have had this truck several months, and had no major problems with it. Done some maintenance, and have noticed a few things I want other opinions on.

1) Small oil leak. It leaks about an inch spot every time it runs. Run length doesn't matter, and it doesn't leak if its just parked. All told the leak is about a quart every 3-4 thousand miles. Lately the belts have squealed when being started for a couple seconds, but its been raining hard, so its probably that. Anyway to fix it/should I be worried?

2) Truck runs quiet until about 3000 rpm's, then if pushed hard jumps to 3500 and gets loud, strained sounding. Is this just the constraint of the motor?

3) Sometimes when accelerating there is a faint, high pitched, constant squeak. I can't find a pattern to it. It only happens when driving, so I don't have a location in the engine compartment. It happens for several seconds at a time, then is gone. Any ideas?

I have mostly driven newer vehicles, and enjoy this truck, but have a bit more to do with it so I am curious. Anything helps.
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Old 01-19-2015
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Its a 2001 3.0 automatic. 88000 miles
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Old 01-20-2015
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1) where is the oil spot?
center, drivers side, passenger side?
Sides would indicate valve covers
Center front or rear would be main seals but oil loss would be much higher
Valve cover gaskets leak on the low side toward the rear, that is where oil collects when driving.

1a) fan belt squeaks usually start and then continue because of Glazing on the pulleys, glazing comes from the first slips of the belt.
Check tensioner, should be hard to pull it back to release and remove belt.
Then with belt off the pulleys, use some Emory cloth or fine sand paper to scuff up the pulleys, pay attention to shiny spots that's glazing
Belt works by friction, like tires on the road do, glazing is like ice, slippery, lol.
Wet or dry belt shouldn't slip, unless an accessory bearing is starting to go out.

2) not sure on the noise could be air filter and intake noise.
Could be fan clutch is starting to go out, and fan is "bitting" more air at high RPMs

3) the Cam Syncro housing on the 3.0l engines is a known problem, and between 80k and 100k miles is recommended change period.
The bushings wear out and they can start to squeal, high pitch noise.
Never heard of one seizing up BUT......it does drive the oil pump, so if it were to fail completely oil pump would stop, engine damage would occur.

There are a few videos out there on how to replace it and this: Ford Ranger 3.0L Camshaft Position Sensor

Best thing to do is to get engine lined up at TDC FIRST, then remove and replace in the same spot

Last edited by RonD; 01-20-2015 at 12:13 AM.
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