Okay, so my buddy calls me today and says his oil light came and when he was down the street from his work and decided to drive the extra block to the parking lot to shut it off. In the meantime while driveing to the lot he said around 3-4k RPMs it started making a winding sound. (explained the sound as a tranny with no fluid.)

So i went up there when he got off work to give him a ride, and we decided to crank it to see if the light came back on/to see if the sound came back. Once the car was at operating temperature we decided to drive it down the street to see if it came back. All was good, until we got back on the interstate. while his RPMs dropped back down his light came on and as the RPMs rose, shifting through gears the sound came back. We pulled over and had it towed.

Enough of that. A lil history of the Lancer.
2003 Evo 8 GSR
35,000 miles
injen intake
injen IC pipeing
Threadstone IC
HKS 280 cams
ARP Headstuds
BR ported ex. mani
Meagan O2
Ebay 3"
Evo 9 Turbo
Forge DV/BC
AEM crank pulley
Vega Tuned

We just changed the head gasket due to slight oil leak around the Head/Block due to the head studs being put in 1 at a time around 25k miles ago. This was done 4 days ago and car ran great until now. After the head gasket was done we ran the car for about 30 minutes sitting in the driveway then shut it off. The next day we changed all fluids and oil filter.

So we did some "Searching", and didnt find to much, called some people they said it could have spun a bearing/worn out bearings. As i read elseware the Oil pump does not provide pressure, it provides flow. That the pressure from the oil comes from the clearance of the motor.

My opinion,
A.) Could be bearings worn due to the crank pulley having a bad effect on the crank bearings.(look it up)
B.) Maybe some of the brillow pad/carbon buildup we cleaned off the block and ex. mani clogged the oil pump.
C.) Oil Pump in the process of taking a crap.
D.) I have no clue, which is why i typed all this.

Please dont bash, im not a mech, just stateing facts/stuff that i read.
Also there is no valvetrain noise. i.e.- ticking valves.

Thnx in advance!!!!


Edit : The knock sensor never went off.(3 counts is when it goes off)

 

could be as simple as oil pressure switch behind the intake manifold is faulty.

have a good shop check oil pressure.

bearings dont whine like you mentioned they tap bang rattle ETC....

Dont get worried just yet.

 

Yeah, like i said its not my car so im not to worried.(jk josh)
But we are going to get an oil pressure gauge tomorrow and check it out. But better be safe then sorry, esp when your having a kid in 1 1/2 months and cant afford another motor.

Thnx.

 

that sucks man! how many miles after the initial head stud change did u start noticing the oil consumption?

 

can u get a oil presure gauge ???

 

Yeah we are going to do that today. This was a last minute thing last night to get some opinions. Will update after oil pressure check.

 

OK, so a little update.

We replaced the Oil sending unit, which fixed the oil check light problem.

Then we completly redid the timing cuz it comes to find out that the timing was off by 1 tooth on the crank(advanced i think?). So after turning the motor over, at least 20 times to get the timing on and to test it befor we cranked it,...
All is good timing is on and we are rdy to crank. Cranked it up and long story short,... the SOUND at 3.5k+ rpm did not go away and now we cant get the lifters to quit tapping. And again the "whining" sound from the motor is still there.

We dont know whats going on. The whining sounds like its coming from the left side of the motor. And we have done so much research and called so many people and still have no clue what this could be.

As we are driving all is well,(other then the lifters tapping like crazy), until we get around 3.5k and the whining comings back. Again its coming from the motor, NOT the T case, tranny or anyother ideas people might have as far as it not being the motor.

ANY IDEAS?

thnx in advance and sorry so long.

 

I believe there is a bleed procedure involving a series of revving patterns.

Or you can take them out and bleed them manually.

Are you sure you did not bent any valves?

Whining noise from T belt area sounds like you guys over tightened the belt.

 

Im the owner of the car. I dont think we bent the valves bec there was no kinda knocking sounds even when the timing was of a tooth. When we set the timing we turn the motor atleast 20 times before we started it. Also we turn the car on with out the serpentine belt on it to make sure it wasnt the power steering and alternator. But it still had the sound. We also took the cam caps off for checking for scaring on the caps but they where perfect. but the sounds always starts above 3000 rpms and it gets louder progressively passed that. Im kinda beat. next thing im going to do is drain the oil to check for metal shaving but i dont think is the bottom end. Its not a knock its like a tc whine but from the motor.

 

I think you over tightened the timing belt.

is there any whine at idle??

Are you sure you guys timed the balance shaft correctly?? it could be 180 off??

 

Glad you got the oil light prob fixed.
My sender went bad a while ago(corrosion) which made me think pressure was low.

As for the noise, try to get a leak down to see if any of your valves are tweeked?? I hope not.

 

check the power steering pump

 

stop running it ......!!!!! I think you killed the oil pump. Pull the lower timing cover off and remover the pull from the oil pump and see if it is egg shapping that bore at all. Any whining noise is normally the oil pump after it has failed. With a noise already present my next step would be to remove the oil pan and look for signs of heat damage.

Seeing as how the last thing done to the car involved timing belt tension i would be nervous that this has caused damage to the oil pump. Improper tension will sort of pull the steel shaft into the aluminum housing. do you see any sighns of oil on the inside edge of the timing belt?

 

I havent seen any signs of oil. we clean it up and i dont see any oil. I drained the oil and there was no shavings at all. Im leaning to the tensioner actually ended up messing up. As for the question about if it whines at idle no it doesnt i can only hear it at about 3000rpms and there no vibration coming from the motor. I got somebody to rev the motor for me and i got under the car to hear where it was coming from and it sounds louder near the middle of the motor. somewhere close to the powert steering. It sounds pretty loud around the mid timing belt area. Before this happened we checked the timing and it was good but after the whine we checked and it skipped a tooth so it could be the tensioners. Also it cant be the power steering bec i ran motor with out the the serpentine belt.

 

I have a strong feeling it is your oil pump. My oil pump failed before and it was a loud whinning sound in the spot you described, at probly about the same rpm. It is a pita to replace but i would take the car to reputable shop and have them put a pump and belt on it. Like you said it has jumped time twice now, obviously something is not correct in a crucial area of the motor, and I would no longer trust that belt. Take it from someone who has learned the hard way. Get on here and search oil pump walked in housing. Im trying to warn you for your own benefit.


Put the car on sturdy jack stands and start it, put your head up near the oil filter but more towards the front of the car, see if the whine is in that region...... I would bet a large a chunk of change it is