Three stooges t-belt sound

[toybreaker]

Customers car.

Replaced cas sender fired it up...

It went WOOOOWoooowoooo and died.

Pulled t-belt cover, oil everywhere, you know the usual...belt marks and tension pass muster...

Wouldn't restart, no spark, no fuel pump, no check engine lite.

Inspected ecu, caps toasted, with some collateral damages...

Customer suddenly remembers funky smells/previous running problems

Install used ecu...fire it up...and there's curly again

WOOOOWoooowooowooowooowooowooo it's funnier than you can possibily imagine

However, I have to take this pile to the emission inspection, where they will run it on the dyno...and I'm apprehensive about what curly might be and if he'll eye poke/jab/whack me about the head and shoulders with bent/broken valves when the t-belt breaks.

Is this a balance shaft bearing going out.?

After the motor warms up, it calms down some but you can still hear a harmonic sound from the t-belt area.

In 20 years plus working on cars, I've never heard anything like it....most definately unlike a traditional bearing noise...it sounds just like curly after an eyepoke...

Seriously.

Anybody have a balance shaft bearing fail? Does it sound anything like a that?

Thanks in advance, and yes, I'm serious.

 

[luv2rallye]

Did you check the hatmonic balancer for separation? They can make some pretty strange noises when they are going.

 

[toybreaker]

Thanks for your response!


I was worried nobody would take me seriously.

I_am_not_kidding.

This is a delicate position to be in. Car belongs to the son of one of my bosses best friends.

Noise is definately from inside the t-belt cover. Seems to be coming from the rear balance shaft/oil pump area.

I thought harmonic dampner/ something accessory related as well, so I pulled all the accessory drive belts and the noise was still there.

I know I'm going to get "volunteered" to do the t-belt.

I also know that this car is going to follow me around forever, and anything/everything that goes wrong will, of course, be my fault...This car is a mess...

The only logical thing I can think of is a bent balance shaft/or the rear balance shaft bearing.

I've always wondered if anybody has ever left anything in the rear balance shaft phase checking access hole, and turned the motor over...and what would happen...this noise may be the answer...

I'm going to bring in a stethescope, and see if I can pinpoint/narrow it down some today...

Has anybody with a balance shaft problem heard this kind of noise???