Changed timing belt now have vibration

[dwj119]

My friend who is a mechanic (not too familiar with dsm motors) changed my timing belt for me because the belt slipped and my car stalled. I lucked out, no valve damage ( I was at idle) Now I have some vibration (pretty bad) when I reach 3000 RPM. Can anybody please point me in the right direction as to where to start investigating the cause of the vibration? Thanks.

1990 Eagle Talon (non turbo) - Harrisburg area

 

[huafist]

Your rear balance shaft is out of phase. Line everything up to TDC, take the timing belt back off, and rotate the oil pump another 360*.

 

[dwj119]

Your rear balance shaft is out of phase. Line everything up to TDC, take the timing belt back off, and rotate the oil pump another 360*.

This is probably a stupid question but what does TDC mean? I will be relaying this message to an actual mechanic (aka no myself)

 

[remmargorp]

This is probably a stupid question but what does TDC mean?

Top Dead Center

 

[dwj119]

Your rear balance shaft is out of phase. Line everything up to TDC, take the timing belt back off, and rotate the oil pump another 360*.

Out of phase meaning it should be removed ?

 

[dwj119]

nevermind my dumba*s question I just re read the vfaq

NOTE: Crankshaft may need to be rotated up to six turns before all sprockets are properly aligned and the rear balance shaft is in phase, due to the oil pump-to balance shaft gear ratio.



Thanks for the help.

 

[dwj119]

One more question!!! Will I hurt the car by driving it like this for a couple days until I can get it to the mechanic to get it fixed?

 

[huafist]

One more question!!! Will I hurt the car by driving it like this for a couple days until I can get it to the mechanic to get it fixed?

I wouldn't drive it - all those vibrations could jar something loose or do worse. If I DID drive it, I'd keep it under the 3k mark, since that's where it starts vibrating badly.

 

[wret]

I wouldn't drive it - all those vibrations could jar something loose or do worse. If I DID drive it, I'd keep it under the 3k mark, since that's where it starts vibrating badly.

Most people agree that no real damage will result. I drove mine for over a year that way.

 

[NOSLO2PT0]

Your rear balance shaft is out of phase. Line everything up to TDC, take the timing belt back off, and rotate the oil pump another 360*.

I think you mean rotate it 180*. If you rotate something 360*, it's in the exact same position as when you started, which wouldn't make his problem go away.

 

[Defiant]

I think you mean rotate it 180*. If you rotate something 360*, it's in the exact same position as when you started, which wouldn't make his problem go away.

2:1 balance shaft to oil pump. The drive sprocket will go 360°. Mine was out-of-phase by the dealer.

 

[amp9211]

I had the exact same thing happen to me when I got my timing belt changed right before I went on a trip to Oklahoma. I had no choice but to go ahead and drive it the way it was, then take it back to them to get it fixed. I had no problems with it on the trip. I think that you should be fine until your friend can get it fixed.

Good luck!

 

[i1nk83]

there is a bolt in the back of the block. if you remove tis and can stick a screwdriver all the way in your in phase if not rotate until you can. simplest way to check it.

 

[Defiant]

there is a bolt in the back of the block. if you remove tis and can stick a screwdriver all the way in your in phase if not rotate until you can. simplest way to check it.

Gravity during install is the simplest way, but the rod-thru-the-hole might be the most positive.