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Posted

ok first off i have a 90 lumina euro 3.1 coupe and when i manual put the auto trans into first gear it whins like a s/c under the hood is this a normal thing or is somthing going wrong it doesnt do it when im in first gear when its in drive thanks

Posted

My old 92 made the same whine and it was a STRONG tranny. Dont worry about it. Why are you putting it manually into 1 anyway?

Posted
Why are you putting it manually into 1 anyway?

I was wondering the the same thing!

 

Mine also whines when the shifter is in 1st.

Posted

Through about 40 runs down the track with my 1988 GP (4T60) I found no advantage of driving in 1st. Put it in 2nd and hold it there till the power runs out..

Posted

I put my Lumina in 1st and powerlocked it at the track. The 4T60E shifts into second anyways, but I noticed it shifts about 200-300 rpms higher then normal.

 

However, my 4T60E doesn't whine in first.

Posted

well snow + stuck= droping into first then reverse ect. michigan winters suck calling 1-6 inches of snow tonight and its been raining all day so fun ride to work for me its getting icy out right now :bash:

Posted

Although mine does not whine, when you go into manual 1st ,the fluid pressure is increased from 90 psi to about 170 psi. I would think, ideally, you should not hear a thing.

Posted

when the trans is put into first it activates additional clutches. I had a 1990 Lumina and it was slipping in first , but when you would put it in manual first it locks more clutches (per trans guy at work) that sound is the pump (sc sound) my 1990 never did that.

Posted

Well i guess it wont hurt anything sounds kinda cool though just rolling around the block at 10 and sounding like s/c under the hood i get weird looks from the ricer guys around here like wow does that lumi have a s/c :lol: :twisted:

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