2nd only-is tranny blown?
2nd only-is tranny blown? While driving easy today tranny started acting up. At first it would not disengage at a stop and stall motor (like a standard if you didn't step on clutch) . At first I thought the converter lockup was not dis-engaging. I parked car , and when I started to drive it seemed like converter was slipping (have Midwest 3000/2.0 str) . 2 miles later car would hardly move except in 2nd with no shifting. Checked fluid- OK. This is an 02 Z-28 with 11,000 miles. Mods; D1-SC ,Transgo shift kit, Midwest verter. Did I kill my tranny ? Thanks
Launching!
Joined: Jun 2004
Posts: 269
Likes: 0
From: Mooresville, NC
Your transmission could be stuck in fourth and it still wouldn't stall at a stop. The only way you would have a stall condition is if the converter was locked up.
You said you have reverse. Does it feel like the foward gears?
You said you have reverse. Does it feel like the foward gears?
Hmmm... not acting exactly how others have acted with the same problem, but it is a weak spot in these trannies... you could have cracked the sun shell or at least ground off the teeth on it.
Hope it's not that. That requires pulling the tranny and disassembly.
Hope it's not that. That requires pulling the tranny and disassembly.
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The verdict is in the tranny puked. I am no expert but metal shavings in the pan tell the story. Took the tranny out this morning. It's hard to believe I watched the odometer turn 11,000 miles as I drove my crippled car home. Now it's time to spend money in RIGHT direction and get a tranny that can hold up. I want to stay A4 , any ideas on a built tranny that can take it ? Thanks for the input.
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Originally Posted by B.Buster
I want to stay A4 , any ideas on a built tranny that can take it ?
A 4-speed automatic that can be expected to hold up behind your motor is the 4L80-E. I don't have much information on the swap of an 80 into an F-Body, but it has been discussed here and done before. You will find that many people opt to install a manual reverse-pattern valve body so that it shifts manually. This is not necessary - the computer can shift it with the right programming and harness adapter. Unfortunately you will have to buy a new converter and fabricate a crossmember and install an aftermarket torque arm that bolts to the chassis instead of the tailshaft housing, or perhaps a custom modified tailshaft housing for the 80, so this is not a simple project by any means. The result of all the work WILL BE a 4-speed auto that you never have to think about. The added weight and narrower gear ratio range are trade-offs well worth the increase in powerhandling and shift precision. The close ratios make the 1-2 shift a lot better than the 60 can provide. I know of nobody unhappy with their 4L80-E swap.
Good Luck.
TECH Regular
Joined: Feb 2004
Posts: 439
Likes: 1
From: burbank ca
4l80
Originally Posted by B.Buster
Thanks James B, can a built 4l80e w/converter be had for $3000.00 ? Anyone ? Thanks again.