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Please feel free to contact me with any threads that would be useful to add! - Sherlock9c1

In an effort to reduce the number of stickies at the top of the drivetrain section, I'm putting all linkworthy threads into this post. Please PM me with any suggestions that should be added.

AUTOMATIC TRANSMISSIONS

TORQUE CONVERTER
FAQ: all you ever wanted to know about torque converters.
S10 converters (high stall variant, stock diameter)
Torque converter recommendations
input shaft checkball removal - the why and how
A cutaway of why some converters are cheaper than others.

TCC Lockup issue diagnosis

DRIVETRAIN CALCULATIONS

4L60E AUTOMATIC TRANSMISSION:


COMMON PROBLEMS / FAILURES
4L60E common failures
"limp mode"
"the glovebox guide to 4L60E problems while on the road." - and what to do about them.
transmission not shifting right but no MIL
goofy shifting? Have you checked the throttle position sensor?


SWAPPING IT OUT / INSTALL & REMOVAL TIPS
the new 93-97 4L60E swapguide
the old: 4L60E swapguide
Can I use my LT1 4L60E with an LS-based motor?
Which part number 4L60E is it? Here's an index.
What about my '96 converted to OBD1?
tips on how to remove your 4L60E
How can I support the transmission while I remove the crossmember?
Can I use a case with a 6-bolt tailhousing?

Torque Converter Clutch (TCC) Pulse-Width Modulated (PWM) apply valve issues.
P1870 fix / TCC mod for '95-96 4L60Es
Why you should think twice before just staking the valve wide open.

SHIFT KITS
shift kit versus programming?
B&M Shift improver?
Homemade shift kit - the resistor?
TransGo 4L60E-HD2C Install instructions

4L60E ADVANCED TECH
Great Discussion

DIY REBUILD
How to rebuild your 4L60E with tips and tricks.

MAKING IT LAST LONGER
Making the 4L60E more durable and long-lived.

FLUID
Can I use Dexron VI (6)?
Fluid recommendations

FLUID FLUSH
Should I flush my fluid when the trans has an unknown history or maybe has never been flushed?
How to flush the fluid or drain the pan in your Caprice/Impala/Roadmaster/Fleetwood
Good discussion on 4L60E operating temperature.

HOW TO
Add a drain plug to the pan.
Deal with the sensor in the cooler lines.
Get that pesky filter seal out.
I installed a high stall converter and now the PCM cuts transmission power when I floor it. "VSS dropoff"
Replace the 3-4 clutchpack yourself.
Replace the flexplate / flywheel

FIXING LEAKS
shift linkage

OTHER QUESTIONS
How much play should the tailshaft have?
How many quarts of fluid should I put in?
How much line pressure should I see when put a pressure gauge on the driver's side test port?

TRANSMISSION COOLER
pics of various installs

TRANSMISSION COOLER LINES
how to build your own.
part numbers from RMS auto parts (as of 4/29/2010)
another how-to with detailed instructions for AN lines.
On the trans: the Lower (Bottom) is Feed, Upper (Top) is Return.

4L60E OPERATION
electronics / clutches behavior chart


PARTS
1-2 accumulator large yellow spring unavailable - Sonnax replacement
OTHER AUTOMATIC TRANSMISSION SWAPS
TH350
TH400
4L70E - Can I use it? Is there an advantage?
4L80E

4L60 REBUILD (91-93 model years)
rebuild w/ pics, in Europe, no less.

Please note that all stickied threads are subject to editing for technical content, inappropriate posts, namecalling, etc.
 
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Discussion Starter · #4 · (Edited)

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Discussion Starter · #5 · (Edited)
DIFFERENTIALS:
Can the stock posi be rebuilt?
swapping stock posi tips
Differential carrier bearings
Rebuilding the Eaton posi

Can I use a posi from a Camaro/Firebird/TransAm? No.

What aftermarket posi choices do I have? What are people using?
Differential cross shaft lock bolt is GM P/N: 25872305. (Please note: if you damage the head while removing this bolt, DON'T REUSE IT. You'll be sorry! Also available through parts stores as Dorman 81048
The cross shaft itself is GM P/N 26056109.
Can I run a spool (solid center section, no differential)? Has anyone done it?

What do I do if the cross pin lock bolt strips or breaks?
 
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