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TBSS Drivetrain
4L70E Transmission Help
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4L80E/4L85E
4.1K
1.2M
2 d ago
4.1K
1.2M
2 d ago
6L80E/6L90E
660
310K
1 mo ago
660
310K
1 mo ago
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Sticky
Common trans failure symptoms and causes
lt1z
Aug 15, 2010
3
4
5
89
80K
Jun 9, 2021
by
Johnkoda
Sticky
Converters Driving as Stock, true or false
PsRumors
Jan 23, 2009
3
4
5
98
32K
May 18, 2019
by
farbeyonddriven
Sticky
Tips For Tranny Survival...
Anointed Fighter
Aug 10, 2008
11
12
13
254
75K
Jan 14, 2019
by
DCast
Sticky
Here's How To Flush Your 4L70E Transmission.
NORCAL SS
Nov 4, 2007
2
3
4
78
52K
May 6, 2016
by
panel
Sticky
06/07 Transmission Removal Procedure
blazenstyle01
Sep 27, 2007
Locked
0
12K
Sep 27, 2007
by
blazenstyle01
D
trans removal procedure?? where is it??
Dookie
1 mo ago
6
439
15 d ago
by
sahls01gmc
Need pin out for transmission plug
Jakeschrum
1 mo ago
18
589
1 mo ago
by
Jakeschrum
4L70 pinout needed, tcm location
kinn
Sep 10, 2010
8
10K
1 mo ago
by
Jakeschrum
The Sonnax 2nd Gear and 4th Gear Super Hold Servo Kits just arrived
DJLowFreq
1 mo ago
2
527
1 mo ago
by
DJLowFreq
D
is high stall converter needed??
Dookie
2 mo ago
10
821
2 mo ago
by
GetSSum
J
2009 4L70E's are different than all other years!!!
JustASaab
Jul 31, 2014
12
5K
2 mo ago
by
FlomaxSS
4L70E 3rd gear nightmare.
GMbeTripN
2 mo ago
0
412
2 mo ago
by
GMbeTripN
Trans problems AGAIN!
mhenel
Jan 11, 2014
10
1K
3 mo ago
by
miketx
2003 Chevy Trailblazer LS transmission won't shift into drive
Mr.goode.1973
Jan 17, 2022
10
1K
3 mo ago
by
nhengineer
Transmission worked on freeway then stopped engaging out
jehlllive
4 mo ago
16
687
3 mo ago
by
miketx
Best 4L70E?
johnnyoffshore
4 mo ago
7
1K
4 mo ago
by
Mitch808
4L75E-R/4L75E-HT
FlomaxSS
7 mo ago
5
885
7 mo ago
by
Burnit53
Removal tips
mrallard11
8 mo ago
1
676
7 mo ago
by
Jaysboosted6.0
D
needing help with 4l70e parts rebuild list
Dookie
8 mo ago
8
885
8 mo ago
by
Dookie
M
4L60e rebuilt issue
Michaelorme
8 mo ago
0
434
8 mo ago
by
Michaelorme
M
06 vs 07 transmissions, interchange shows its not the same, but why?
MazDuh
Jul 5, 2014
12
6K
9 mo ago
by
Branndonw
Which trans and why?!?
sahls01gmc
Nov 18, 2021
10
2K
9 mo ago
by
FastTBSS
S
All gears grind!
SjChile
9 mo ago
5
578
9 mo ago
by
scott750
A
Cyl 2 missfire after new coil/injector
Aaronz28
12 mo ago
6
674
12 mo ago
by
Aaronz28
T
Is the dipstick for the transmission on the SS same as the regular Trailblazer?
Tblaze
Apr 20, 2022
3
1K
May 7, 2022
by
Tblaze
Stuck in reverse and won't start help!!!
grazo
Apr 27, 2013
11
11K
May 5, 2022
by
scott750
Transmission may have gone out. Advice/Suggestions Please? Thank you.
EPizzle
Mar 26, 2022
8
2K
Mar 31, 2022
by
Ryanh1323
Removing torque converter bolts
tilton
Feb 26, 2013
2
3
4
63
18K
Mar 11, 2022
by
PaulWall88
Gate Style Shifter with Reverse Lock-Out
Left Coast '32
Oct 24, 2009
3
4
5
92
34K
Jan 16, 2022
by
Nutty Professor
S
Transmission Issue?
stef_204
Dec 5, 2021
2
3
51
4K
Jan 8, 2022
by
JoeMontana
Trans Cooler Question?
johnnyoffshore
Nov 26, 2021
18
1K
Dec 4, 2021
by
Burnit53
Z
Trans wiring. What is this plug?
zero_2_sixty
Oct 1, 2015
5
3K
Dec 4, 2021
by
chevdog
Shifting issues!
deftonesdd
Nov 23, 2021
4
1K
Nov 24, 2021
by
deftonesdd
J
2WD 4L70 tailshaft bushing Part Number
JeRM82
Nov 22, 2021
0
477
Nov 22, 2021
by
JeRM82
Servo's...accumulators..etc etc for modded daily AWD
ThwopKing
Oct 23, 2021
9
1K
Nov 14, 2021
by
Civteck
Transmission Servo Upgrade:
johnnyoffshore
Nov 9, 2021
1
1K
Nov 13, 2021
by
FlomaxSS
Transmission cooler question?
johnnyoffshore
Nov 12, 2021
2
1K
Nov 12, 2021
by
FlomaxSS
Pinless Accumulator
deftonesdd
Nov 8, 2021
3
665
Nov 10, 2021
by
JoeMontana
Down Shift
Rodney R
Nov 4, 2021
4
782
Nov 7, 2021
by
JoeMontana
J
Low speed TC lock up conditions.
JeRM82
Oct 27, 2021
3
637
Oct 29, 2021
by
JoeMontana
1
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4L70E Transmission Help
Tranny Info and Upgrades including torque converters (stall)
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