Codes
Thread Starter
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Senior User
Joined: Mar 2003
Posts: 213
Likes: 1
From: PA
Codes
I pulled up the carpet in the rear bay and found this paper telling me all about my truck, but its all in codes and I want to ask you guys if you know anything. I found on the web site about the rear end codes saying my truck had the limited slip (H9) 3.55s
The Transmission has two codes (prefix E8TP) and (suffix GA)
What tranny do I have?
The Transmission has two codes (prefix E8TP) and (suffix GA)
What tranny do I have?
Junior User
Joined: Feb 2003
Posts: 71
Likes: 0
From: Hampton Roads, VA
Codes
I am looking for the same info on my '87 EB.
My trans code in the door is "T" and Axle says "19" type "U" I can't find any cross reference material.
If you find something would you please pass it on?
My trans code in the door is "T" and Axle says "19" type "U" I can't find any cross reference material.
If you find something would you please pass it on?
Thread Starter
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Senior User
Joined: Mar 2003
Posts: 213
Likes: 1
From: PA
Codes
I found the codes for the rear pumpkin on this site
You have the posi-3.55s while I have the limited slip 3.55s
Regular
13-4.11
14-3.00
16-3.50
18-3.08
19-3.55
Limited Slip
H3-4.11
H4-3.00
H5-4.10
H6-3.50
H8-3.08
H9-3.55
You have the posi-3.55s while I have the limited slip 3.55s
Regular
13-4.11
14-3.00
16-3.50
18-3.08
19-3.55
Limited Slip
H3-4.11
H4-3.00
H5-4.10
H6-3.50
H8-3.08
H9-3.55
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Codes
"Posi" is short for "positraction", which is the GM name for limited slip. 19 is an "open" differential with 3.55s.
moe
"T" is the AOD transmission; a non-electronic automatic overdrive.
moe
"T" is the AOD transmission; a non-electronic automatic overdrive.
Last edited by steve83; Mar 9, 2003 at 11:55 AM.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Codes
K is the C6; a mechanical non-OD automatic, widely considered to be among the strongest automatics ever built. It uses both vacuum and mechanical kickdowns. Early mech. kickdowns were pushrods - later ones (like yours, probably) are cables.
Learn to ID automatics by gasket.
Learn about differentials.
If you want a doc & a pdf that explain VINs and other codes, send me a real e-mail, but be prepared to recieve ~500K.
Learn to ID automatics by gasket.
Learn about differentials.
If you want a doc & a pdf that explain VINs and other codes, send me a real e-mail, but be prepared to recieve ~500K.
