Tranny problems:
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
There's no such thing as no compression in first gear. Compression is a piston variable and not related to the gear you're in.
Annnnyways, I'm guessing you mean it's not engaging gear properly? I.e. you put in in drive, try and drive away, the engine revs with it going nowhere? If so, does it eventually snap into gear and off you go?
Tranny fluid level? Last time a fluid change with filter was done?
Annnnyways, I'm guessing you mean it's not engaging gear properly? I.e. you put in in drive, try and drive away, the engine revs with it going nowhere? If so, does it eventually snap into gear and off you go?
Tranny fluid level? Last time a fluid change with filter was done?
Post Fiend
Joined: Feb 2003
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From: Eastern WA
I will assume what you are talking about is a lack of engine braking when you take your foot off the gas in 1st gear. This subject has come up in here more than once but I can't recall the fix. Valve body problem/sticking valve in there/leaking valve body to tranny case gasket (?). There may also be a TSB on this one. I seem to recall that the fix does not require a complete tranny rebuild either. I'd do a search in this forum; try threads over 6 months old.
Last edited by CowboyBilly9Mile; Aug 17, 2006 at 10:54 PM.
Post Fiend
Joined: Jul 2005
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From: Durant, OK (SOSU)
Ah yeah there is a topic about this, and Cowboy's right it's a home fix. I'll do some poking around and see if I can come up with it, I seem to remember it making a commotion back when (that's spelled wrong isn't it?). Tech thread perhaps?
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From: Greenvile, SC
TSB 03-22-10 (Half of it)
ISSUE:
Some vehicles built prior to 12/1/2001 may exhibit the following shift and engagement conditions:
ACTION:
Verify the condition, the main control valve body separator plate may need to be updated to the latest level. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
<TABLE border=0><TBODY><TR><TD></TD><TD width=100>CAUTION</TD><TD>A NEW SEPARATOR 7Z490 MUST BE USED WHEN INSTALLING THE SPECIAL SERVICE KIT 7M203 OR ADDITIONAL TRANSMISSION DAMAGE MAY OCCUR. REFER TO THE PARTS APPLICATION CHART IN THIS ARTICLE FOR CORRECT SEPARATOR PLATE PART LISTING. </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD width=80>NOTE:</TD><TD>THIS ARTICLE DOES NOT APPLY TO ANY OTHER CONDITIONS OR COMPONENTS THAT MAY CAUSE SIMILAR SYMPTOMS AND IS ONLY WRITTEN TO COVER THESE SPECIFIC CONDITIONS. </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD width=80>NOTE:</TD><TD>AN IN-LINE SERVICE FILTER IS NOT REQUIRED TO BE ADDED OR REPLACED FOR THIS TSB. </TD></TR></TBODY></TABLE>
Some vehicles built prior to 12/1/2001 may exhibit the following shift and engagement conditions:
- No 2nd Gear
- No 3rd Gear
- No Engine Braking In Manual 1st.
ACTION:
Verify the condition, the main control valve body separator plate may need to be updated to the latest level. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
<TABLE border=0><TBODY><TR><TD></TD><TD width=100>CAUTION</TD><TD>A NEW SEPARATOR 7Z490 MUST BE USED WHEN INSTALLING THE SPECIAL SERVICE KIT 7M203 OR ADDITIONAL TRANSMISSION DAMAGE MAY OCCUR. REFER TO THE PARTS APPLICATION CHART IN THIS ARTICLE FOR CORRECT SEPARATOR PLATE PART LISTING. </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD width=80>NOTE:</TD><TD>THIS ARTICLE DOES NOT APPLY TO ANY OTHER CONDITIONS OR COMPONENTS THAT MAY CAUSE SIMILAR SYMPTOMS AND IS ONLY WRITTEN TO COVER THESE SPECIFIC CONDITIONS. </TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD width=80>NOTE:</TD><TD>AN IN-LINE SERVICE FILTER IS NOT REQUIRED TO BE ADDED OR REPLACED FOR THIS TSB. </TD></TR></TBODY></TABLE>
- Verify that one or more of the following conditions exist.
- Low Line Pressure While In Drive At WOT
- No 2nd And/Or No 3rd Gear
- No Engine Braking In Manual 1st
- DTC P0732, P0733 Or P1762
- Install Kit (3L5Z-7M203-JA) to update the main control valve body assembly, refer to the installation procedures found in the kit.
- Reinstall the main control by continuing to follow the installation steps listed in the Workshop Manual, in-vehicle service, main control valve body.
- After completing the procedure, verify the condition has been corrected.
- Clear all DTCs.
Last edited by FTE Trigger; Aug 18, 2006 at 12:43 AM.
Hotshot
Joined: Dec 2003
Posts: 18,423
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From: iowa
Please note the no engine braking in manual first. in drive there will be no engine braking in first gear without majore VB modifications that you don't want to get into. so if tht is the issue it's normal but if it's no engine braking in manual first then the tsb will help.
