2000 GrandAm tranny slip? - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 06-25-2006, 08:05 PM
ChevelleSS_LS6's Avatar
Jeep XJ and a Javelin
 
Last wiki edit: Compression test
Last journal entry: August 9, part III
Last photo:
Join Date: Dec 2001
Location: Grand Rapids, Michigan
Age: 28
Posts: 1,610
Wiki Edits: 7

Thanks: 3
Thanked 0 Times in 0 Posts
2000 GrandAm tranny slip?

So my 2000 GrandAm SE 4door (affectionately named "GrandMa" for obvious reasons) has the 207ci v6 (3400) that's backed (sided?) by what I believe to be the 4t40-E four speed slushbox. The GTs got the heavier duty 4t45-E with a better gear if I'm right, but that's off subject.

The other day I'm pulling onto the highway onramp, and when it's at normal running temp I have a habit of "clearing it out" there, or flooring it, since it gives me a reason to have a little fun with the daily driver on occasion.

Well, towards the top of 2nd the engine "revs ahead" 500 rpm or so, it wasn't at the limiter (6200rpm if I'm right). I tried this going from 60 to 80 and the same thing happened. I assume it's from "high" load (I dont think aerodynamics had much to do with it but perhaps), and the engine running at WOT in it's powerband (4000-5500rpm I think) overwhelms the mechanisms in the tranny.

The fluid level is at the right level, and it is "dirty" (clutch dust?). I did a fluid/filter change last fall.

SO...
a) is it slippin or is more info needed for a diagnosis?
b) is there any "band-aids in a bottle" you guys recommend? My uncle swears by lucas products(his childhood was spent under the hoods of random GM products in the 60s and 70s). I'm just wondering if there's anything better.

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 07-11-2006, 06:39 PM
Registered User
 
Join Date: Jul 2006
Location: pearl river, la.
Posts: 19
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
re slippin tranny

The lucas oils and what have you, I believe they just thicken everthing up, which in return overtime just oil starves the valves. I guess you don't have anything to lose, but if that fixes your problem, it will be temporary. Maybe the torque convertor is getting bad. I would also change the fluid and filter just to make sure you get all the dirt out from last time. Hope this helps.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 07-13-2006, 07:23 AM
tnsmith10's Avatar
when will it rain???
 
Last photo:
Join Date: Jul 2003
Location: where its very dry and dusty
Age: 43
Posts: 1,297
Wiki Edits: 0

Thanks: 0
Thanked 2 Times in 2 Posts
Quote:
Originally Posted by ChevelleSS_LS6
So my 2000 GrandAm SE 4door (affectionately named "GrandMa" for obvious reasons) has the 207ci v6 (3400) that's backed (sided?) by what I believe to be the 4t40-E four speed slushbox. The GTs got the heavier duty 4t45-E with a better gear if I'm right, but that's off subject.

The other day I'm pulling onto the highway onramp, and when it's at normal running temp I have a habit of "clearing it out" there, or flooring it, since it gives me a reason to have a little fun with the daily driver on occasion.

Well, towards the top of 2nd the engine "revs ahead" 500 rpm or so, it wasn't at the limiter (6200rpm if I'm right). I tried this going from 60 to 80 and the same thing happened. I assume it's from "high" load (I dont think aerodynamics had much to do with it but perhaps), and the engine running at WOT in it's powerband (4000-5500rpm I think) overwhelms the mechanisms in the tranny.

The fluid level is at the right level, and it is "dirty" (clutch dust?). I did a fluid/filter change last fall.

SO...
a) is it slippin or is more info needed for a diagnosis?
b) is there any "band-aids in a bottle" you guys recommend? My uncle swears by lucas products(his childhood was spent under the hoods of random GM products in the 60s and 70s). I'm just wondering if there's anything better.
how did u check the fluid level on a 4t40e when it has no dipstick???
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 07-13-2006, 11:58 AM
Jmark's Avatar
Registered User
 
Last photo:
Join Date: Sep 2003
Location: phoenix
Age: 61
Posts: 4,815
Wiki Edits: 0

Thanks: 0
Thanked 3 Times in 3 Posts
No dipstick? How does that work? Inquiring minds want to know.
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 07-13-2006, 12:19 PM
sbchevfreak's Avatar
Licenced Automotive Technician
 
Last photo:
Join Date: Feb 2004
Location: Land of big Easter eggs, Alberta
Age: 34
Posts: 1,604
Wiki Edits: 0

Thanks: 8
Thanked 9 Times in 9 Posts
GM went through a short period when they thought their transmissions would never leak, fail, or need serviced . All they had was a small red screw in cap - with no means for accurately checking fluid level. I believe it lasted for the 2000 model year only, but I may be mistaken.
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 07-14-2006, 05:52 PM
tnsmith10's Avatar
when will it rain???
 
Last photo:
Join Date: Jul 2003
Location: where its very dry and dusty
Age: 43
Posts: 1,297
Wiki Edits: 0

Thanks: 0
Thanked 2 Times in 2 Posts
there is a plug in the case by the passenger side axle. car needs to be at operating temp, running, in park... pull the plug, if nothing comes out, its low on fluid, if u get a few drops/ dribble... good to go
p.s. it looks like a pressure tap plug, and as far as i can remember, theres not another remotely close to it... should be roughly at eye level with axle..
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 07-15-2006, 07:25 AM
Registered User
 
Last photo:
Join Date: Jul 2006
Location: BC
Posts: 37
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I have a 2000 Grand Am GT with a similiar problem. When I am driving around 80 kph (about 50 mph) the engine rpm surges 2 or 300 rpm. If I step on the gas to the get the revs up a bit (even by 5mph) the surging will stop.
I have taken it to the GM dealer who could not find any code errors. They cleaned the throttle body however that made no difference. I have had my tranny flushed, injectors flushed, fuel filter changed and I still have the problem. If you find out what it is then pass it along.
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 07-15-2006, 07:59 AM
spinn's Avatar
Bubbles is the girl next door
 

Last journal entry: This makes a huge difference
Last photo:
Join Date: Oct 2004
Location: Midnight
Posts: 2,498
Wiki Edits: 0

Thanks: 13
Thanked 82 Times in 80 Posts
that sounds like a converter problem
Reply With Quote Quick reply to this message
  #9 (permalink)  
Old 07-15-2006, 08:14 AM
Registered User
 
Last photo:
Join Date: Jul 2006
Location: BC
Posts: 37
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
They (GM mechanic) test drove the vehicle and got the car to duplicate the problem however no codes showed up. If it was a converter problem wouldn't a code show up?


Quote:
Originally Posted by spinn
that sounds like a converter problem
Reply With Quote Quick reply to this message
  #10 (permalink)  
Old 07-15-2006, 02:36 PM
scrot's Avatar
Registered User
 
Last photo:
Join Date: Apr 2006
Location: In front computer
Posts: 449
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Quote:
If it was a converter problem wouldn't a code show up?
================================================== ========
No. The lock up function could be slipping. This could be an electrical problem with the lock up solenoid. Just one possibility.
Reply With Quote Quick reply to this message
  #11 (permalink)  
Old 07-15-2006, 10:14 PM
Registered User
 
Last photo:
Join Date: Jul 2006
Location: BC
Posts: 37
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks.I will get them to check this the next time it is in for servicing. Will it do any harm driving it the way it is?
Reply With Quote Quick reply to this message
  #12 (permalink)  
Old 07-15-2006, 10:43 PM
ChevelleSS_LS6's Avatar
Jeep XJ and a Javelin
 
Last wiki edit: Compression test
Last journal entry: August 9, part III
Last photo:
Join Date: Dec 2001
Location: Grand Rapids, Michigan
Age: 28
Posts: 1,610
Wiki Edits: 7

Thanks: 3
Thanked 0 Times in 0 Posts
I drained a little fluid out of the little check-hole (its right above the pass. side axle) since my dad said "a little extra wont hurt" and it hasn't had that rpm surging at WOT at highway speeds since (read: passing slow people, and I like to hear the exhaust)

I did a pan drop (change a few quarts there, the rest is in the converter and all) plus a new trans filter, and it shifted smoother and I didn't really notice the "slip" but then again I was easier on it until I got the exhaust about 2 weeks before problem was noticed... it actually sounds pretty nice, a deep rumbly idle and all, but I'm not hijacking my own thread.
Reply With Quote Quick reply to this message

Recent Transmission - Rearend posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
2000 Buick tranny shifting weird? frankenvette Engine 6 06-13-2006 07:28 PM
2000 Buick tranny shifting weird? frankenvette Transmission - Rearend 1 06-13-2006 04:10 PM
2000 Buick Century tranny acting weird? frankenvette Transmission - Rearend 4 04-04-2005 05:40 AM
why does my tranny slip when i turn right? biscotrain Transmission - Rearend 6 07-30-2004 11:13 AM
68 Camaro 10 bolt & 2000 truck limited slip 68CaliCamaro Transmission - Rearend 6 12-22-2003 04:57 PM


All times are GMT -6. The time now is 11:02 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.