Go Back   Blazer Forum - Chevy Blazer Forums > Mechanical & Maintenance > Engine & Transmission
Sign in using an external account
Register Forgot Password?
Search


Welcome to Blazer Forum!
Welcome to Blazer Forum,

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to start new topics, reply to conversations, privately message other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join Blazer Forum today!


Reply
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 03-27-2013, 10:31 PM
New Member
 
Join Date: Mar 2013
Location: Norway
Posts: 5
AHellem is on a distinguished road
Default 94' s-10 blazer transmission problem

I've got a 94' s-10 blazer with some tranny problems.

when i've been driving it hard for a while and the tranny gets hot, it starts slipping and the speedometer goes wild... its struggeling with deciding witch gear to put itself in and sometimes goes into protection mode..

as soon as the tranny gets cooled down again after giving it a little break, it starts gearing normally again...

any advices or tips?

sorry for my english,,, im from norway
Reply With Quote
  #2  
Old 03-27-2013, 10:56 PM
chris015's Avatar
BF Veteran
1993 Chevrolet S10 Blazer
 
Join Date: Apr 2009
Location: South Carolina
Posts: 3,640
chris015 has a spectacular aura aboutchris015 has a spectacular aura aboutchris015 has a spectacular aura about
YOUMADBRAHLOL
Default

well,shift points etc has sometime to do to with the speedometer. id try replacing it first. if its still no fix,test/replace the throttle position sensor. If trans is bad,sadly ONLY a 93 and 94 year trans will work. Dont buy anything but those 2 years if u have to replace trans. 92 is when 700r4 type existed,and 95 is a 1 year on its on. 96+ is a different computer type.
__________________
Like a boss.
Reply With Quote
  #3  
Old 03-28-2013, 08:07 AM
1sttimejimmyowner's Avatar
Super Member
1996 Chevrolet Blazer
 
Join Date: Apr 2012
Location: Port huron,Mi
Posts: 1,219
1sttimejimmyowner is on a distinguished road
Default

Sounds like what my truck trans did on me for a while its the same year .I cha ged the fluid and filter and flushed it.Put in fresh fluid annd bottle of lucus.Walla still going this was 3 years ago.So try that.
__________________
While driving remember this rule of thumb,If another driver switches lanes infront of you cutting you off causing you to slam on the brakes to avoid a collision that they almost caused its your fault and you should be happy that they flip you the bird when you lay on the horn.
Reply With Quote
  #4  
Old 03-28-2013, 10:30 AM
New Member
 
Join Date: Mar 2013
Location: Norway
Posts: 5
AHellem is on a distinguished road
Default

chris015;
Ive got the digital speedometer and have newly replaced it to a rebuilt one,, had the same problems with my old speedo so dont think thats the problem. Ive thought about replacing the speedsensor on the gearbox, but its so expencive!

where is the throttle position sensor located?

1sttimejimmyowner; ive newly changed the oil, but not flushed the system tho,, do you mear flushing the cooling system, or just pouring oil into the trans-fill hole while the trans-pan is open and kinda flush the system with new oil that way?

Thanks to you both for reply!
Reply With Quote
  #5  
Old 03-29-2013, 02:15 AM
Senior Member
 
Join Date: Jun 2010
Location: Graham, WA
Posts: 764
Toby Hanson will become famous soon enough
Toby Hanson polkaking
Default

The throttle position sensor is on the throttle body on top of the engine.

I would like to second 1sttimejimmyowner's suggestion to get the transmission flushed. You can do it yourself if you know what you're doing but I would recommend that you take it to a shop where they can properly pump all of the old fluid out of the transmission and pump new fluid in.

You may also check the vehicle speed sensor. I believe that's another part of the system for determining how the transmission shifts.
Reply With Quote
  #6  
Old 03-29-2013, 09:31 AM
AndrewO1991's Avatar
Senior Member
1996 GMC Jimmy
My Garage
 
Join Date: Jan 2011
Location: Auburn, Ga
Posts: 547
AndrewO1991 is on a distinguished road
Default

change the speed sensor, the speedo runs off it and so goes the trans. If it goes the speedo and the trans will go WTF!?!?!? and trans will go into limp mode (2nd gear). The TPS tells the trans to downshift when you give it throttle, if this fails it will just shift early and not kickdown (it will downshift normally). TPS is not your problem.
__________________
96 Jimmy 2wd - Its back! v8 swap in pregress
94 Jimmy 4x4 - Daily Driver
70 C10 - Sold
98 Blazer 4x4 - Sold
78 Suburban - Sold
99 Bravada - Sold
95 K1500 4.3 5 speed - Sold
85 Toyota Celica - Sold
88 F150 - Sold
96 S10 ZR2 - sold
I'm just goning to stop listing more things as they just keep adding up
Reply With Quote
  #7  
Old 03-29-2013, 11:23 AM
New Member
 
Join Date: Mar 2013
Location: Norway
Posts: 5
AHellem is on a distinguished road
Default

but is it normal that the speedsensor fails when the tranny gets hot?
Reply With Quote
  #8  
Old 12-15-2013, 04:18 PM
New Member
 
Join Date: Mar 2013
Location: Norway
Posts: 5
AHellem is on a distinguished road
Default

bumpbump
Reply With Quote
Old 12-15-2013, 04:18 PM
 
 
 
Reply

Tags
1994, 2013, 94, bad, blazer, forum, jimmy, s10, s15, sad, selling, sensor, slipping, speed, tranny


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not 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
94' Blazer Tahoe LT project ideas? Alex~350 Builds 3 08-23-2012 07:33 PM
94' S10 Blazer bad starter wire??? how do i fix UGKEastPimp 1st Gen S-series (1983-1994) Tech 5 07-05-2010 01:20 AM
94' s10/Blazer 4.3 fuel pump removal - insallation process.. Duane867 1st Gen S-series (1983-1994) Tech 5 06-30-2009 04:17 AM
94' s10 Blazer Rear Defroster Question ClueMeIn1989 1st Gen S-series (1983-1994) Tech 1 05-26-2009 09:09 AM
oil change 94' Blazer - Tips Pls! cimbali General Tech Help 10 05-28-2006 09:59 PM

Advertising

Featured Sponsors
Vendor Directory
Our Sponsors

All times are GMT -5. The time now is 08:29 PM.

Internet Brands, Inc.