Transmission hestation going to first and hard shift to 2nd
#1
11-29-2018, 06:46 PM
Transmission hestation going to first and hard shift to 2nd
Need some ideas. I have a 2000 Blazer and it has a 131k on it. IT just started to hesitate going into 1st gear. I also shifts hard into 2nd when under acceleration. I was planning on changing the shift solenoids, filter and fluid for the hard shift but with the new hesitation I am not sure.. I just got this used a few months ago and when I checked the fluid it is overfilled. Looking for ideas .. thanks
#2
12-01-2018, 05:48 PM
May want to get the fluid level correct first. The harsh shift is from high line pressure being set by PCM as to it sensing a component slipping in transmission. Is the service engine soon light on? May have a code stored. Mass airflow sensor can give same symptoms but do a good diagnosis before throwing money at it. At that mileage if it hasn’t been maintained routinely I would not change the fluid. Also shift solenoids won’t help the symptoms you described. Good luck.
#3
12-01-2018, 06:11 PM
Thanks.. I actually pulled the pan today and it had a layer or sludge in the bottom. The fluid itself looked like it was old enough to be from 2000..it did toss a code.. can't find where I wrote in down but it was for slippage.. so tomorrow I will put the new filter on and refil the trany and see what happens.. If nothing changes does this mean the valve body needs to be changed or worse?
Last edited by sgilbert14; 12-01-2018 at 06:20 PM.
#4
12-01-2018, 06:34 PM
The transmission is going to need rebuilt or replaced. The new fluid might shorten what life is left in it. Good luck
#5
12-01-2018, 06:59 PM
Damn been going by what I am reading on the internet but I passed a trany repair shop today that I guess I will call and see when they can take a look.
#6
12-01-2018, 07:21 PM
I think that the code was DTC P0894 - Transmission Component Slipping
Last edited by sgilbert14; 12-01-2018 at 07:25 PM.
#7
12-02-2018, 04:59 PM
If you do need too have the Tranny rebuilt, call around too a junkyard or 2 and see how much you can get a used 1 for. I have a 98 4x4 and found a used Tranny out of a S10 4x4 Pickup truck for $300 bucks. You don't have too find an exact year as long as it is from the same platform. S10 Pickups and Blazers have many interchangeable parts. My local shop wanted $800 bucks too rebuild my Tranny. I saved a ton of money as you can see. It only came with a 30 day warranty but it was worth it, I have had it about 9 months now I think and it is doing great...
#8
12-02-2018, 07:54 PM
Thanks. I actually have a place where I could get one if needed. I hope it doesn't come to that but we'll see..
#9
12-03-2018, 09:02 PM
Well, everything back together and my short test drive went great. Will take it for a real drive tomorrow...
#10
12-03-2018, 10:54 PM
The sludge you encountered in the bottom of the pan is usually 99.9% of the time worn off clutch facings.
Your only saving grace is you just did a pan drop and didn't do a full transmission flush as the worn clutches need the grit in the old oil to help them not slip.
You may have gained a little time with the new fluid but once a transmission starts slipping the lack of will be short lived.
IMHO start saving your penny's as your going to need a rebuild or transplant soon
Your only saving grace is you just did a pan drop and didn't do a full transmission flush as the worn clutches need the grit in the old oil to help them not slip.
You may have gained a little time with the new fluid but once a transmission starts slipping the lack of will be short lived.
IMHO start saving your penny's as your going to need a rebuild or transplant soon