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Chevrolet Repair/1995 suburban transmission

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Question
I have a 1995 chevrolet suburban 1500 4x4 with a 4L60E transmission. The tranny works fine when the SUV is cold but once it warms up the tranny will not shift into any gear. Is my transmission shot or can it be fixed without a total rebuild?  It has a 5.7L engine and I need to fix it ASAP because I need the vehicle.

Answer
HI JASON,,,HAVE YOU CHECKED THE OIL LEVEL ??? JUST ASKING ??? IF NOT DO SO ASAP.. IF YOU HAVE CHECKED THE LEVEL,IS IT CLEAN,VERY RED LIKE. THIS IS NOT A GOOD SIGN. THE TRANS MORE THEN LIKELY WILL NEED TO BE REUILT. IF DIRTY,LIKE BROWN AND SMELLS BAD  ?? BURNED OIL ?? IF THIS IS THE CASE, DRAIN THE OIL AND REPLACE THE FILTER AND KEEP YOUR FINGERS CROSSED...IF THIS HAS OVER 150K MILES AND TRANS OIL HAS NEVER BEEN CHANGED, CHANCES ARE THE TRANS WILL NEED TO BE REBUILT. THE REASON IT WORKS OK WHEN IT IS COLD IS BECAUSE THE OIL IS THICKER WHICH IS ACTING LIKE FRESH CLUTHES.. BUT ONCE WARMED UP, THE OIL GETS THIN AND THEN THE CLUTCHES START TO SLIP..BUT IT IS WORTH A TRY TO FLUSH AND INSTALL NEW OIL AND FILTER..GOOD LUCK TO YOU,,,TOM..

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TOM SHEETS

Expertise

PLEASE READ ALL OF THIS BEFORE ASKING ANY QUESTIONS. IF THIS CHEVY SECTION IS MAXED OUT.YOU CAN REACH ME IN THE OLDS/BUICK SECTION. Will answer questions from 6:00am to 10:00pm all days [EST][[[ NO DIESEL OR PAINT QUESTIONS]]] will answer all 1965 to present QUESTIONS ON ALL GM'S on mechanics of these cars. Keep in mind i am not there in person i am going on what you are telling me !! PLEASE IF ASKING A QUESTION GIVE ME AS MUCH INFO AS POSSIBLE. THE MORE THE BETTER. SUCH AS YEAR,MAKE,MODEL,ENGINE SIZE. THIS WILL HELP ME HELP YOU. I will not be able to answer all questions because of some situations that i would really need to be there and see things for myself,such as electrical issues. In many cases i would need wiring diagrams. I can also give you an estimate on what the cost would be at our repair shop as an idea to help you. Keep in mind that my answer is ONLY MY ADVICE,ck with your mechanic as well.. >> THANK YOU, TOM..

Experience

I have been a ASE certified master mechanic for over 30 years and certified IN ALL 8 CATEGORIES,[engine repair,engine performance,auto trans,manual trans,clutches,steering and suspension,brakes,electrical systems,heating and air/cond. I am also a state CERTIFIED inspector for over 30 years. I do computer work [pcm]fault codes,pcm flashing,state inspection monitor readiness,repairs on exhaust,fuel service,[injection and carburetor,] charging system problems, running issues,alignments,frame problems,tire balance,struts and of course standard and anti-lock brakes.

Organizations
nys state auto repair industry and ase group.

Publications
N/A

Education/Credentials
high school,4 years of tech school,and many many hours of auto training with many gm classes and aftermarket training classes..

Awards and Honors
ASE MASTER TECH CERTIFIED IN ALL 8 CATEGORIES.NYS INSP LICENSE AND A/C CERTIFIED

Past/Present Clients
MANY CUSTOMERS IN OUR BUSY SHOP.

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