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I have a 2001 chevy silverado with a 4L60-E ...


Sent to Car Experts September 05, 2006 11:43 a.m.
I have a 2001 chevy silverado with a 4L60-E transmission, it shifts hard and slips when climbing hills when down shifting with the cruise control on. Need a fix or new transmission.

Optional Information:
2001 Chevrolet Silverado 1500 5.3L

Already Tried:
Fluid and filter have been changed per maintenance schedule. Fluid is at proper level.
Customer (name blocked for privacy)
Status: Closed   Value: $15   
Info Request
September 05, 2006 11:44 a.m. (1 minute and 20 seconds later) 		REPLIED to Info Request Check Mark
What size engine do you have in your truck and how many miles are on the vehicle?
PictureBOBBY  -- Technician/ Service Advisor -- 100% Positive Feedback on 1011 Car Accepts
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Reply to BOBBY
Sent September 05, 2006 11:53 a.m. (8 minutes and 34 seconds later)
5.3L ENGINE WITH 59K MILES
Customer (name blocked for privacy)
Answer
September 05, 2006 11:55 a.m. (1 minute and 56 seconds later) 		REPLIED Check Mark
Will it also act up under normal driving conditions if you do not have the cruise control on?
PictureBOBBY  -- Technician/ Service Advisor -- 100% Positive Feedback on 1011 Car Accepts
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Reply to BOBBY
Sent September 05, 2006 12:33 p.m. (38 minutes and 26 seconds later)
YES WHEN PULLING A HILL IS NORMALLY WHEN IT HAPPENS, DOWNSHIFTING FROM 4TH TO 3RD, THE TRANSMISSION WILL SLIP.
Customer (name blocked for privacy)
Answer
September 05, 2006 12:36 p.m. (2 minutes and 38 seconds later) 		REPLIED Check Mark
You may have an internal problem, but if I remember correctly I think GM may have a service bulletin for this problem. If you can give me a couple of hours I will see if I can find that bulletin and get back to you. If there isn't one then we will go from there.
PictureBOBBY  -- Technician/ Service Advisor -- 100% Positive Feedback on 1011 Car Accepts
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Reply to BOBBY
Sent September 05, 2006 12:46 p.m. (10 minutes and 23 seconds later)
THANK YOU I HAVE TALKED TO OTHERS WHO HAVE EXPERIENCED THE SAME PROBLEM.
Customer (name blocked for privacy)
Answer
September 05, 2006 12:57 p.m. (11 minutes and 4 seconds later)
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PictureBOBBY  -- Technician/ Service Advisor -- 100% Positive Feedback on 1011 Car Accepts
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Answer
September 05, 2006 10:58 p.m. (10 hours and 0 minutes later) 		ACCEPTED Check Mark
Sorry it took so long to get back to you. There are a couple of similar problems that GM has had problems with. Two of them are internal problems to where debris starts to clog the bleed off valves in between gears. I am not sure ir this is something you want to fix yourself. Another is the fact that if your Mass Air Flow sensor gets dirty it can cause this. This is especially possible if you have an aftermarket air filter in it. I would start by removing this sensor and cleaning it out with throttle body cleaner and let me know what happens.
PictureBOBBY  -- Technician/ Service Advisor -- 100% Positive Feedback on 1011 Car Accepts
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Reply
Sent September 06, 2006 2:59 p.m. (16 hours and 0 minutes later)
Relist:
Thank you, I checked with an obdII and got no codes, put in transmission additive and cleaned mass air flow sensor. Seems to work better now and I'll keep my fingers crossed for the future.
Customer (name blocked for privacy)
Answer
September 06, 2006 4:07 p.m. (1 hour and 8 minutes later)
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