Changing transmission fluid

LarryJM wrote:

BurbMan wrote:
Larry, you have a real pair of brass ones to sit there and say that your opinions are fact are mine are misguided. I am looking at the Helm factory service manual provided to dealers for the correct service and repair of GM vehicles. I am looking at page 7-325 that talks about fluid replacement for the 4L60E. in summary it says to drop the pan, replace the filter, install the pan, and fill with fluid to the correct level. Disconnecting lines is only referenced with regard to checking line pressure, checking cooler flow, etc. the same procedure is givenj on page 7-575 for the 4L80E.

granted my manual is for 2001 vehicles and may not be applicable to the OPs 2010 Silverado, but certainly no less appliacble than your service knowledge of your Ford vehicle.

as a reminder, this is a public forum and for you to indict my opinions has dangerously misleading while canonizing yours as unimpeachably correct is the height of arrogance and ridiculousness. You must not have many friends.

Well this is the first time you have even hinted at what you used to reference your posts and I will only remind folks that in your first post your were flat out wrong on the % of fluid changed with a pan drop and fill so that tells me you are loose with your facts to start with. I also provided "FACTUAL" info with even page and reference on the statement made here that GM manual specifically says not to FLUSH the Transmission and that came directly from a 2010 Silverado manual. Not to your reference to your 2001 manual, you should IMO have stated where it came from since who knows if that procedure is applicable to this particular year and model since again you don't have the current facts for the specific model you are talking about. As far as me mentioning the procedure for my 2001 Ford, I specifically mentioned in my very first post IIRC that I didn't know the specifics for the GM trucks, but one should be similar so I didn't in ANY WAY base my information solely on that vehicle only. In using your 2001 service manual and ASSUMING it is exactly the same as what is applicable to the 2010 Silverado in this thread is IMO even a more flagrant playing with the facts as it might apply here. A simple google for Silverado tranny fluid changes will show to anyone interested that what I have been describing and even doing the type of flush that I don't think is prudent is common and even used by dealerships and I would submit that MOST dealerships and tranny/service shops do much more than a simple drop the pan and fill, with most using a tranny flush machine and I won't go there since that is a whole other topic for discussion.

I would highly encourage folks to go back and look at my first post in this thread and the misfacts stated by you and what my reply was and exactly what I said which your most recent response has seemed to TOTALLY IGNORE. I have and will continue to contend that your asseration that

it's more valuable to drop the pan and change the filter than it is to flush 100% of the fluid. You will have 3/4 of the fluid replaced by dropping the pan, and the remaining 25% of teh old fluid won't hurt anything

is flat out wrong, not factual, and not supported by any reputable source. NOTE: you used flush which I have issues with and take that as meaning changing 100% or as close to as possible which I do agree with.

Your taking this to the personal level with digs as to who and how many friends I have and to lighten up, and using terms like arrogance and ridiculousness w/o specific reference just tells me that is generally what happens when one in faced with the embarassement of admitting they are not correct and the only way to save face is to take it to a personal level. That is IMO TRULY SAD. I'm GLAD as CKNSLS sees my point even if you and some other seem to want to ignore the facts and common sense. I will not you still haven't substantiated that outrageous statement about it not being advisable at times not to change as much tranny fluid as possible.

I just love it when folks try and dig themselves out of a hole and fail to realize that they are only making the hole deeper and deeper:p

O.K. all good things have to end and I'm not childish as some on insisting to always having the last word in a conversation so I'm THRU here since I think I have made my points to those that want good information and if one wants my specific input any further on this particular topic, please PM me since as I said I'm THRU with this particular thread.

Larry

Larry, The thing is you have "old school" attitude and there are those who have heard something twenty years ago and then in their mind it's set in stone. A modern tranny flush is nothing more than taking the old fluid out and putting new fluid in. AGAIN, for anybody that buys a new Silverado the power train is GM's responsibility for the first 100K. They are not going to authorize a procedure that will cause harm when GM WILL HAVE TO FIX IT. But, this is common sense and we all know......oh...oh..better not go there!