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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Transmission Fluid Change in Cadillac Escalade Forums; Originally Posted by svvovan Hello. Advice please. I want to check the oil level in the gearbox? The oil level ...
  1. #31
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners 10000+ Posts
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    Quote Originally Posted by svvovan
    Hello.
    Advice please.
    I want to check the oil level in the gearbox? The oil level must be measured with the engine running, or cold?
    Estsalade ESV, 2005, 6.0l /
    Thank you.
    The way the manual says is engine at operating temp then (starting at 1) slowly work through the gear ranges stopping at park


  2. #32
    Homegrown is offline Cadillac Owners Member
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    Re: Transmission Fluid Change

    Question regarding transmission filter and fluid change in low mileage 2004 ESV:
    I bought this truck with very low mileage and wanted to ensure all maintenance was up-to-date. I did have a hard time removing the transmission pan, but eventually did and got the fluid changed too (Dex VI). However, now I feel some "slipping" between 4-5th gear shifts around 50-55mph where the tachometer jumps between 1500-2000rpm very briefly. It does not always happen, but often enough that I concerned I knocked something loose while under there.

    The truck (2004 ESV) has only 60k miles and the old fluid looked very clean when I 'flushed' using the pump method into bucket. Therefore I think the transmission is good, but I must have done something. What could I have done that would have taken a nice shifting transmission and caused a poor 4-5th shift?


    UPDATE: Thanks to 'Cadillac Man', I now understand that I was not checking the fluid level properly. Checking and adding fluid while at 'operating temp' revealed I was nearly 2 qts low! Thank you, sir.

  3. #33
    the cadillac man's Avatar
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    Check and add fluid if needed as low fluid will cause poor shifting quality

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  5. #34
    carguy75's Avatar
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    Re: Transmission Fluid Change

    I have just changed my fluid and filter a couple days ago in my 2006 and it took exactly 5 quarts like the service manual states to top it off when warmed up.

    Also 5 quarts of oil is what came out of the pan when I measure the amount I removed.

    Tip: To minimize making a large mess if you have the pan without the drain plug like I did, use a suction device to suck the fluid out of the pan when you first crack it open and a little fluid begins to drain out.

    I used my Power Built fluid extractor to drain the pan which made the job much cleaner and easier especially if you have to use a pry bar to move the shift cable bracket to remove the pan.

    The Power Built extractor has a very small and flexible hose that can slide though a narrow crack in the pan opening.
    https://www.amazon.com/Powerbuilt-64...luid+extractor

    I also added an extra round magnet on top of the existing round magnet in the pan for a stronger magnetic field to pull more metal crap out of the fluid as well as changing out my pan for a Dorman steel pan with the drain plug so I can drain-and-fill every 30k miles.

    Tip for the new steel pan with drain bolt, open the drain plug before filling it with fluid and lubricate the threads with fresh transmission fluid to minimize corrosion and reinstall since the plugs are very tight from the factory which could be an issue later down the road when it comes time to open them the first time since they are steel.

  6. #35
    jnrsesv is offline Cadillac Owners Enthusiast
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    Re: Transmission Fluid Change

    I just had a local shop do a complete drain and filter for $200.00 OTD. First they dropped the pan and changed filter. Then removed the 2 radiator cooler transmission lines. Hooked a machine up to both, the machine did not force any ATF through, it allows the trucks transmission pump to pump/dump ATF. The total process took about an hour and a half. All ATF was replaced. I have noticed smoother shifting. I went a little over the scheduled service this time. First time was at 100,000, this time 140,000 (240,000 total miles on my transmission). I believe I might full service at every 75,000 in the future.

    I don't know if I truly believe that the ATF needs to be drained 4~5 qts. every 30,000 miles. As most of you know, I DIY everything on our vehicles. I was going to try the 5 gallon buckets, 1 filled with new ATF and one empty to pump and dump. I just wasn't up to the task.

  7. #36
    carguy75's Avatar
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    Re: Transmission Fluid Change

    Quote Originally Posted by jnrsesv View Post
    I just had a local shop do a complete drain and filter for $200.00 OTD. First they dropped the pan and changed filter. Then removed the 2 radiator cooler transmission lines. Hooked a machine up to both, the machine did not force any ATF through, it allows the trucks transmission pump to pump/dump ATF. The total process took about an hour and a half. All ATF was replaced. I have noticed smoother shifting. I went a little over the scheduled service this time. First time was at 100,000, this time 140,000 (240,000 total miles on my transmission). I believe I might full service at every 75,000 in the future.

    I don't know if I truly believe that the ATF needs to be drained 4~5 qts. every 30,000 miles. As most of you know, I DIY everything on our vehicles. I was going to try the 5 gallon buckets, 1 filled with new ATF and one empty to pump and dump. I just wasn't up to the task.
    To be honest every 30k miles would be over-kill in my opinion if I removed all the fluid at once like in a flush, however since I only drained 5 quarts (about half the fluid)I will just drain about 3.5 quarts from the drain plug in my new pan every 30k miles to keep fresh fluids in the transmission.

    Maybe over-kill, but I always just over do something that not doing enough.

    I will drop the pan every 100k miles and change the filter.

    So actually i will do two 30k drain and fills and then a 40k filter change in a 100k mile time period.

    LOL. I should have just flushed the transmission.

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