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seanbreaux

07-10-2022 08:09 AM

Transmission Slipping 4.4i 2003

Hi All,

I have an issue with my 2003 4.4i. It seems the transmission slips in around 3rd gear when I press the gas, especially noticeable when I am going uphill on a mild incline. I have to press the gas so the car will downshift to stop the slipping. The car has about 150K miles and the transmission was rebuilt about 90K miles ago. Does this sound like I am going to need to replace or rebuild? If so, what is the most cost effective solution these days? I am located in the Los Angeles area if anyone has a recommendation. Thanks!

X5chemist

07-10-2022 09:34 AM

A common cause for slippage is low fluid levels. Check it or have it checked. Next, use an advanced scanner for transmission codes.

seanbreaux

07-10-2022 03:49 PM

Quote:

Originally Posted by X5chemist (Post 1222297)

A common cause for slippage is low fluid levels. Check it or have it checked. Next, use an advanced scanner for transmission codes.

Thanks! I will look into the fluids. I have a c110 scanner which I imagine wont give me the codes you are talking about. Do you know a scanner I could buy to get the transmission codes?

haigha

07-10-2022 04:13 PM

Quote:

Originally Posted by seanbreaux (Post 1222305)

Thanks! I will look into the fluids. I have a c110 scanner which I imagine wont give me the codes you are talking about. Do you know a scanner I could buy to get the transmission codes?

Foxwell 520 pro is what I used.

EODguy

07-11-2022 04:20 AM

Quote:

Originally Posted by haigha (Post 1222306)

Foxwell 520 pro is what I used.

+1[emoji106]

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