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Speedtech 05-22-2012 09:03 PM

Beware- WIX transmission filter kit
Ok so it was time to change my transmission lines in my 2006 GC Limited. I got all the necessary items. One of the items was the WIX filter kit for 4WD 545RFE transmission. So I installed everything, even ran 7 extra quarts of Castrol ATF+4 threw it to get the system flushed out. Well it was clear after several days I was having some delayed gear engagement when cold. I test everything even relearned the trans pressures several times, even got the Sonnax line pressure booster, no help still taking too long to get into gear, kinda "flowing" into gear, even threw a couple codes. Anyhow I saw while researching about some issues and TSB's for this and it being related to the return filter. So I get both filters at the Jeep dealer and another 7 qts of Castrol ATF+4 and put it together, problem solved. I contact WIX for a refund on the filter kit and fluid, they send a rep out, he is a nice guy, he tells me it is likely that WIX used a defective factory filter as the model for their filter therefore it has incorrect specs. After awhile I get a letter saying to send in all my maintenance records, WTF I am a tech I do not have receipts for stuff I did on lunch breaks and days off. Anyhow I am giving up, chalking it up as $100 dollar loss.


jeepgcoman 05-22-2012 09:50 PM

Re: Beware- WIX transmission filter kit
Thanks for the Heads Up!

Speedtech 05-19-2013 10:21 PM

Re: Beware- WIX transmission filter kit
Boosting this up to save some others from chasing this issue.

suzieque 05-19-2013 11:46 PM

Re: Beware- WIX transmission filter kit
Thanks for posting, i plan on a filter change in the next month, guess i will use the dealer provided filter.

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