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I’m thinking it’s torque converter but want 2nd opinion. I’ve got an annoying whining sound while in gear. No whine in park or neutral. It gets louder and faster when I give it has. It seems to be more in sync with the amount of gas given during acceleration than with the actual RPMs. Hopefully that makes sense, lol. I’m also thinking about trying to tackle the job myself. To be honest I don’t know shit about transmissions but I’m not completely ignorant to everything else. I’m a cautious do it yourselfer but wondering if it’s too complicating or intensive to attempt? Thoughts???
Need a replacement transmission? Quality transmissions are hard to find. Free estimate to your email.Let me answer your second question first. I would honestly advise you to give this a pass. The transmission is nothing you want to try as your first heavy duty do-it-yourself experience. Why, just field stripping and reassembling a tranny without having the proverbial 10 or 15 screws and nuts left over is daunting to even experienced do-it-yourselfers. Yes, it looks easy on YouTube, but, you have to remember that the guys who are doing it are experienced transmission techs who, for the most part, eat and breathe transmissions. If you really want to try something on the tranny, try replacing the solenoid packs, which will require some disassembly, as your first step and then move on from there.
As to your specific question, since it is synchronous (it is in sync with) the amount of gas given at any given time, it sounds to me as if it is more like the impeller part of the torque converter — it’s a twofer, converter/impeller. That is the device that really spins at high speeds in response to the feed from the converter.
It is possible, though, that it might be the bands/clutch assemblies further down the transmission chain. In other words, there are three major possibilities, right at the start.
My suggestion is take your van to a good independent transmission shop and have the foreman or lead tech take it out for a test drive. If they have been in the business for any length of time, they will likely be able to “ear” the problem as they listen. In this case, experience speaks louder than other words.
Once that test drive is done and the tech has talked with you, ask for a diagnostic OBD-II test to see if the computers are reporting any other problems. Between the two, you will find the answer. I suspect you may be right about the exact cause and I would mention it to the tech, but, at the same time, let experience work for you here.
Glad to hear about the 01 Suburban. I think you will like the change and, yes, you are doing the right thing. I am glad that I could help you out. And, you are right, your transmission specialist will be a happy camper. 😉
Fair Replacement Transmission Cost by Vehicle
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Fair Remanufactured Transmission Price Ranges by Transmission Model Updated May 1, 2018
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