Used motorcraft fluid on the change, and the stuff I drained out looked good. Guessing the next step is a new torque converter? Any thoughts on this being handled by me under my big shade tree in the backyard compared to taking it to the guy down the road that has a bigger shade tree? Transmission still shifts perfectly so I'm guessing a rebuild isn't necessary yet.
I plan on keeping this car around for a long time, so no band-aid fixes. ABHooligan , Aug 23, Joined: Oct 2, Oddometer: 1, Location: Chattanooga. I did the fluid change in my papaw's grand marquis a few years ago and it was healed. I don't remember if the torque converter has a drain plug or not? Older 's did. I think, with the car being v-8 rear wheel drive, it should be easy to change the TC yourself, provided you have a solid, flat floor under your shade tree.
You will doubtless need a transmission jack to roll the trans back and forth. You could probably have it done in half a day. As an aside, papaw gave me his grand marquis, an 04 model. I drove it for a while and sold it. I wish I still had it-rode like a cloud, tons of space in it, lots of power, and 30mpg on the highway. Good luck. Disston , Aug 23, A 1 day job for me I've done 8 or 10 ,a half day job for your friend.
In addition to the floor model jack, hope the ground is paved, you need a couple of not too common hand tools, very long, maybe 36 in, half in extension and large Torx bit forget the size, maybe 47 or 55 to drop the exhaust.
I'd say do it yourself if you want the experienc and have the time but it's dirty hard work laying on your back.
If I had a reasonably priced guy like you do I'd deffinately give it to him. SmittyBlackstone likes this. No need to open the trans if all you are doing is changing the torque converter. Because this regulated converter charge oil is always present, either as release or apply pressure, severe leakage at the sleeve can result in TCC slip or no apply condition.
Sonnax offers a replacement bypass clutch control sleeve and plunger valve with a restricted oil flow orifice, K. The single. This eliminates the need to modify the plunger feed hole in the separator plate, which is a common industry adjustment.
Highly wear-resistant sleeve and hard-coat anodized plunger valve eliminate converter charge oil loss. Sign In Create an Account. All Categories. My Wishlist. The design is to enable the vehicle to grind to a halt, with the motor running. To do this something needs to slip, and that is the torque converter. From this viewpoint, it acts much like an automatic clutch. A torque converter works by exchanging power, through fluid motion.
An easy way to understand this is to consider 2 desk fans. We connect a fan to an energy source and turn it on. The movement of air, originating from the running fan, causing the fan blades in the second fan to turn. A torque converter works the same, however, utilizes liquid as opposed to air. Fluid is considerably more viscous than air and transmits significantly more power. They connect the torque converter housing to the motor flywheel. At the point when the motor runs, blades inside the torque converter rotate through the transmission liquid.
The movement of this liquid causes other blades, appended to the transmission, to turn. This is what drives the vehicle and while idling, enables the motor to keep running with the vehicle staying still.
Slipping is needed for the vehicle to stand still while the engine runs. Because some of this slippage will happen when driving, fuel mileage will suffer. Newer vehicles will use a clutch that is located on the inside of the torque converter in order to stop slipping, whenever it is not needed. The clutch will lock up so that the torque converter will rotate at the same speed of the engine. This transfers more power that is available and helps the fuel mileage. Whenever the internal clutch is applied, this is called torque converter lockup.
This happens after the vehicle is rolling and will let go when your vehicle stops. This clutch needs specific lubricants in the transmission fluid to work correctly. Lubrication for the torque converter clutch is one explanation behind such huge numbers of automatic transmission liquids ATF available. Without the added substances in these liquids, the clutch may make noise when it draws in, causing the shudder sensation. On the off chance that permitted to chatter, it may harm the clutch. Material from the clutch will mix with the liquid and can demolish the automatic transmission.
Not replacing the automatic transmission fluid regularly enough may make a torque converter shudder. Utilizing the wrong transmission fluid, even while flushing a transmission, can cause a torque converter shudder and numerous different issues. Most transmission liquid has friction modifiers in it to help avoid shudder.
Time, mileage, and heat make the additives in auto transmission fluid to become depleted.
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