4hp24 zf transmission pdf10/28/2022 ![]() ![]()
can self destruct, or at least do fatal harm to the A-clutch due to excessive pressure build-up. Oh and NEVER rev strongly in P or N! The trans. I have this done along with the brake fluid. I've been advised to change the ATF, and filter (and seal) every year since replacing my auto. #4hp24 zf transmission pdf manuals#The same goes with those with manuals (excluding the P - put in 2 or 4). Make sure you first put it in N, apply the parking brake, remove foot from brake, let weight shift to rear brakes, then throw it in P. Drive it on the highway for a bit, park it, don't shut it off, then check the fluid.Ī journalist from the BMW CCA advises using the parking brake whenever your on any hill. make sure you get the tranny up to operating temp. But even in your case, the electric part is the only extra fault, otherwise the mechanical durability is good. auto's are the most durable - providing they are not EH. #4hp24 zf transmission pdf manual#I pondered (still do) the manual conversion - but it would take too long and be far more expensive (if buying new parts). With annual fluid and filter changes, it's been trouble free now at 194K. We replaced the bracket, bushings and diff mount and driveshaft. Oh and they also broke part of the trans. mounts, which harmed the driveshaft (along with age). Turns out Lee Myles installed the wrong trans. I bought it at 113K and it was fine until 120 K when drive-shaft issues developed. Another $1K at Lee Myles and it was fine. ![]() Well, a year later at 100K it developed leaks. ![]() They spent $2K - I know the A-clutch had to be repl. Well, they took it to Lee Myles - what a mistake. Btw they lived in a ridiculously hilly area. My 533i, with 4-speed auto (non EH) is now on it's 3rd tranny. Since there are few automatic people on this board, I will chime in. Clutch packs can go on the transmissions too, and I would hate to see you incur the time and expense of a valve body overhaul to only have something else blow a few months down the road. #4hp24 zf transmission pdf plus#If you are going to open the transmission and have it rebuilt, at 100k miles plus you should simply overhaul the entire transmission if you are planning on keeping the car and want it to be reliable. The other thing is that I would not just rebuild the valve body at this age. Not that the BMW indy is a socialist, but a good BMW indy is, in my experience, generally more trustworthy, especially someone well known in the CCA. I would avoid the chain transmission shops as most do a so-so job at best of rebuilding or diagnosing ZF transmissions - they just want to sell you a transmission. It is certainly possible that it is gone, but you might want to have it checked over by a reputable BMW mechanic to get a better view of what is going on. They also often fail with no warning whatsoever. It should not look or smell burnt.Īutomatic transmission can go at any time and are, unfortunately, difficult if not impossible to diagnose from a distance. Check the fluid and smell it and look it over. ![]()
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