545rfe whining noise. It seemed to be above the full line for the .
545rfe whining noise I have replaced cooler lines, regulator/bypass valves and coolers for whine-type noises. TLDR: Going to R or D from N or P gives off a valve/solenoid/pump noise. Nov 18, 2019 · My 07 1500 5. . Jun 2, 2020 · Do you have a scan tool that can read Line Pressure (LP) and Desired Line Pressure (DLP)? Both codes indicate internal slippage within the trans. Pitch increases as rpm increases but goes away at around 2000 rpms. After a second it clicks. While low line pressure is often the cause of slippage, normally you would also get a P0868 (Line Pressure Low) fault if low LP was actually the problem. Oct 1, 2016 · The noise only happens when you are accelerating from a stop so its in the standard 2nd gear, not 2nd prime on kickdown. It does it a little bit in 3ed gear if rpms are low enough very strange. In first and 3rd-5th there is no noise as well so its not rear end noise or from the rest of the drivetrain. Turned out to be front diff, made noise when freewheeling. Jun 13, 2012 · When putting my truck into reverse from any position ( Park, neutral, drive) it sounds like to spline that are not rotating at the same speed and skip. Mar 10, 2018 · We had a 99 Suburban that had a whine under certain conditions. It seemed to be above the full line for the Jun 25, 2020 · 545RFE Transmission was serviced at the dealership at 85k miles. Shifts are also slow even when going from R to D. Mar 11, 2018 · Duty-cycle solenoids can transmit noise loudly if worn or leaky. Make sure that the cooler components aren't contacting the frame or body where they could transmit unwanted noise into the body. No other gear makes this noise. I can also hear the noise while driving when it shifts gears (up or down doesn't matter). I checked the dipstick after driving it around a bit and then letting set for 20 minutes. 7 545rfe makes a whining, supercharger-sounding noise when the truck shifts into 4th gear at about 1300-1900 rpms. hgblklwfeabjamkieqftsnjiphbwspdvgoxdcrqkfstljamwv