Try Some LUCAS STOPS LEAK
C_More said:
I have an 89 SC auto!When my car is cold it shifts smooth but as soon as the car warms up the tranny starts to slip,and making a constant high pitch whissel!I have never had a tranny go out so this is all new to me.I was considering doing a tranny rebuild but want to rule out any other possibilities first!
Could it be a torque converter?
Could a tranny flush and filter change fix the problem or does it sound more serious?
Chris
First, check the tranny fluid level. Second, look at the fluid to see if it is nice and red like it is suppose to be or brown like it is old. Third, smell the fluid on the end of the dip stick. If it smells burnt, then it is probably the clutches are gone and you need to rebuild. But, before I do that I would get a couple of bottles of LUCAS STOPS SLIP tranny fix (
www.lucasoil.com) and try that. $20 is better then a grand or more.
Ed Springer
90 Black XR7 5-speed: 70mm TB, Fresh Air Intake, '94 Supercharger, 5% SC Pulley, Raised SC Top, I/C Fan, UD Pulleys, 190 l/h Fuel Pump, 36# Injectors, Headers, Magnaflow Muffler (no cats) with stock resonators, 3:27 Gears, Ripper Shifter, 73mm CL MAF (Blue Tube), Magnacore Wires, NGK Iridium Plugs, Royal Purple Lubricants and Rear Spring Air Bags.
94 Red SC Auto: 70mm TB, Fresh Air Intake, Stock 90 SC Pulley, Raised SC Top, I/C Fan, 190 l/h Fuel Pump, 38# Injectors, Headers, Raven Muffler (no cats) with stock resonators, 3:73 Gears, 76mm CL MAF (Gold Tube), Magnacore Wires, NGK Iridium Plugs, Royal Purple Lubricants, TRANSGO Shift Kit, Pro-Torque 2500 Stall TC, Haydon Auxiliary Transmission Cooler, Tokico Struts & Shocks, American Racing 17” Sniper Wheels, Michelin Pilot Sport A/S Tires and 235 RWHP with 315 LB-FT Torque.