I took my car to get my transmission rebuilt and the mechanic said that the first thing he noticed was that my car wasn't getting any oil pressure. when u turn the car on in the morning it makes a loud noise.. like a ticking knocking sound. it fades away as the car warms up. i wonder what it could be. does anyone have a clue. by the way my oil pressure gauge doesn't work do you think that could be the problem..
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I think that you have been getting the "bums rush" from the transmission rebuilder.. There is always oil in the gears as there is oil continuously being splashed around so burning gears is out unless you have a band /clutch slipping problem. Always run the fault codes to see if there are electronic problems and have a pressure test done to check for internal mechanical problems I advise that you find an accredited auto transmission shop that repairs your transmission and get a second opinion before you spend another dollar.
When the a transmission solenoid is malfunction, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.
Can the truck be driven at all? I would never get the tranny oil replaced if the tranny is working ok. Quite often when this pocedure is done the problems start. All you have to do is pull the tranny dipstick and smell the oil on the stick. If the oil smells burnt, that is a good indication of problems. If not and the truck can be driven I would be going somewhere else. I had a 2002 Yukon that needed an engine. Used engine with 40,000 Klics at an auto recycle shop was 800 bucks. $300 to get it installed including A/C charging. How much does the shop want to rebuild the trans.? Better not be more than my engine replacement anyway call around and get some opinions and advice. Good luck
You will need a service manual (Chilton's Haynes) for all of the correct torque specs and the correct disassembly/assembly sequences. That being said, the oil pump is a big job to change. You will need to disconnect the motor mounts and transmission mounts and raise the engine up so that the oil pan will clear the crossmember. If you can't get clearance doing that, the engine will need to come out. I would check the oil pressure with a mechanical guage to ensure that it indeed as low as it appears to be before beginning the endeavor.
Unfortunately, your probably looking at serious automatic trans problems. What I would do is change the transmission oil and filter. When the pan is off, you can check for clues like oil condition (if it smells burnt or is black or brown; indicates burnt/worn cluch friction disks/steels), metal filings/fragments in the pan or the filter (indicates mechanical damage), etc. I can help through all these steps. Basicly checking these things are your best indicator of transmission condition short of putting a pressure guage on it and doing road/pressure tests. While under it check shifter linkage by having someone shift through the gears with the engine off while you inspect the linkage. Be sure to block the tires good, set the e brake, because when they take it out of park it could potentially roll and KILL or injure you. Hope this helps.