Question about 1997 Cadillac Catera
The cats use hydraulic lifters. Just before your next oil change, or when you are down about a litre of oil, put a litre of transmission fluid (Dextron II) into the engine and drive it about 2to 300 miles and then change the oil and filter. You should hear the valve train noise dissappear within the 1st 20 or 30 miles.
Do not overfill!!!!!
This is assuming you have a plugged hydraulic lifter(s). If you have a worn cam or worn valve train, you need to remove the heads (both) and send them to a machine shop that does heads and re-install...new head gaskets, valve cover gaskets as well as any worn cams. valves etc....
Car really has to be worth it. At this point, if you love Cateras (I have 2 2001's), I would sell it the way it is and get a 00' or an 01'.
The 97' and 98's are not worth the trouble.......
Posted on Aug 10, 2010
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Posted on Jan 02, 2017
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Aug 31, 2016 | 1998 Cadillac Catera
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The Engine and Automatic Transmission (not applicable to manual transmissions) in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for correct spec for your make and engine type.
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