Cadillac seville sls running hot changed the thermastat still running hot the temp goes up and down while driving til its says stop engine. Also the manafold is getting red hot (glowing red) oh its a 1994.
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If check engine light is on have it scanned at auto parts store .if no codes then could be low fuel pressure or a coil pack shutting down. Please rate my help
Well, the first thing one should check is the transmission fluid level. Add Dexron ATF to the transmission until full when the vehicle is at normal operating temperature after 30 or 40 minutes of driving.
Secondly, if the car's transmission hasn't been flushed and filled in 30,000 mi. it's recommended that you do so as normal maintenance. This service typically costs about $100 or so.
If the car only runs forward but not reverse, a solenoid may be plugged up with clutch dust, or it's shorted out and needs to be replaced. However, tearing down a transmission on a 2001 Cadillac Seville is rather expensive, in the thousands of dollars.
One might consider getting a good used transmission that has a guarantee on it and have it installed, or have the one in it rebuilt.
The check engine light is supposed to come on when you turn the key to the on position. That proves to you that the light is not burned out. The check engine light then goes out within 5 seconds after the car starts. That is normal. Also the heat and air all come on when you turn the key to the on position. I don't think there is a problem there at all.
never come across this before and i would need to see the engine layout to work out what could be causing it but if its low oil pressure then add a tin of STP or wynns and see what happens
run car and tap on the side of p.c.m. if car spuders idles funny. any thing out of ordinary . p.c.m needs replacing. it should be located in engine compartment where the air filter is
Allow it to cool down and refill system while running with heater on hot. Hopefully this will get the air out of the system. However, if this condition persists, have the radiator checked for hydrocarbons. These engines are sensitive to overheat and you may have blown a head gasket. (hope not) Good luck!
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