Question about 1995 Buick Skylark
Could my oil sending unit be bad or the oil pump there are no oil leaks anywhere but i think thermostat is bad this started after the engine over heated i am going to replace the thermostat do you think that will help the oil pressure and what kind oil should i get
Does the engine make a bad noise, like it is not getting oil? If not, I would try replacing the oil pressure switch. I have had to do this twice in the past three years that we have owned my wife's 02 Buick.
Posted on Apr 27, 2013
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Posted on Jan 02, 2017
SOURCE: flashig oil light
You either have a loose/worn engine bearing or a worn out oil pump, do not drive the car this way, you will cause serious damage to the whole engine. A oil switch is for a light, it turns on the light when oil pressure falls below about 10 PSI, a sending unit is for a guage that shows oil pressure with a scale, it may have numbers on the guage or just green and red, or high and low.
Posted on Oct 10, 2008
The pressure sending unit is located on the passenger side rear of the engine just above and slightly to the left of the filter and filter housing.
Posted on Aug 01, 2009
my sister had the same problem. There are 2 sensors that can cause this when they go bad. One is the oil pressure switch, which is located near the oil filter. When the PCM reads this switch, and gets a low reading, it will automatically kill the engine. The switch costs around $4.00 and is a 5 minute replacement job. The other possibility is that the crank position sensor has gone bad. When this sensor goes bad, the PCM can't read the appropriate speeds of the crankshaft, and will adjust the fuel and air mixture to compensate, often times the engine will die because it is getting insufficient fuel and air. The Crank position sensor is located on the engine block near the water pump. It is around $40.00 and at the most a 30 minute replacement job if you are unfamiliar with the process. I hope this helps. I'm a vehicle mechanic in the Air Force, with roughly 7 years of experience on the floor.
Posted on Dec 03, 2010
If the coolant is leaking at the head gasket or the intake manifold gasket slowly, then new gaskets will have to be installed. The bubbles coming up is a bad sign that the seal of the coolant system is bad or it's overheating the coolant to the point that it boils over.
The overheating may be due to air or vapor in the cooling system not allowing fluid to flow freely.
Did you put a 50/50 concentration of coolant to water into the cooling system?
Also, check the fan to see if it is turning on when the car is at operating temperature at idle.
May need to be flushed out and new coolant installed to increase cooling efficiency.
Good luck on this repair.
Posted on Jan 14, 2011
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