Question about 1994 Cadillac DeVille

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1994 cadillac I took out the rariator and there was a pressureized line and want to know what it was for.

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  • jerichotaz1 Jun 24, 2008

    I tried that and it didn't work

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Radiator has upper and lower hose, and cap, has 15 lbs. pressure, must remove cap after engine cold

Posted on Jun 24, 2008

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There are low pressure and high pressure switches in the system. One is usually on the back of the compressor, the other is in one of the metal ac lines or at the accumulator.

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pressure regulator buddy pull the vacume line off of it see what it dose it do a fuel pressure test im assuming you have the northstar engine make sure pressure is in speck if not then it will flode through the injectors

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Our cadillac will shift into 3rd but wont shift out of third.


Hi and welcome to FixYa!
I pressume that you have a manual transmission. If that's the case, the clutch lining must be worn out that's why it doesn't shift out on third. I strongly suggest that you replace the clutch lining, pressure plate and release bearing. This will surely resolve the problem and a smooth shifting will be noticeable.

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I have a 1994 Sedan Deville that cranks longer then it should on first start ever morning. It starts good the rest of the time. 4.9 liter V8


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1994 cadillac belt diagram 4.9


Click on the following free, direct Link. It has the Belt Diagrams for your 1994 Cadillac Deville 4.9L V8.

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

http://www.2carpros.com/car_repair_information/year/1994/make/cadillac/model/deville/1994_cadillac_deville_drive_belt_routing_diagram.htm

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Some how you have the pressure and return fuel lines backwards. Double check your repair,I am thinking you cut atleast 2 lines for the repair. Just reverse them.

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