Question about 1990 Cadillac Deville

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Problem with starting a 1990 Cadillac DeVille 4.5L V8

Once I crank on the engine, it will continue cranking but it will not turn on. I here the electrical fuel pump come on once I start the ignition, but it will continue to crank without turning on. I had the alternator and starter checked and they are in excellent condition. Once I lift the carburator cover and manually add gasoline to the carburator, it will turn on like new! I removed the carburator and parts and cleaned them, but the problem continues. Can someone please help, the vehicle is in excellent condition and this is the first time it has had a mechanical problem. Thanks in advance, God Bless.

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  • 179 Answers

Sounds like a faulty fuel pump sometime they still work but not enough pressure because the pump is going bad, you need a new pump

Posted on May 31, 2009

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Dec 29, 2015 | Cadillac Cars & Trucks

1 Answer

My 2003 cadillac deville dts drags when i try to crank it, I replaced the battery and starter, and it still wont crank.


Hi Able:
"Crank" to me means turn over.
"Fire" means actually try to run.
If it won't crank and you have a new battery and starter, I'd be checking the terminal connections, wires, cround connection, and solenoid. If all of those are good then we need to start checking the engine condition. Recently running or sitting for 5 years and full of rust?
Reply as a comment to this post for conversation.

Dec 03, 2015 | 2003 Cadillac Deville

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Which direction does the flywheel retention bolt turn on a 1986 deville transverse v8?


Counter-clockwise to loosen, whether it is the flywheel or crank pulley. Use NEW bolts and red Locktite when you reinstall.

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My cadillac sedan deville motor is locked how do i unlock it


It would depend on what failed.
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Unless one of the accessories locked up and the belt is the only thing holding it, you would probably have to take the engine apart to fix it.
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Were do I find the crankshaft sinsor on my 1990 Cadillac sedan deville 4.5 fwd.


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1 Answer

Do 1990 cadillac deville cars have a V6 engine?


No; the most common engine for that car is the 4.5L V8.  There were also 5.0L and 5.7L engines available for the Brougham.

Sep 03, 2009 | 1990 Cadillac Deville

1 Answer

1990 Cadillac won't crank


Has the motor siezed from lack of oil or water

May 09, 2009 | 1990 Cadillac Deville

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Cold starting problem


How old is your Battery? at the Temp. Stated above an Older Battery even though Good may not have Enough Cold Cranking Amps Left to Kick her Over.

Jan 04, 2009 | 1990 Cadillac Deville

1 Answer

My 1990 Cadillac Deville just cut off


sounds like jumped timing belt maybe chain ,no spark is my guess if it turns over and dont even make a pop noise..

Jan 03, 2009 | 1990 Cadillac Deville

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