Question about 1994 Cadillac DeVille

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Need the vacuum diagram for the 1978 425 EFI cadillac engine

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need the vacuum diagram for the 1978 425 EFI - 51736c8.jpg

Vacuum circuits - 1979 Seville with 5.7L engine Fed. (EFI)


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Vacuum circuits - 1979 Seville with 5.7L engine Calif. (EFI)


Hope this help (remember comment and rated this).

Posted on Apr 23, 2010

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Vacuum lines


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I need a vacuum line diagram for a 1984 cadllac coupe deville


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Fig. 31: Vacuum circuits - 1984 V8 4.1L engine Fed. and High Alt. (DFI)


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Fig. 33: Vacuum circuits - 1984 V8 4.1L engine Calif. (DFI)

Hope helps. Just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment. Have a nice weekend and thanks for using FixYa.

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Had the engine in my 1985 cadillac eldorado rebuilt at my auto parts store. it is a 4100 gas engine. they took the engine out and put it back in. unfortunately for me they did not tag the vacuum lines and...


Here are the vacuum diagrams for a 1985 cadillac Eldorado to help assist you, there are two different vacuum diagrams for that year and engine depending on if the engine has a TVS (Thermal Vacuum Switch) or not. The "THERM AC" is to the
"Thermostatic Air Cleaner". Let me know if you require any further assistance.




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Jul 28, 2010 | 1985 Cadillac Eldorado

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What order do the wires go on the distributor cap


You didn't post your engine size so please use the appropriate diagram:


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GM (Cadillac) 250 (4.1L) V8 .GM (Cadillac) 273 (4.5L) V8 .GM (Oldsmobile) 307 (5.0L) V8 .GM (Oldsmobile) 350 (5.7L) V8 w/EFI.Engine firing order: 1-8-4-3-6-5-7-2 .Distributor rotation: counterclockwise



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GM (Buick) 252 (4.1L) V6 .Engine firing order: 1-6-5-4-3-2.Distributor rotation: clockwise



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GM (Cadillac) 368, 425, 472, 500 V8.Engine firing order: 1-5-6-3-4-2-7-8.Distributor rotation: clockwise



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GM (Cadillac) 429 V8.Engine firing order: 1-8-7-2-6-5-4-3.Distributor rotation: clockwise

May 12, 2010 | 1976 Cadillac Deville

1 Answer

I need vaccuum diagrams for a 1988 ford ranger V6 2.9 liter


Fig. 19: Vacuum hose routing-1989 2.3L EFI engines; calibration 9-50K-R00

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Fig. 20: Vacuum hose routing-1989 2.9L EFI engines; calibration 9-65F-R00

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Hope this help (remember rated this).

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Replacing spark plug wires on a 1981 cadilac eldarado. I m confuse where the wires go. i need diagram for replacing the wires. Its the 8-6-4 engine


Not sure what you mean by 8-6-4 but this will help you. Pick the correct one for your application:


53d6dfc.gif
GM (Cadillac) 250 (4.1L) V8 .GM (Cadillac) 273 (4.5L) V8 .GM (Oldsmobile) 307 (5.0L) V8 .GM (Oldsmobile) 350 (5.7L) V8 w/EFI.Engine firing order: 1-8-4-3-6-5-7-2 .Distributor rotation: counterclockwise


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GM (Cadillac) 368, 425, 472, 500 V8.Engine firing order: 1-5-6-3-4-2-7-8.Distributor rotation: clockwise



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GM (Cadillac) 429 V8.Engine firing order: 1-8-7-2-6-5-4-3.Distributor rotation: clockwise

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1 Answer

I NEED A VACUUM INE DIAGRAM FOR A 1986 FORD RANGER 2.9 EFI


Make sure that your truck vaccume line goes into the intake manifold where there is a vacuume spiggot at the base of the carb. You may have iadvertantly hooked it up to the wrong place.

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