Question about 1989 Cadillac Sedan DeVille

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Emissons Control 1989 Cadillac Deville I am looking for a parts store that will sell an Air Injection Reactor . I live in Peterborough, Ontario, Canada can you recommend a store in my area or surrounding area.

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    yadayada May 11, 2010

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Doubtful that canadian tire would have that item... you may have to go the auto junk/recycling/wrecker route.


Posted on Sep 24, 2008

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What is OBD code po4 18 on a 2004 Cadillac deville

P0418 Secondary Air Injection System Relay "A" Circuit Malfunction

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May 22, 2015 | 2004 Cadillac Deville

1 Answer

On a 1989 cadillac sedan deville what size is the socket to take the axle nut and what is the lenght of the socket

85-91 is 36mm for front axle nut. its just a standard axle nut socket. good-day! but the auto parts store will tell you the size if you buy one there.

Jan 13, 2012 | 1989 Cadillac Sedan DeVille

1 Answer


p0412 Secondary air injection switching valve A circuit
Right side of engine compartiment. ( underhood fuse block )
- Air pump fuse 50A- Air control valve relay- ignition1 fuse 10A ( positive for the relay )The secondary air injection pump relay is located near radiator surge tank.Left front of engine compartiment = Secondary air injection pump

Nov 15, 2011 | 2002 Cadillac Deville

1 Answer

Where do I get freon for my '89 DeVille?

Any good parts store can sell you conversion kit to convert it from the old stuff (Freon 12) to the new 134. You might still be able to find old stuff but it's outrageously expensive (and currently illegal)

Feb 25, 2011 | 1989 Cadillac Sedan DeVille

1 Answer

How do i bleed air from my coolant system ,92 cadillac deville,4.9 liter

bleeder valve auto parts store sells book for your car not expensive book tells you right where it is and step by step

Dec 05, 2010 | 1992 Cadillac Seville

1 Answer

Engine light stays on all the time . i was told the air injection reactor ( air ) solenoid or pump could be bad. where are they located on my 2005 envoy.

Before you start replacing parts and wasting money make sure and get the codes checked.If you just replace a part cause someone told you this could be the problem you can spend a lot of money and not get the problem fixed.Get the codes and then post back and I`ll be glad to help you find the problem.You can get them checked free at most parts stores.They might try to sell you a part for that code.Be patient and post back with the code and I`ll be glad to help.Good luck.

Mar 29, 2010 | 2005 GMC Envoy

1 Answer

I need a diagram showing me how to replace a serpentine belt bypassing the ac converter?

On many cars, you can go to the auto parts store and buy a belt for a non air conditioned model of a particular car. Unfortunately, it won't be that simple for you, as they didn't sell a Deville without Air Conditioning.
Your best bet is to go to your local auto parts store, and see if they can find a comparable GM engine in another model that was sold without Air, and buy a belt for that particular model.

Dec 03, 2009 | 1995 Cadillac DeVille

5 Answers

Find free online repair manual for 1989 cadillac deville

i have a 1989 cadillac deville 2 door front wheel drive i just changed the fuel filter in it and i pour fuel injection cleaner in the gas tank. when i pour gas in the carberator it gives a little start to the car and it started the car but it wont stay on. i just bought a new battery for it but i havent tried it out yet just because the positive wire going to the battery was bad so i cut the wire and gonna put a new wire for it do you have any suggestions what is wrong with it. it has been sitting for a couple years.......and it does start it just turns over......

Aug 29, 2009 | 1989 Cadillac Sedan DeVille

1 Answer

Ac/heater control module

I have a 1989 Olds 98 Reg. Bro. I have recently located my ac control module under the hood on the firewall. removing it should take about 20 mins depending on whats in the way. but to cost to replace is the kicker. I found the part @ NAPA for $240.00. may i suggest and look under parts for your car or one like it. the car made like mine would be a 1989 Cadillac DeVille. I hope this helps.

Jun 08, 2009 | 1998 Cadillac DeVille

1 Answer

TPS voltage readings

This requires a certain operation to set. If you really need to know reply and I can help.

Oct 13, 2008 | 1989 Cadillac Sedan DeVille

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