Question about 2000 Cadillac DeVille

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Ihave a1997 Deville with a 4.6 Northstar. The engine timing chain jumped. Replaced them. Engine ok at speed. but returning to idle, makes a clunking sound every once in a while.obd2 says random misfire. Is it possible to bend a valve when engine is out of time? augjamloco@yhaoo.com

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Call cadillac ask them if it is a non-interference motor. if it is you answer is no on the other hand a interference, motor can sustain valve damage. good question maybe compression check

shack

Posted on Apr 16, 2009

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How to check coil packs and spark plugs wire with a multimeter. ..having random/ multiple misfire P0300...need to know their spec? 97 Cadillac Deville, 4.6 engine/Northstar


I don't think you really understand what this fault code means, it means that likely all the engine cylinders are misfiring at random no set pattern, not any particular cylinder. I would start with checking for engine vacuum leaks like the intake manifold gasket. that is all I can say since you provided no make, model or year and engine type and size information.

Sep 21, 2016 | 1997 Cadillac DeVille

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Have a 98 deville northstar engine. When I put on the brake there is a clunking sound. Just had new brakes, rotors put on


make sure calipers are tight to their brackets. seen alot of mechanics leave these 2 bolts loose and the clunk u hear is the caliper smacking back n fourth when you hit brake. check that as well as making sure wheels are tight.

Feb 16, 2013 | 1998 Cadillac DeVille

1 Answer

I have been advsed that I have a broken timing belt or "jumped timing chain.Besides the belt/chain, what other components do you recommend replacing(Gasket/seal,cam and crank pulleys,tensioners)?


I am assuming you have the 2.2L 4 cylinder engine. The timing chain tensioner on these engines is nororious for failure resulting in jumped timing. Be advised that depending upon the situation, you may have sustained major engine damage. If the timing simply jumped when turning the engine off, you may be safe, but if it occurred at highway speed, there is a high probability that there is valve damage in the engine that will need repair before you can move on to the timing chain and tensioner. As far as "other components", if your know that the head is ok, then you should replace the timing gears, chain, and tensioner. Also purchase a "timing gasket set" which will give you the gaskets ans seals you need to do the job.

Jun 24, 2011 | 1997 Chevrolet Cavalier

2 Answers

My 2000 cadillac deville keep running hot when i drive it.the coolant shoots out the coolant tank when i open it.i changed the radiator and the thermostat.i don't think a head is blown cause it dosen't...


OK, check that the 2 fans are turning on when it gets to operating temperature. If not, replace the 3 or so relays that control the two speed fans on your car.If that doesn't solve the problem, then you may have to buy new fan motors and also have the harness replaced if necessary to make it cool reliably.

I had this problem on a 1997 Cadillac Deville Limousine that overheated over 157 deg. F and went into its limp mode for cooling the engine off by allowing 1/2 of the cylinders to circulate fresh air into the engine in case all antifreeze would leak out or the car would overheat.

Don't run the Northstar engine too long, more than 45 min. at a time in this limp mode.

Good luck on this repair of your Northstar Engine.

Jan 02, 2011 | 2000 Cadillac DeVille

1 Answer

How to set the timing on a1997 4.6 deville


There isn't any set timing procedure on the northstar engine, the engine control module uses information from various sensors and adjusts the timing for the present conditions. There are 3 spark curves in the module to adjust timing for the grade of fuel being used.

Oct 08, 2010 | 1997 Cadillac DeVille

2 Answers

When does the timing belt need to be changed on a 2001 Cadillac Deville with a Northstar engine?


The northstar engine uses chain driven cams that eliminates the need to replace timing belts.
Thank you and enjoy,
Lee

Aug 09, 2010 | 2001 Cadillac DeVille

1 Answer

Overheating,eveything looks ok.


I have a 97 Cadillac Deville with a northstar engine and have replaced it twice so far, so i answer this by experience...i've noticed to my two prior engines that went bad that the normal temp should NOT EXCEED 228 (normal), the red overheating light will come on at 250 and at 260 it will beep and tell you to stop engine - idle engine and will begin to smoke (overheat).

I hope this helps you and anyone else...by the way if your asking why did i replace my engine twice is simply because my cadillac is super clean inside and out, immaculate condition.

Apr 15, 2009 | 1997 Cadillac DeVille

1 Answer

SETTING TIMING ON 2000 NORTHSTAR ENGINE


Setting the camshaft timing isnecessary whenever the camshaft drive system has been disturbed,meaning the relationship between any chain and sprocket has been lost.Correct timing exists when the crankshaft and intermediate shaftsprocket timing marks are in alignment and all 4 camshaft drive pinsare perpendicular (90 degrees) to the cylinder head surface.

degrees) to the cylinder head surface. 0900c152800a57af.jpg I hope this helps, if not let me know
moz-screenshot.jpg

Nov 12, 2008 | 2000 Cadillac DeVille

1 Answer

94 toyota 4x4 5 speed 4 cyl 22re engine


Get the timing checked. If it is off over 5-8 degrees, you may have a timing chain that has jumped a tooth. This is a common issue with the 22 RE with high mileage. Let me ask you this, and this may narrow down my solution...Is there a slight "rapping noise" in the front of the engine? If so, the timing chain guids may be worn or broken. Get the timing checked, and advise me of the findings.

Sep 20, 2008 | 1994 Toyota Pickup

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