• Can i use synthetic oil in northstar?
• E85 on northstar ???
• Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
• Where is the main engine to body ground?
• Help with PC0174 code
• Is it me, or are alot of N*s having cracked blocks
• Fuel Line Leak
• this is not an arguement thread for oil !
• Northstar shifting past redline
• Engine stopped at the end of an exit ramp Any IDEAS WHY?
• 95 northstar tranny
• Help Having A Heart Attack! P039 / TRanny?
• Engine Oil Myths including ZDP by GM
• Is It Possible To???
• Serpentine belt
• 1996 Deville parasitic drain and Starter Problems
• Sts engine has this knocking sound
• PC0327 - 96DeVille
• 93/94 engines
• hypothetically speaking
• Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
• How can u save gas on a 99 deville?
• What's involved to drop the oil pan?
• 1995 STS Cooling problems?
• Tell me about Force Motors/pressure control solenoids
• bottom end problems??
• Car runs hot but doesn't over heat
• please identify mystery black box 01 DTS
• High idle/ IAC clicking?
• I have a cracked block, what next?
• Blue/black Smoke only after Idle
• GM MAF sensor information and Discussion
• P0741 TCC Stuck ON, tried much, what next
• Heater Core Leak/ Need Some Help, Please
• 10w40 in N*
• 02 STS uses tons of oil
• Drive vs 3 What's better???
• Need help removing 99 STS northstar motor
• 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
• Headgasket Leaks & Repairs
• upgrading 94 concours
• RTV Silicone on Transmission Side Cover?
• Northstar Modifications
• D.I.Y. or not? OUTTA TOWN!
• HELP- Dropped a bolt in the intake valley
• Crankshaft position sensor
• Need Some Code Help 02 Seville
• 2002 deville/dhs engine trouble
• What Spark Plugs for a 1999 DeVille Northstar?
• Shift solonoid ?, not like in thread below
• 1994 DeVille Concourse
• Intake manifold crack?
• '98 STS valve cover
• engine compatibility
• misfire at idle
• What is the Northstar suppose to sound like?
• 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
• 1st time motor pull for HG on 99 N*, some questions
• Unbolting "beauty cover" on a 1999 Deville What GIVES
• What were the revisions to the Northstar in 2000?
• strange rumble sound during hard acceleration.
• Cam numbers?
• Engine stutter/punch
• Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
• top speed
• anyone ever use HEAL-A-SEAL
• royal purple on a N*
• 2002 STC - Front Engine Mount Broken
• Where is my IAT Sensor located? 99 sts
• 1997 Seville SLS
• IAC valve
• 2003 DHS - Sluggish - EGR?
• 2003 Sts 0-70
• Help with this code...97 Cadillac deville
• How can I clean the Mass Air Flow??
• Help my Cadillac Starts by itself
• Arizona Cadillac Owners Cheap Northstar Engine
• symptoms and cuases of headgasket
• 1999 Seville Ignition DTC Help!
• questions about PC0300 code on 96 deville
• Thanks for nothing, Northstar.
• Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
• Anyone know where I can find cheap o2 sensors?!
• Northstar Buick
• intermittent "hard start" when car at operating temp
• The End
• Does vacuum sound from Surge Tank equal head gaskets?
• 99 STS Turbo charged video
• 1998 Cadillac Deville overheating
• Crank sensor tech 95 sts
• 1st gear WOT
• P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
• valve seals
• P0300,p - Engine Misfire Detected 2002 deville, help please
• N* Runs Rough at Cold Start
• Oil (lots) in No. 2 cyl
• How long is your NS dipstick?
• Smoking Northstar?
• weep holes
• To Rebuild or not.
• How often do you WOT your north*?
• P0741 - TCC System Stuck Off
• new Delco spark plug wires installed
• N* programmer?
• 97 Deville No Longer Starts
• Bank 1 , 2 ??????
• Is it possible?
• Starter location
• 4T80E 3.11 to 3.71 swap
• Engine build
• 96 sts supercharger
• 2003 Deville with RWD
• Tranny problems?
• Questions, Questions, and more Questions
• 93 sts traction disabled
• Are headgasket issues getting more common lately?
• rental lincoln
• how to stay away from power loss
• '96 Sls: P1406: Egr
• 1998 Seville STS Chiptuning
• service manual
• New Engine...climate control issues.
• Changing brakes on 96 SLS
• PCV valve location 2003 Deville
• Coolant crossover photos
• 94 concours
• head
• No 1st Gear!!!
• SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
• Need help....PLZ!!
• so i got a few PCM codes
• GM's Veiw on Fuel and Oil Additives
• Possible Applications for Northstar?
• Starting issue
• How do I Reset the Change Oil Message?
• 99 SLS and Straight DexCool rather than 50/50
• so when i went to pull codes, it just said all
• help on my 99' seville sls
• Need Help Info On Where To Buy Rebuilt Engine
• T061 T083
• 97 SLS Motor Swap to an 03. Is it possible?
• New motor runs a lil hotter?
• Cheap Northstar in NH, 35,000 miles
• on the tranny subject
• Turbo Charged STS Cadillac
• Steering Wheel puff of smoke
• What is HOT for a blown head gasket
• o2 sensor question
• Talk about luck!!
• How long do you think caddy will keep the N*?
• Would this be a wise choice? [CAI] on a 184,000 mile northstar
• product question
• compatable parts
• 4.6 northstar fuel pressure?
• NorthStar swap wiring harness
• SS Fuel Rail Removal
• 150 miles in limp home mode
• just got my Plates
• Any problems trying 20W-50 in a '97?
• Do you use dealer for Northstar repairs?
• 99 STS blown head gasket. what to do??
• 1996 Cadillac DeVille NO CODES ????
• Ram Air! (Maybe)
• Type of engine?
• Engine code - EOP
• How can I drive 1000 miles with a coolant leak?
• How long do Northstar engines last?
• Beef up a 4.6L NStar?
• Oh shoot...need help ASAP...:(
• CKP Question for One of the Techs
• Invisible leak (coolant)
• Radiator Cooling Fans not running
• New 95' STS owner with tech question
• "break in" period for new Northstar engine
• tune up ,whats involved?
• Engine runs a bit rough during cold winter starts
• P119 - Shorted Fuel Injector Problem
• Crank sensor and PCM History
• High Oil Consumption, Pulled Headbolts, Blown Head Gaskets, Bars Leak, Unstable Temps
• '94 DeVille Concours North*
• Inserts
• Sts Running Terrible
• Another coolant/radiator/headgasket question
• After head gasket repair engine knocks
• recommended shop in Toronto/Kitchener area
• N* Injectors and Fuel Pressure Regulator
• Flushing Radiator
• transaxel fluid change
• 96 Cylinder head on 93 block
• transaxel filter
• My car has 121k on it..should I change the trany fluid?
• 2002 plentum leak
• Is there an easy way to change coolant?
• valve noise at startup
• 96 Eldorado ETC - Blown head gasket
• Breaking in a N*
• Another seafoam thread
• Was there more then one north* engine in 1998?
• 4T80-E Transmission Fluid Change - DONE!
• Blocks cracking on final head torque?

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