: Northstar Engines and System Technical Discussion



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  1. msd coil?
  2. very hard start in the cold on N*
  3. L37 or LD8 ????
  4. Need a reliable source for Northstar Torque specs
  5. Northstar Rod Spec's & 3.6L
  6. symptoms of bolt failure/lifted heads
  7. 99 Deville Northstar Overheating -wanting non contradicting answers
  8. 2000 DeVille Overheating Update
  9. Bad Alternator?
  10. 1996 Deville Troubleshoot update
  11. Fuel pressure regulator?
  12. IAC Counts
  13. Thermagasket Does It Work???
  14. Missed one connection
  15. Those Damn HEAD GASKETS
  16. LC3 FWD Swap?
  17. ? For Ewill or AJ
  18. looking for pictures of northstar valvetrain
  19. So, here are the symptoms, whats wrong
  20. Northstar Valvetrain Clatter
  21. 200 DeVille Blows hot air at low speed turns cold
  22. Could it be the Water Pump Knocking
  23. Can anyone tell me whats wrong?
  24. Front Valvetrain Clacking
  25. labor cost to replace o2 sensor????
  26. Difference between VIN Y and VIN 9
  27. Got Code P1415 Please Help
  28. 2000 Deville with northstar
  29. 1034-loss of PCM data
  30. Obd I P046
  31. Computer/wiring problems
  32. Need help on 98 Seville/Northstar
  33. New HG Installed on a 99, Pings on Start Up?
  34. Got my 05 Deville back from Dealer!! and extra part for sale.
  35. Need help - going to see a 98 Seville STS on Sat, what do I check?
  36. Sick Tranny?
  37. Engine Help!!!
  38. 2nd annual midwest meet !
  39. 2001 Cadillac SLS LD8 Bore-increase
  40. White Smoke coming from front of car
  41. !996 Deville help troubleshoot
  42. I have a question about cold startswith N*??
  43. How do you disable the traction control perm without having to press the button in...
  44. 94 N* EGR valve ?? Engine stumbles.
  45. P0121, P0507 High Idle???
  46. 94 ETC no shift, wont idle
  47. Looking for '98 ETC mods
  48. What's your preference for plugs and wires ?
  49. intake manifold exploded/hole after backfire??
  50. 95 STS Cooling System Quirks
  51. MSD ignition
  52. Idea for vehicle to do Northstar swap on.
  53. NEED HELP - HAVE CODES P1416 and P0101
  54. quote???
  55. FPR replacement on 94 N*
  56. torker
  57. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  58. Crankshaft & Cam sensors questions
  59. Why is my '96 Northstar now using oil?
  60. how to search forums..and cpk sensor question (2000 cadillac stalling)
  61. O2 Sensor Questions
  62. How can you tell if your HG's are shot?
  63. Rebuilt N*
  64. 97 STS vs. The drag strip
  65. 94 northstar starting problem
  66. Can i use synthetic oil in northstar?
  67. Getting Screwed
  68. Where is the main engine to body ground?
  69. white smoke n hp loss
  70. Is it me, or are alot of N*s having cracked blocks
  71. this is not an arguement thread for oil !
  72. 95 northstar tranny
  73. Is It Possible To???
  74. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  75. Serpentine belt
  76. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  77. Removing EGR on a'96 SLS
  78. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  79. Northstar shifting past redline
  80. 93/94 engines
  81. No Heat at Idle
  82. What's involved to drop the oil pan?
  83. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  84. Tell me about Force Motors/pressure control solenoids
  85. 99 Head Gasket Warranty?
  86. How can u save gas on a 99 deville?
  87. PC0327 - 96DeVille
  88. 1995 STS Cooling problems?
  89. Sts engine has this knocking sound
  90. Heater Core Leak/ Need Some Help, Please
  91. GM MAF sensor information and Discussion
  92. bottom end problems??
  93. Car runs hot but doesn't over heat
  94. Fuel Line Leak
  95. I have a cracked block, what next?
  96. RTV Silicone on Transmission Side Cover?
  97. hypothetically speaking
  98. 02 STS uses tons of oil
  99. Northstar Modifications
  100. 10w40 in N*
  101. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  102. upgrading 94 concours
  103. '98 STS valve cover
  104. HELP- Dropped a bolt in the intake valley
  105. Intake manifold crack?
  106. Need Some Code Help 02 Seville
  107. Crankshaft position sensor
  108. engine compatibility
  109. 1994 DeVille Concourse
  110. misfire at idle
  111. Need help removing 99 STS northstar motor
  112. 1st time motor pull for HG on 99 N*, some questions
  113. 97 Etc N* Head Gasket Project
  114. Headgasket Leaks & Repairs
  115. check coolant light on???
  116. High idle/ IAC clicking?
  117. HELP!! Fuel Rail Recall Problems 1996 Seville
  118. Engine stutter/punch
  119. P0741 TCC Stuck ON, tried much, what next
  120. What is the Northstar suppose to sound like?
  121. 2003 Sts 0-70
  122. IAC valve
  123. strange rumble sound during hard acceleration.
  124. 2002 STC - Front Engine Mount Broken
  125. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  126. Unbolting "beauty cover" on a 1999 Deville What GIVES
  127. Where is my IAT Sensor located? 99 sts
  128. 1997 Seville SLS
  129. Arizona Cadillac Owners Cheap Northstar Engine
  130. questions about PC0300 code on 96 deville
  131. Help with this code...97 Cadillac deville
  132. Drive vs 3 What's better???
  133. Cam numbers?
  134. What Spark Plugs for a 1999 DeVille Northstar?
  135. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  136. Engine Oil Myths including ZDP by GM
  137. anyone ever use HEAL-A-SEAL
  138. Does vacuum sound from Surge Tank equal head gaskets?
  139. 94 Northstar Flexplate knocking noice. HELP!!
  140. 2003 DHS - Sluggish - EGR?
  141. Whirring/grinding That's Speed Sensitive
  142. 2002 deville/dhs engine trouble
  143. How can I clean the Mass Air Flow??
  144. Thanks for nothing, Northstar.
  145. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  146. Crank sensor tech 95 sts
  147. 1st gear WOT
  148. The End
  149. 99 STS Turbo charged video
  150. valve seals
  151. 1999 Seville Ignition DTC Help!
  152. Smoking Northstar?
  153. How long is your NS dipstick?
  154. weep holes
  155. engine swap for a 2001 dts
  156. P0741 - TCC System Stuck Off
  157. new Delco spark plug wires installed
  158. 1998 Deville overheating
  159. Help Having A Heart Attack! P039 / TRanny?
  160. N* programmer?
  161. Is it possible?
  162. Northstar Buick
  163. N* Runs Rough at Cold Start
  164. Bank 1 , 2 ??????
  165. Engine build
  166. P0300,p - Engine Misfire Detected 2002 deville, help please
  167. 2003 Deville with RWD
  168. Starter location
  169. Questions, Questions, and more Questions
  170. 93 sts traction disabled
  171. rental lincoln
  172. how to stay away from power loss
  173. 96 sts supercharger
  174. Are headgasket issues getting more common lately?
  175. 1998 Seville STS Chiptuning
  176. Tranny problems?
  177. Northstar Dyno Registry
  178. New Engine...climate control issues.
  179. Cryogenics
  180. My Photo Essay N* Head Gasket Repair Job
  181. Custom intake and nitrous
  182. 94 concours
  183. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  184. service manual
  185. Possible Applications for Northstar?
  186. Need help....PLZ!!
  187. so i got a few PCM codes
  188. GM's Veiw on Fuel and Oil Additives
  189. How do I Reset the Change Oil Message?
  190. so when i went to pull codes, it just said all
  191. T061 T083
  192. 97 Deville No Longer Starts
  193. help on my 99' seville sls
  194. Starting issue
  195. 97 SLS Motor Swap to an 03. Is it possible?
  196. head
  197. 99 SLS and Straight DexCool rather than 50/50
  198. No 1st Gear!!!
  199. Cheap Northstar in NH, 35,000 miles
  200. Steering Wheel puff of smoke
  201. on the tranny subject
  202. Talk about luck!!
  203. New motor runs a lil hotter?
  204. o2 sensor question
  205. What is HOT for a blown head gasket
  206. Need Help Info On Where To Buy Rebuilt Engine
  207. compatable parts
  208. NorthStar swap wiring harness
  209. product question
  210. How long do you think caddy will keep the N*?
  211. SS Fuel Rail Removal
  212. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  213. E85 on northstar ???
  214. just got my Plates
  215. 1996 Cadillac DeVille NO CODES ????
  216. Engine code - EOP
  217. Type of engine?
  218. Turbo Charged STS Cadillac
  219. Northstar Cam specs
  220. How can I drive 1000 miles with a coolant leak?
  221. To Rebuild or not.
  222. Do you use dealer for Northstar repairs?
  223. How long do Northstar engines last?
  224. 4.6 northstar fuel pressure?
  225. 150 miles in limp home mode
  226. CKP Question for One of the Techs
  227. Any problems trying 20W-50 in a '97?
  228. New 95' STS owner with tech question
  229. tune up ,whats involved?
  230. Oh shoot...need help ASAP...:(
  231. Radiator Cooling Fans not running
  232. Ram Air! (Maybe)
  233. Engine runs a bit rough during cold winter starts
  234. "break in" period for new Northstar engine
  235. How many miles to you get per tankfull with your north*?
  236. Inserts
  237. GM now offers Premium Remanufactured 4.6L Northstar
  238. 00 to 03 engine in a 98 or 99 Seville.
  239. recommended shop in Toronto/Kitchener area
  240. After head gasket repair engine knocks
  241. transaxel fluid change
  242. N* Injectors and Fuel Pressure Regulator
  243. transaxel filter
  244. 2002 plentum leak
  245. Sts Running Terrible
  246. 96 Cylinder head on 93 block
  247. My car has 121k on it..should I change the trany fluid?
  248. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  249. valve noise at startup
  250. Breaking in a N*