: Northstar Engines and System Technical Discussion



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  1. quote???
  2. FPR replacement on 94 N*
  3. torker
  4. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  5. Crankshaft & Cam sensors questions
  6. Why is my '96 Northstar now using oil?
  7. how to search forums..and cpk sensor question (2000 cadillac stalling)
  8. O2 Sensor Questions
  9. How can you tell if your HG's are shot?
  10. Rebuilt N*
  11. 97 STS vs. The drag strip
  12. 94 northstar starting problem
  13. Can i use synthetic oil in northstar?
  14. Getting Screwed
  15. Where is the main engine to body ground?
  16. white smoke n hp loss
  17. Is it me, or are alot of N*s having cracked blocks
  18. this is not an arguement thread for oil !
  19. 95 northstar tranny
  20. Is It Possible To???
  21. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  22. Serpentine belt
  23. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  24. Removing EGR on a'96 SLS
  25. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  26. Northstar shifting past redline
  27. 93/94 engines
  28. No Heat at Idle
  29. What's involved to drop the oil pan?
  30. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  31. Tell me about Force Motors/pressure control solenoids
  32. 99 Head Gasket Warranty?
  33. How can u save gas on a 99 deville?
  34. PC0327 - 96DeVille
  35. 1995 STS Cooling problems?
  36. Sts engine has this knocking sound
  37. Heater Core Leak/ Need Some Help, Please
  38. GM MAF sensor information and Discussion
  39. bottom end problems??
  40. Car runs hot but doesn't over heat
  41. Fuel Line Leak
  42. I have a cracked block, what next?
  43. RTV Silicone on Transmission Side Cover?
  44. hypothetically speaking
  45. 02 STS uses tons of oil
  46. Northstar Modifications
  47. 10w40 in N*
  48. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  49. upgrading 94 concours
  50. '98 STS valve cover
  51. HELP- Dropped a bolt in the intake valley
  52. Intake manifold crack?
  53. Need Some Code Help 02 Seville
  54. Crankshaft position sensor
  55. engine compatibility
  56. 1994 DeVille Concourse
  57. misfire at idle
  58. Need help removing 99 STS northstar motor
  59. 1st time motor pull for HG on 99 N*, some questions
  60. 97 Etc N* Head Gasket Project
  61. Headgasket Leaks & Repairs
  62. check coolant light on???
  63. High idle/ IAC clicking?
  64. HELP!! Fuel Rail Recall Problems 1996 Seville
  65. Engine stutter/punch
  66. P0741 TCC Stuck ON, tried much, what next
  67. What is the Northstar suppose to sound like?
  68. 2003 Sts 0-70
  69. IAC valve
  70. strange rumble sound during hard acceleration.
  71. 2002 STC - Front Engine Mount Broken
  72. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  73. Unbolting "beauty cover" on a 1999 Deville What GIVES
  74. Where is my IAT Sensor located? 99 sts
  75. 1997 Seville SLS
  76. Arizona Cadillac Owners Cheap Northstar Engine
  77. questions about PC0300 code on 96 deville
  78. Help with this code...97 Cadillac deville
  79. Drive vs 3 What's better???
  80. Cam numbers?
  81. What Spark Plugs for a 1999 DeVille Northstar?
  82. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  83. Engine Oil Myths including ZDP by GM
  84. anyone ever use HEAL-A-SEAL
  85. Does vacuum sound from Surge Tank equal head gaskets?
  86. 94 Northstar Flexplate knocking noice. HELP!!
  87. 2003 DHS - Sluggish - EGR?
  88. Whirring/grinding That's Speed Sensitive
  89. 2002 deville/dhs engine trouble
  90. How can I clean the Mass Air Flow??
  91. Thanks for nothing, Northstar.
  92. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  93. Crank sensor tech 95 sts
  94. 1st gear WOT
  95. The End
  96. 99 STS Turbo charged video
  97. valve seals
  98. 1999 Seville Ignition DTC Help!
  99. Smoking Northstar?
  100. How long is your NS dipstick?
  101. weep holes
  102. engine swap for a 2001 dts
  103. P0741 - TCC System Stuck Off
  104. new Delco spark plug wires installed
  105. 1998 Deville overheating
  106. Help Having A Heart Attack! P039 / TRanny?
  107. N* programmer?
  108. Is it possible?
  109. Northstar Buick
  110. N* Runs Rough at Cold Start
  111. Bank 1 , 2 ??????
  112. Engine build
  113. P0300,p - Engine Misfire Detected 2002 deville, help please
  114. 2003 Deville with RWD
  115. Starter location
  116. Questions, Questions, and more Questions
  117. 93 sts traction disabled
  118. rental lincoln
  119. how to stay away from power loss
  120. 96 sts supercharger
  121. Are headgasket issues getting more common lately?
  122. 1998 Seville STS Chiptuning
  123. Tranny problems?
  124. Northstar Dyno Registry
  125. New Engine...climate control issues.
  126. Cryogenics
  127. My Photo Essay N* Head Gasket Repair Job
  128. Custom intake and nitrous
  129. 94 concours
  130. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  131. service manual
  132. Possible Applications for Northstar?
  133. Need help....PLZ!!
  134. so i got a few PCM codes
  135. GM's Veiw on Fuel and Oil Additives
  136. How do I Reset the Change Oil Message?
  137. so when i went to pull codes, it just said all
  138. T061 T083
  139. 97 Deville No Longer Starts
  140. help on my 99' seville sls
  141. Starting issue
  142. 97 SLS Motor Swap to an 03. Is it possible?
  143. head
  144. 99 SLS and Straight DexCool rather than 50/50
  145. No 1st Gear!!!
  146. Cheap Northstar in NH, 35,000 miles
  147. Steering Wheel puff of smoke
  148. on the tranny subject
  149. Talk about luck!!
  150. New motor runs a lil hotter?
  151. o2 sensor question
  152. What is HOT for a blown head gasket
  153. Need Help Info On Where To Buy Rebuilt Engine
  154. compatable parts
  155. NorthStar swap wiring harness
  156. product question
  157. How long do you think caddy will keep the N*?
  158. SS Fuel Rail Removal
  159. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  160. E85 on northstar ???
  161. just got my Plates
  162. 1996 Cadillac DeVille NO CODES ????
  163. Engine code - EOP
  164. Type of engine?
  165. Turbo Charged STS Cadillac
  166. Northstar Cam specs
  167. How can I drive 1000 miles with a coolant leak?
  168. To Rebuild or not.
  169. Do you use dealer for Northstar repairs?
  170. How long do Northstar engines last?
  171. 4.6 northstar fuel pressure?
  172. 150 miles in limp home mode
  173. CKP Question for One of the Techs
  174. Any problems trying 20W-50 in a '97?
  175. New 95' STS owner with tech question
  176. tune up ,whats involved?
  177. Oh shoot...need help ASAP...:(
  178. Radiator Cooling Fans not running
  179. Ram Air! (Maybe)
  180. Engine runs a bit rough during cold winter starts
  181. "break in" period for new Northstar engine
  182. How many miles to you get per tankfull with your north*?
  183. Inserts
  184. GM now offers Premium Remanufactured 4.6L Northstar
  185. 00 to 03 engine in a 98 or 99 Seville.
  186. recommended shop in Toronto/Kitchener area
  187. After head gasket repair engine knocks
  188. transaxel fluid change
  189. N* Injectors and Fuel Pressure Regulator
  190. transaxel filter
  191. 2002 plentum leak
  192. Sts Running Terrible
  193. 96 Cylinder head on 93 block
  194. My car has 121k on it..should I change the trany fluid?
  195. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  196. valve noise at startup
  197. Breaking in a N*
  198. Invisible leak (coolant)
  199. Another seafoam thread
  200. Is there an easy way to change coolant?
  201. what is considered normal coolant temperture for a north*?
  202. please identify mystery black box 01 DTS
  203. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  204. Flushing Radiator
  205. Are there any worthwhile performance mods for the 98 north*?
  206. Was there more then one north* engine in 1998?
  207. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  208. Northstar Air Consumption.
  209. Eldo Gone....
  210. 4T80-E Transmission Fluid Change - DONE!
  211. P119 - Shorted Fuel Injector Problem
  212. How often do you WOT your north*?
  213. Before i go to beat the crap outta my car - WOT cleaning
  214. denso wires ???
  215. timeserts -so do these things prevent bad head gaskets
  216. Northstar 32 valve good for swap-out?
  217. '94 sts.. ignition coils, ignition control module?
  218. Car will not turn over....
  219. Has anyone ever got the P0741 code?
  220. Are there any good oil additives to add...
  221. I read a post about top tier gasoline....
  222. '95 Concours hard starting when it's cold outside
  223. my service engine soon light is on
  224. bad idea to use 87 octane?
  225. royal purple on a N*
  226. 03 n* and trans in a 99 SLS
  227. What gives the Northstar its "whirring" sound at idle?
  228. 96 sts starter problems, questions?
  229. How would i get a custom pcm?
  230. Beef up a 4.6L NStar?
  231. squeeky serpatine belt *new belt and tensioner*
  232. N* performance
  233. what year was it?
  234. opinions on high flow cats
  235. Gasoline Consumption question
  236. Looking for a Timesert Kit
  237. Engine Performance mods 95 STS
  238. Which oil i need for my 96 eldorado????
  239. How long should I let the N* warm up in the morning?
  240. Timesert Kits?
  241. 1997 SLS (overheating)
  242. Changing brakes on 96 SLS
  243. 2000 dts northstar reliabilty
  244. 2002 ETC Collector-mobile.
  245. What's the difference between the STS and SLS engines?
  246. Internal Mods For Northstar
  247. 99 to 00+ swap differences
  248. stuttering at idle
  249. 1999 Cadillac STS love/hate relationship...
  250. Free Northstar Engine