: Northstar Engines and System Technical Discussion



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  1. 95 northstar tranny
  2. Is It Possible To???
  3. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  4. Serpentine belt
  5. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  6. Removing EGR on a'96 SLS
  7. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  8. Northstar shifting past redline
  9. 93/94 engines
  10. No Heat at Idle
  11. What's involved to drop the oil pan?
  12. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  13. Tell me about Force Motors/pressure control solenoids
  14. 99 Head Gasket Warranty?
  15. How can u save gas on a 99 deville?
  16. PC0327 - 96DeVille
  17. 1995 STS Cooling problems?
  18. Sts engine has this knocking sound
  19. Heater Core Leak/ Need Some Help, Please
  20. GM MAF sensor information and Discussion
  21. bottom end problems??
  22. Car runs hot but doesn't over heat
  23. Fuel Line Leak
  24. I have a cracked block, what next?
  25. RTV Silicone on Transmission Side Cover?
  26. hypothetically speaking
  27. 02 STS uses tons of oil
  28. Northstar Modifications
  29. 10w40 in N*
  30. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  31. upgrading 94 concours
  32. '98 STS valve cover
  33. HELP- Dropped a bolt in the intake valley
  34. Intake manifold crack?
  35. Need Some Code Help 02 Seville
  36. Crankshaft position sensor
  37. engine compatibility
  38. 1994 DeVille Concourse
  39. misfire at idle
  40. Need help removing 99 STS northstar motor
  41. 1st time motor pull for HG on 99 N*, some questions
  42. 97 Etc N* Head Gasket Project
  43. Headgasket Leaks & Repairs
  44. check coolant light on???
  45. High idle/ IAC clicking?
  46. HELP!! Fuel Rail Recall Problems 1996 Seville
  47. Engine stutter/punch
  48. P0741 TCC Stuck ON, tried much, what next
  49. What is the Northstar suppose to sound like?
  50. 2003 Sts 0-70
  51. IAC valve
  52. strange rumble sound during hard acceleration.
  53. 2002 STC - Front Engine Mount Broken
  54. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  55. Unbolting "beauty cover" on a 1999 Deville What GIVES
  56. Where is my IAT Sensor located? 99 sts
  57. 1997 Seville SLS
  58. Arizona Cadillac Owners Cheap Northstar Engine
  59. questions about PC0300 code on 96 deville
  60. Help with this code...97 Cadillac deville
  61. Drive vs 3 What's better???
  62. Cam numbers?
  63. What Spark Plugs for a 1999 DeVille Northstar?
  64. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  65. Engine Oil Myths including ZDP by GM
  66. anyone ever use HEAL-A-SEAL
  67. Does vacuum sound from Surge Tank equal head gaskets?
  68. 94 Northstar Flexplate knocking noice. HELP!!
  69. 2003 DHS - Sluggish - EGR?
  70. Whirring/grinding That's Speed Sensitive
  71. 2002 deville/dhs engine trouble
  72. How can I clean the Mass Air Flow??
  73. Thanks for nothing, Northstar.
  74. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  75. Crank sensor tech 95 sts
  76. 1st gear WOT
  77. The End
  78. 99 STS Turbo charged video
  79. valve seals
  80. 1999 Seville Ignition DTC Help!
  81. Smoking Northstar?
  82. How long is your NS dipstick?
  83. weep holes
  84. engine swap for a 2001 dts
  85. P0741 - TCC System Stuck Off
  86. new Delco spark plug wires installed
  87. 1998 Deville overheating
  88. Help Having A Heart Attack! P039 / TRanny?
  89. N* programmer?
  90. Is it possible?
  91. Northstar Buick
  92. N* Runs Rough at Cold Start
  93. Bank 1 , 2 ??????
  94. Engine build
  95. P0300,p - Engine Misfire Detected 2002 deville, help please
  96. 2003 Deville with RWD
  97. Starter location
  98. Questions, Questions, and more Questions
  99. 93 sts traction disabled
  100. rental lincoln
  101. how to stay away from power loss
  102. 96 sts supercharger
  103. Are headgasket issues getting more common lately?
  104. 1998 Seville STS Chiptuning
  105. Tranny problems?
  106. Northstar Dyno Registry
  107. New Engine...climate control issues.
  108. Cryogenics
  109. My Photo Essay N* Head Gasket Repair Job
  110. Custom intake and nitrous
  111. 94 concours
  112. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  113. service manual
  114. Possible Applications for Northstar?
  115. Need help....PLZ!!
  116. so i got a few PCM codes
  117. GM's Veiw on Fuel and Oil Additives
  118. How do I Reset the Change Oil Message?
  119. so when i went to pull codes, it just said all
  120. T061 T083
  121. 97 Deville No Longer Starts
  122. help on my 99' seville sls
  123. Starting issue
  124. 97 SLS Motor Swap to an 03. Is it possible?
  125. head
  126. 99 SLS and Straight DexCool rather than 50/50
  127. No 1st Gear!!!
  128. Cheap Northstar in NH, 35,000 miles
  129. Steering Wheel puff of smoke
  130. on the tranny subject
  131. Talk about luck!!
  132. New motor runs a lil hotter?
  133. o2 sensor question
  134. What is HOT for a blown head gasket
  135. Need Help Info On Where To Buy Rebuilt Engine
  136. compatable parts
  137. NorthStar swap wiring harness
  138. product question
  139. How long do you think caddy will keep the N*?
  140. SS Fuel Rail Removal
  141. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  142. E85 on northstar ???
  143. just got my Plates
  144. 1996 Cadillac DeVille NO CODES ????
  145. Engine code - EOP
  146. Type of engine?
  147. Turbo Charged STS Cadillac
  148. Northstar Cam specs
  149. How can I drive 1000 miles with a coolant leak?
  150. To Rebuild or not.
  151. Do you use dealer for Northstar repairs?
  152. How long do Northstar engines last?
  153. 4.6 northstar fuel pressure?
  154. 150 miles in limp home mode
  155. CKP Question for One of the Techs
  156. Any problems trying 20W-50 in a '97?
  157. New 95' STS owner with tech question
  158. tune up ,whats involved?
  159. Oh shoot...need help ASAP...:(
  160. Radiator Cooling Fans not running
  161. Ram Air! (Maybe)
  162. Engine runs a bit rough during cold winter starts
  163. "break in" period for new Northstar engine
  164. How many miles to you get per tankfull with your north*?
  165. Inserts
  166. GM now offers Premium Remanufactured 4.6L Northstar
  167. 00 to 03 engine in a 98 or 99 Seville.
  168. recommended shop in Toronto/Kitchener area
  169. After head gasket repair engine knocks
  170. transaxel fluid change
  171. N* Injectors and Fuel Pressure Regulator
  172. transaxel filter
  173. 2002 plentum leak
  174. Sts Running Terrible
  175. 96 Cylinder head on 93 block
  176. My car has 121k on it..should I change the trany fluid?
  177. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  178. valve noise at startup
  179. Breaking in a N*
  180. Invisible leak (coolant)
  181. Another seafoam thread
  182. Is there an easy way to change coolant?
  183. what is considered normal coolant temperture for a north*?
  184. please identify mystery black box 01 DTS
  185. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  186. Flushing Radiator
  187. Are there any worthwhile performance mods for the 98 north*?
  188. Was there more then one north* engine in 1998?
  189. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  190. Northstar Air Consumption.
  191. Eldo Gone....
  192. 4T80-E Transmission Fluid Change - DONE!
  193. P119 - Shorted Fuel Injector Problem
  194. How often do you WOT your north*?
  195. Before i go to beat the crap outta my car - WOT cleaning
  196. denso wires ???
  197. timeserts -so do these things prevent bad head gaskets
  198. Northstar 32 valve good for swap-out?
  199. '94 sts.. ignition coils, ignition control module?
  200. Car will not turn over....
  201. Has anyone ever got the P0741 code?
  202. Are there any good oil additives to add...
  203. I read a post about top tier gasoline....
  204. '95 Concours hard starting when it's cold outside
  205. my service engine soon light is on
  206. bad idea to use 87 octane?
  207. royal purple on a N*
  208. 03 n* and trans in a 99 SLS
  209. What gives the Northstar its "whirring" sound at idle?
  210. 96 sts starter problems, questions?
  211. How would i get a custom pcm?
  212. Beef up a 4.6L NStar?
  213. squeeky serpatine belt *new belt and tensioner*
  214. N* performance
  215. what year was it?
  216. opinions on high flow cats
  217. Gasoline Consumption question
  218. Looking for a Timesert Kit
  219. Engine Performance mods 95 STS
  220. Which oil i need for my 96 eldorado????
  221. How long should I let the N* warm up in the morning?
  222. Timesert Kits?
  223. 1997 SLS (overheating)
  224. Changing brakes on 96 SLS
  225. 2000 dts northstar reliabilty
  226. 2002 ETC Collector-mobile.
  227. What's the difference between the STS and SLS engines?
  228. Internal Mods For Northstar
  229. 99 to 00+ swap differences
  230. stuttering at idle
  231. 1999 Cadillac STS love/hate relationship...
  232. Free Northstar Engine
  233. Help the new guy make a good decision
  234. High Performance Head Gaskets?
  235. Parts ID
  236. Not run for 6 years, what would you do?
  237. 00 PCM on a 99 engine
  238. Blown Headgasket
  239. Aluminum Block porisity
  240. Its Alive
  241. oil life monitor problem
  242. P094 limp mode, no overdrive
  243. Valve Stem Seal Puller
  244. Homemade Valve Spring Compressor
  245. What Should I Pay For Eibachs?
  246. Trans Fluid/Filter change and Coolant drain/refill...
  247. Randomly Creeping High Idle Problem
  248. Stock spark plug wires, 7 or 8 mm?
  249. transmission oil looks dark :S
  250. how many cubic inches