: Northstar Engines and System Technical Discussion



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  1. Smoking Northstar?
  2. How long is your NS dipstick?
  3. weep holes
  4. engine swap for a 2001 dts
  5. P0741 - TCC System Stuck Off
  6. new Delco spark plug wires installed
  7. 1998 Deville overheating
  8. Help Having A Heart Attack! P039 / TRanny?
  9. N* programmer?
  10. Is it possible?
  11. Northstar Buick
  12. N* Runs Rough at Cold Start
  13. Bank 1 , 2 ??????
  14. Engine build
  15. P0300,p - Engine Misfire Detected 2002 deville, help please
  16. 2003 Deville with RWD
  17. Starter location
  18. Questions, Questions, and more Questions
  19. 93 sts traction disabled
  20. rental lincoln
  21. how to stay away from power loss
  22. 96 sts supercharger
  23. Are headgasket issues getting more common lately?
  24. 1998 Seville STS Chiptuning
  25. Tranny problems?
  26. Northstar Dyno Registry
  27. New Engine...climate control issues.
  28. Cryogenics
  29. My Photo Essay N* Head Gasket Repair Job
  30. Custom intake and nitrous
  31. 94 concours
  32. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  33. service manual
  34. Possible Applications for Northstar?
  35. Need help....PLZ!!
  36. so i got a few PCM codes
  37. GM's Veiw on Fuel and Oil Additives
  38. How do I Reset the Change Oil Message?
  39. so when i went to pull codes, it just said all
  40. T061 T083
  41. 97 Deville No Longer Starts
  42. help on my 99' seville sls
  43. Starting issue
  44. 97 SLS Motor Swap to an 03. Is it possible?
  45. head
  46. 99 SLS and Straight DexCool rather than 50/50
  47. No 1st Gear!!!
  48. Cheap Northstar in NH, 35,000 miles
  49. Steering Wheel puff of smoke
  50. on the tranny subject
  51. Talk about luck!!
  52. New motor runs a lil hotter?
  53. o2 sensor question
  54. What is HOT for a blown head gasket
  55. Need Help Info On Where To Buy Rebuilt Engine
  56. compatable parts
  57. NorthStar swap wiring harness
  58. product question
  59. How long do you think caddy will keep the N*?
  60. SS Fuel Rail Removal
  61. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  62. E85 on northstar ???
  63. just got my Plates
  64. 1996 Cadillac DeVille NO CODES ????
  65. Engine code - EOP
  66. Type of engine?
  67. Turbo Charged STS Cadillac
  68. Northstar Cam specs
  69. How can I drive 1000 miles with a coolant leak?
  70. To Rebuild or not.
  71. Do you use dealer for Northstar repairs?
  72. How long do Northstar engines last?
  73. 4.6 northstar fuel pressure?
  74. 150 miles in limp home mode
  75. CKP Question for One of the Techs
  76. Any problems trying 20W-50 in a '97?
  77. New 95' STS owner with tech question
  78. tune up ,whats involved?
  79. Oh shoot...need help ASAP...:(
  80. Radiator Cooling Fans not running
  81. Ram Air! (Maybe)
  82. Engine runs a bit rough during cold winter starts
  83. "break in" period for new Northstar engine
  84. How many miles to you get per tankfull with your north*?
  85. Inserts
  86. GM now offers Premium Remanufactured 4.6L Northstar
  87. 00 to 03 engine in a 98 or 99 Seville.
  88. recommended shop in Toronto/Kitchener area
  89. After head gasket repair engine knocks
  90. transaxel fluid change
  91. N* Injectors and Fuel Pressure Regulator
  92. transaxel filter
  93. 2002 plentum leak
  94. Sts Running Terrible
  95. 96 Cylinder head on 93 block
  96. My car has 121k on it..should I change the trany fluid?
  97. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  98. valve noise at startup
  99. Breaking in a N*
  100. Invisible leak (coolant)
  101. Another seafoam thread
  102. Is there an easy way to change coolant?
  103. what is considered normal coolant temperture for a north*?
  104. please identify mystery black box 01 DTS
  105. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  106. Flushing Radiator
  107. Are there any worthwhile performance mods for the 98 north*?
  108. Was there more then one north* engine in 1998?
  109. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  110. Northstar Air Consumption.
  111. Eldo Gone....
  112. 4T80-E Transmission Fluid Change - DONE!
  113. P119 - Shorted Fuel Injector Problem
  114. How often do you WOT your north*?
  115. Before i go to beat the crap outta my car - WOT cleaning
  116. denso wires ???
  117. timeserts -so do these things prevent bad head gaskets
  118. Northstar 32 valve good for swap-out?
  119. '94 sts.. ignition coils, ignition control module?
  120. Car will not turn over....
  121. Has anyone ever got the P0741 code?
  122. Are there any good oil additives to add...
  123. I read a post about top tier gasoline....
  124. '95 Concours hard starting when it's cold outside
  125. my service engine soon light is on
  126. bad idea to use 87 octane?
  127. royal purple on a N*
  128. 03 n* and trans in a 99 SLS
  129. What gives the Northstar its "whirring" sound at idle?
  130. 96 sts starter problems, questions?
  131. How would i get a custom pcm?
  132. Beef up a 4.6L NStar?
  133. squeeky serpatine belt *new belt and tensioner*
  134. N* performance
  135. what year was it?
  136. opinions on high flow cats
  137. Gasoline Consumption question
  138. Looking for a Timesert Kit
  139. Engine Performance mods 95 STS
  140. Which oil i need for my 96 eldorado????
  141. How long should I let the N* warm up in the morning?
  142. Timesert Kits?
  143. 1997 SLS (overheating)
  144. Changing brakes on 96 SLS
  145. 2000 dts northstar reliabilty
  146. 2002 ETC Collector-mobile.
  147. What's the difference between the STS and SLS engines?
  148. Internal Mods For Northstar
  149. 99 to 00+ swap differences
  150. stuttering at idle
  151. 1999 Cadillac STS love/hate relationship...
  152. Free Northstar Engine
  153. Help the new guy make a good decision
  154. High Performance Head Gaskets?
  155. Parts ID
  156. Not run for 6 years, what would you do?
  157. 00 PCM on a 99 engine
  158. Blown Headgasket
  159. Aluminum Block porisity
  160. Its Alive
  161. oil life monitor problem
  162. P094 limp mode, no overdrive
  163. Valve Stem Seal Puller
  164. Homemade Valve Spring Compressor
  165. What Should I Pay For Eibachs?
  166. Trans Fluid/Filter change and Coolant drain/refill...
  167. Randomly Creeping High Idle Problem
  168. Stock spark plug wires, 7 or 8 mm?
  169. transmission oil looks dark :S
  170. how many cubic inches
  171. Northstar coil pack firing order
  172. '96 Sls: P1406: Egr
  173. GM Oil Consumption TSB, 2007
  174. Dexcool/Peak coolant
  175. noobie questions
  176. God a northstar sounds sexy, but does something sound odd
  177. Coolant leak...
  178. Northstar motor install
  179. overheating, waterpump? 2002 deville w/ 120k miles
  180. Transmission won't "kickdown" 1994 Eldorado
  181. Blocks cracking on final head torque?
  182. How to remove timeserts?
  183. crankshaft postion sensor
  184. '05 STS - Slipping Transmission at low MPH
  185. rear wheel drive conversion
  186. Cadillac Overheating Issues
  187. humming noise
  188. Clogged vacuum port to fuel pressure regulator
  189. thermostat starting to rise in strange way
  190. overheating , but ez fix?
  191. intermittent "hard start" when car at operating temp
  192. How to tell if block is timeserted?
  193. HELP ME!!!! What is the difference between ECON and Auto
  194. clogged cat = overheating?
  195. 2000-up coil pack crack
  196. 93 sts trans solenoids?
  197. Sealing off a blown head gasket
  198. Rear Main Seal
  199. Oil Life % vs. Reality
  200. Time out!!
  201. engines misses after teardown
  202. 93 STS Northstar won't start
  203. Motor build for sand rail
  204. What kind of gas mileage do you get with your Northstar?
  205. crank sensors
  206. 4.0 Northstar No Start PLEASE HELP!!!
  207. What Northstar do I have?
  208. 96 Eldorado ETC - Blown head gasket
  209. Radiator hoses
  210. headgasket pics
  211. Converter Size
  212. Cylinder Head Reconditioning
  213. 02 sts N* Engine knock
  214. MAF Issues
  215. Oil Pressure Issue - 2000 Cadillac DeVille
  216. Northstar mechanic in the Massachusetts??
  217. Need Help
  218. 93 sts misses and no 2-3 shift
  219. Good fresh tim-serted 94' SLS engine on ebay.
  220. Help, still overheating after headgasket job .
  221. Cooling fan motor bad?
  222. Roots style S/C for the northstar. Anytakers?
  223. front HVAC blower not working on 2000 deville
  224. 1995 STS won't start
  225. 94 4.6L SLS/STS Engine on Ebay
  226. oil level sensor
  227. Thought I had all the parts
  228. '99 Deville stalled and wont start
  229. 96 Deville stumbles on acceleration
  230. Spark Plug Gap
  231. P094 code
  232. 2001 Northstar 4.6 in 99 sts body??
  233. Short runner intake
  234. Bad Waterpump???
  235. Making a trip to fastchip
  236. Fan runs while car is shut off
  237. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  238. Backfired while starting, now I have a miss!
  239. Octane Boosters
  240. Code Question
  241. sluggish n* in a 96 eldo
  242. 03 4.6 Loud engine knock caused by roller rockers
  243. I did the intake and exhaust and no difference
  244. looking at a scangauge 2 / question about pulling codes
  245. starter gives a single click
  246. PCM Data, PD42 Octane?
  247. Made the switch to Rotella...
  248. Crank seal replacement cost??
  249. Headlight problem!
  250. 99 STS blown head gasket. what to do??