: Northstar Engines and System Technical Discussion



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  1. 93 sts traction disabled
  2. rental lincoln
  3. how to stay away from power loss
  4. 96 sts supercharger
  5. Are headgasket issues getting more common lately?
  6. 1998 Seville STS Chiptuning
  7. Tranny problems?
  8. Northstar Dyno Registry
  9. New Engine...climate control issues.
  10. Cryogenics
  11. My Photo Essay N* Head Gasket Repair Job
  12. Custom intake and nitrous
  13. 94 concours
  14. SLS Y-Code Engine: Do I need to replace the EGR Valve? PCM?
  15. service manual
  16. Possible Applications for Northstar?
  17. Need help....PLZ!!
  18. so i got a few PCM codes
  19. GM's Veiw on Fuel and Oil Additives
  20. How do I Reset the Change Oil Message?
  21. so when i went to pull codes, it just said all
  22. T061 T083
  23. 97 Deville No Longer Starts
  24. help on my 99' seville sls
  25. Starting issue
  26. 97 SLS Motor Swap to an 03. Is it possible?
  27. head
  28. 99 SLS and Straight DexCool rather than 50/50
  29. No 1st Gear!!!
  30. Cheap Northstar in NH, 35,000 miles
  31. Steering Wheel puff of smoke
  32. on the tranny subject
  33. Talk about luck!!
  34. New motor runs a lil hotter?
  35. o2 sensor question
  36. What is HOT for a blown head gasket
  37. Need Help Info On Where To Buy Rebuilt Engine
  38. compatable parts
  39. NorthStar swap wiring harness
  40. product question
  41. How long do you think caddy will keep the N*?
  42. SS Fuel Rail Removal
  43. Would this be a wise choice? [CAI] on a 184,000 mile northstar
  44. E85 on northstar ???
  45. just got my Plates
  46. 1996 Cadillac DeVille NO CODES ????
  47. Engine code - EOP
  48. Type of engine?
  49. Turbo Charged STS Cadillac
  50. Northstar Cam specs
  51. How can I drive 1000 miles with a coolant leak?
  52. To Rebuild or not.
  53. Do you use dealer for Northstar repairs?
  54. How long do Northstar engines last?
  55. 4.6 northstar fuel pressure?
  56. 150 miles in limp home mode
  57. CKP Question for One of the Techs
  58. Any problems trying 20W-50 in a '97?
  59. New 95' STS owner with tech question
  60. tune up ,whats involved?
  61. Oh shoot...need help ASAP...:(
  62. Radiator Cooling Fans not running
  63. Ram Air! (Maybe)
  64. Engine runs a bit rough during cold winter starts
  65. "break in" period for new Northstar engine
  66. How many miles to you get per tankfull with your north*?
  67. Inserts
  68. GM now offers Premium Remanufactured 4.6L Northstar
  69. 00 to 03 engine in a 98 or 99 Seville.
  70. recommended shop in Toronto/Kitchener area
  71. After head gasket repair engine knocks
  72. transaxel fluid change
  73. N* Injectors and Fuel Pressure Regulator
  74. transaxel filter
  75. 2002 plentum leak
  76. Sts Running Terrible
  77. 96 Cylinder head on 93 block
  78. My car has 121k on it..should I change the trany fluid?
  79. 96 to 99 Eldo, Deville, and 96, 97 Seville Tuning
  80. valve noise at startup
  81. Breaking in a N*
  82. Invisible leak (coolant)
  83. Another seafoam thread
  84. Is there an easy way to change coolant?
  85. what is considered normal coolant temperture for a north*?
  86. please identify mystery black box 01 DTS
  87. Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
  88. Flushing Radiator
  89. Are there any worthwhile performance mods for the 98 north*?
  90. Was there more then one north* engine in 1998?
  91. Three (3) Codes on 1996 SLS: P1406, P0401, P0108
  92. Northstar Air Consumption.
  93. Eldo Gone....
  94. 4T80-E Transmission Fluid Change - DONE!
  95. P119 - Shorted Fuel Injector Problem
  96. How often do you WOT your north*?
  97. Before i go to beat the crap outta my car - WOT cleaning
  98. denso wires ???
  99. timeserts -so do these things prevent bad head gaskets
  100. Northstar 32 valve good for swap-out?
  101. '94 sts.. ignition coils, ignition control module?
  102. Car will not turn over....
  103. Has anyone ever got the P0741 code?
  104. Are there any good oil additives to add...
  105. I read a post about top tier gasoline....
  106. '95 Concours hard starting when it's cold outside
  107. my service engine soon light is on
  108. bad idea to use 87 octane?
  109. royal purple on a N*
  110. 03 n* and trans in a 99 SLS
  111. What gives the Northstar its "whirring" sound at idle?
  112. 96 sts starter problems, questions?
  113. How would i get a custom pcm?
  114. Beef up a 4.6L NStar?
  115. squeeky serpatine belt *new belt and tensioner*
  116. N* performance
  117. what year was it?
  118. opinions on high flow cats
  119. Gasoline Consumption question
  120. Looking for a Timesert Kit
  121. Engine Performance mods 95 STS
  122. Which oil i need for my 96 eldorado????
  123. How long should I let the N* warm up in the morning?
  124. Timesert Kits?
  125. 1997 SLS (overheating)
  126. Changing brakes on 96 SLS
  127. 2000 dts northstar reliabilty
  128. 2002 ETC Collector-mobile.
  129. What's the difference between the STS and SLS engines?
  130. Internal Mods For Northstar
  131. 99 to 00+ swap differences
  132. stuttering at idle
  133. 1999 Cadillac STS love/hate relationship...
  134. Free Northstar Engine
  135. Help the new guy make a good decision
  136. High Performance Head Gaskets?
  137. Parts ID
  138. Not run for 6 years, what would you do?
  139. 00 PCM on a 99 engine
  140. Blown Headgasket
  141. Aluminum Block porisity
  142. Its Alive
  143. oil life monitor problem
  144. P094 limp mode, no overdrive
  145. Valve Stem Seal Puller
  146. Homemade Valve Spring Compressor
  147. What Should I Pay For Eibachs?
  148. Trans Fluid/Filter change and Coolant drain/refill...
  149. Randomly Creeping High Idle Problem
  150. Stock spark plug wires, 7 or 8 mm?
  151. transmission oil looks dark :S
  152. how many cubic inches
  153. Northstar coil pack firing order
  154. '96 Sls: P1406: Egr
  155. GM Oil Consumption TSB, 2007
  156. Dexcool/Peak coolant
  157. noobie questions
  158. God a northstar sounds sexy, but does something sound odd
  159. Coolant leak...
  160. Northstar motor install
  161. overheating, waterpump? 2002 deville w/ 120k miles
  162. Transmission won't "kickdown" 1994 Eldorado
  163. Blocks cracking on final head torque?
  164. How to remove timeserts?
  165. crankshaft postion sensor
  166. '05 STS - Slipping Transmission at low MPH
  167. rear wheel drive conversion
  168. Cadillac Overheating Issues
  169. humming noise
  170. Clogged vacuum port to fuel pressure regulator
  171. thermostat starting to rise in strange way
  172. overheating , but ez fix?
  173. intermittent "hard start" when car at operating temp
  174. How to tell if block is timeserted?
  175. HELP ME!!!! What is the difference between ECON and Auto
  176. clogged cat = overheating?
  177. 2000-up coil pack crack
  178. 93 sts trans solenoids?
  179. Sealing off a blown head gasket
  180. Rear Main Seal
  181. Oil Life % vs. Reality
  182. Time out!!
  183. engines misses after teardown
  184. 93 STS Northstar won't start
  185. Motor build for sand rail
  186. What kind of gas mileage do you get with your Northstar?
  187. crank sensors
  188. 4.0 Northstar No Start PLEASE HELP!!!
  189. What Northstar do I have?
  190. 96 Eldorado ETC - Blown head gasket
  191. Radiator hoses
  192. headgasket pics
  193. Converter Size
  194. Cylinder Head Reconditioning
  195. 02 sts N* Engine knock
  196. MAF Issues
  197. Oil Pressure Issue - 2000 Cadillac DeVille
  198. Northstar mechanic in the Massachusetts??
  199. Need Help
  200. 93 sts misses and no 2-3 shift
  201. Good fresh tim-serted 94' SLS engine on ebay.
  202. Help, still overheating after headgasket job .
  203. Cooling fan motor bad?
  204. Roots style S/C for the northstar. Anytakers?
  205. front HVAC blower not working on 2000 deville
  206. 1995 STS won't start
  207. 94 4.6L SLS/STS Engine on Ebay
  208. oil level sensor
  209. Thought I had all the parts
  210. '99 Deville stalled and wont start
  211. 96 Deville stumbles on acceleration
  212. Spark Plug Gap
  213. P094 code
  214. 2001 Northstar 4.6 in 99 sts body??
  215. Short runner intake
  216. Bad Waterpump???
  217. Making a trip to fastchip
  218. Fan runs while car is shut off
  219. 94 Seville w/ 93 Engine & Trans (from Eldorado) Shift Problem
  220. Backfired while starting, now I have a miss!
  221. Octane Boosters
  222. Code Question
  223. sluggish n* in a 96 eldo
  224. 03 4.6 Loud engine knock caused by roller rockers
  225. I did the intake and exhaust and no difference
  226. looking at a scangauge 2 / question about pulling codes
  227. starter gives a single click
  228. PCM Data, PD42 Octane?
  229. Made the switch to Rotella...
  230. Crank seal replacement cost??
  231. Headlight problem!
  232. 99 STS blown head gasket. what to do??
  233. Turning off Injectors = Save fuel?
  234. A/C Question
  235. Two pricing question
  236. 1995 STS Performance ?
  237. I052 Code + Stalling + Instrument Panel Reset
  238. Oil pressure Sending Unit
  239. P/S pump leak
  240. Oil Leak
  241. "Low Refrigerant" & "A/C Compressor Off" B1348
  242. 95 Deville Concours performance
  243. '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
  244. new exhaust with #s
  245. Main bearing Torque Values? '94 4.6L SLS
  246. What tools needed to replace idle control motor on N*?
  247. Sooty Stalling 98 Deville
  248. New N* Owner - What to look for?
  249. Will the REAL Dexcool Please Stand Up?
  250. Rustling noise and loss of power