: Northstar Engines and System Technical Discussion



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  1. What's wrong in these pictures?
  2. 94 Northstar Oil Leak
  3. Northstar 4.0 mods?
  4. Engine Hesitation ?
  5. shift points???
  6. Pcm part number ???
  7. Northstar Engine Facts & Tid Bits
  8. oil filter 96 sts help
  9. Aurora airbox wrapped!
  10. Oil leaking on a 200K miles engine. Is the engine still good?
  11. Corsa Performance
  12. intermittent misfire on #1 cylinder. Help Please.
  13. Rotten Egg smell....
  14. 97 concours hard starting
  15. Bbob-Interesting facts of Northstar engines
  16. Engine stalled and wont restart!!!
  17. Northstar hesitation
  18. '96 Northstar Vs. '97 Northstar
  19. fuel injectors???
  20. Tranny clunk in 98 sls
  21. Head Bolt Torque
  22. Was driving and caddy cut off?
  23. 97 STS and EGR
  24. Oil for Northstar 7.5 or 8.0
  25. Low Refrigerant Msg: 2 or 3 cans?
  26. Northstar head gasket parts.
  27. 94 Concourse Transmission
  28. 97 Eldorado Fuel Pump gone bad?
  29. im new want to know some things
  30. BBob, 2 stroke oil in gas to preserve...
  31. Reprogramming Computer
  32. which plug is right?
  33. bbob - Correct Crank Scraper/Placement
  34. want RWD N*
  35. What does a PCV valve do?
  36. 97 deville- Loud clunk followed by surging....
  37. Rattle in front of engine on first start up? Help!!
  38. Looking for performance items for the Northstar
  39. New revised Head Torque Procedure
  40. Torque Converter Stall for STS
  41. Carbon knock and 1 quart per 1.000 miles
  42. Stumped!! - problem setting cam timing
  43. Cleaned throttle body, lots of gunk...
  44. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  45. 96 Deville o2 Sensor question
  46. o2 sensor problems
  47. How common are the "Z" speed rated NorthStar's
  48. Diagnostic Code help
  49. Hard Shifting Problem 98 STS
  50. New 04" 4.6 vs previous 3 less MPG?
  51. Walker Quiet Flow Mufflers?
  52. Hard starting '96 Seville STS - Advice sought
  53. Oil in intake manifold (eek!?)
  54. Birds nest under my intake. 94 STS
  55. engine swapp
  56. northstar 4.6 1994 eldorado touring coupe
  57. 94 STS Where is my egr valve!
  58. Safety Recall: Aurora 4.0 - Fuel rail leaks
  59. 2000 Deville Stalls when idleing in drive
  60. 4.6 northstar engine
  61. Cases resealed and new style pistons?
  62. horrible surging
  63. AC blower keeps cutting off
  64. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  65. 97 Y NorthStar backfire
  66. abs/tcs fuse
  67. 93 STS with 4.6 sounds runs like crap, dies constantly!
  68. Dropping cradle - where's the other wiring?
  69. Trans too full!!!96 eldo
  70. Whats this all about???
  71. Is adding too much oil bad?
  72. More Power *grunt*!!!!
  73. What's wrong with my ABS
  74. fuel pump 96 eldo
  75. Aurora Recall (Fuel Rail)
  76. possibility of turbocharging a 94
  77. Whats the correct way to remove Trans ???
  78. timesert vs. helicoil
  79. 96 eldo ,problems abound
  80. Difference between 275 & 300 HP from # on Valve/cam Cover
  81. Resetting "low refridgerant" code??
  82. If you can get a filter from the dealer
  83. 2 codes
  84. What does the 97 STS Run?
  85. Need northstar balancer install tools.
  86. Long cranking, poor start
  87. 1996 Deville PCM 0717
  88. Case halves repair at 100,000 miles?
  89. Can't track down these error codes
  90. Engine Tick after oil change - very concerned
  91. F/S 2000 Northstar engine
  92. Jury rigged solution
  93. anybody watch TLC Rides yesterday?
  94. Help! Theft System Problem - Can't Start My 97 Concours
  95. A/C Question
  96. Bad Smog result
  97. 4.9 better than Northstar?
  98. Two Error Codes
  99. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  100. Northstar Intake manifold
  101. 4.0 cam swap/exhaust size
  102. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  103. Can someone tell me what GM PN's 1052080 & 12345382 are?
  104. OK Here Comes The Problems before summer.
  105. not so, everyday cadillac problems
  106. need help Removing Harmonic Balancer
  107. Very low refridgerant?? Please advise.
  108. Coolant Problem??
  109. Click noise when AC is on?
  110. how do i remove the...
  111. bottom pulley wabbles
  112. BCM causing rough idle?
  113. Water Pump Drive Pulley
  114. 98 SLS Trans/mounts Questions
  115. So how many people have had overheating/bad head gasket problems?
  116. Car Rides Horribly!
  117. PO85 Fix
  118. NEW exhaust idea...
  119. Northstar vs 4.9
  120. 4T80e questions
  121. check engine light
  122. Rough Idle
  123. More oil consumption
  124. Is it stupid to put in a new engine?????
  125. Advise on De Ville 97
  126. Oil filter
  127. Service Manuals
  128. Transmission Valve (or what the dealer told me)
  129. wierd idle
  130. Miracle fuel additive stopped noise and oil consumption
  131. 95 eldorado oil questions
  132. 95 Harness --> 93 Block/sensors?
  133. Kit Car w/Northstar, Engine VIN codes
  134. EGR Valve and Throttle Body
  135. Heater core?
  136. sticky gas pedal/rough idling/accelerating
  137. Head Bolts????
  138. OEM Liquid Sealant at Case Half Seal?
  139. Throttle Body, Rough Idle
  140. 97 air box mod?
  141. throttle body
  142. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  143. How good is the 4.6L N*
  144. Seville ECM Codes
  145. Trouble Code on '96 Eldorado
  146. tranny probs need help
  147. Unidentified noise in front driver side wheel on a hard right
  148. spark plug gap?
  149. need timesert kit for my 94 n*
  150. 1993 Northstar engine knock
  151. Code IRC B1771
  152. Excessive Crank Time - Advice Needed
  153. Cost Efficient Mods for '98 STS?
  154. Pls help! How much $ should it cost to repair.....
  155. trouble code retrival
  156. Iridium spark plugs
  157. Sedan Deville Diag Codes: How to interpret?
  158. Boosted caddys
  159. 95 sts,pcm?
  160. Northstar Mechanic
  161. 96 ETC code problems
  162. Codes
  163. Help with Timing Chain Removal
  164. help me with my ....
  165. It just quits (dies) restarts fine.
  166. fuel economy
  167. radiator with holes
  168. supercharged caddy?
  169. A few questions 2
  170. A little more Fuel or air needed.
  171. Is there anywhere to get the specs for a 4.6L Northstar
  172. Brake Fluid Flush
  173. GM part no. for timesert inserts?
  174. God ! please help me before my caddy kills me..
  175. 2000+ NorthStar modified to fit 1994 = success
  176. Lots O'Codes HELP!!!
  177. Coolant Change
  178. cruise control not working properly!
  179. Need help with codes
  180. i smell coolant, is my water pump bad?
  181. Crank micropolishing/where to buy parts?
  182. New Lights
  183. O2 sensor
  184. 95 eldorado Northstar over heats
  185. What to do, what to do...
  186. Main Bearing Replacement?
  187. Rear Main Seal Installer
  188. Looking for a few answers
  189. Help!!!
  190. 94 Seville
  191. My 1996 Sedan Deville won't go over 40 mph?
  192. Northstar and CHRFAB article
  193. 94 eldo compression test
  194. Ignition Wires
  195. Ran my STS again
  196. how long....
  197. 1994 Deville oil pan gasket leak
  198. Leaky oil pan gasket on 94 N* eldo
  199. Service Ride Control and traction control
  200. Some initial worries for 94 eldo tc
  201. some problems
  202. computer readout !!!
  203. Thottle Body
  204. Where to find a Northstar engine
  205. Rough Idel
  206. My 99 STS Overheated
  207. Engine Mounts
  208. oil pan gasket
  209. 94 Deville Concourse Billowing White Smoke
  210. cheap perfomance stuff...
  211. Coolant smell from heater; how screwed am I?
  212. Changing the fuel filter
  213. How to do a tuneup on a North*
  214. '96 SLS: IPC Option C problem
  215. Northstar Oil Usage
  216. Buzzing from turn signal
  217. Engine Data Analysis help
  218. 94 eldorado W/coolant in oil
  219. Growe3, Engine Removal Questions
  220. My .02 on Carbon
  221. N* plugs & wires: DIY or leave it for the pros?
  222. MAP sensor
  223. Lucus Products? Fuel Injector Cleaner
  224. Need Northstar Advic
  225. questions before installing new idle speed motor
  226. 94' Sls Pcm
  227. my first mod
  228. coolant leak - is this a bad fix?
  229. 96 Eldorado Oil leak
  230. Northstar dimensions
  231. Mechanic needs help, NS killing ICM
  232. Just told driveshaft is shot. What should I do?
  233. Timesert kit FS! $130 Shipped!
  234. Is my mechanic pulling a 'fast one'?
  235. Sluggish when driving
  236. 1998 Cai??
  237. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  238. Error Codes and Diagnostic Mode Explained
  239. Head bolt retorque method recommendation needed
  240. Is New Exhaust Hurting MPG?
  241. 1998 STS A/C Problems
  242. traction control sucks!
  243. tranny troubles in Montana
  244. flashing number on display
  245. Which Fuel Company
  246. Oil pressure problems
  247. No power from Northstar on '98 Deville
  248. bosch 4's????
  249. Oil Under Intake Manifold on Northstar
  250. Complicated spark problem on 94/99 Northstar engine