: Northstar Engines and System Technical Discussion



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  1. 93 STS with VSS issues
  2. radiator replacement?
  3. PCV Valve location?
  4. Where is the IAC module?
  5. K&N Filter for STS and Eldorado
  6. 93 4.6 dies at random then restarts
  7. Purge tank cap fiasco
  8. What does it take to swap intake manifolds?
  9. Oxygen Sensors......Need help soon!!!
  10. which hose does the bars leak go.
  11. 97 eld0 etc
  12. engine ID
  13. Interior dimmer location on 03 Deville?
  14. Blown Coolent crossover gasket....$$$$
  15. Missing Bracket or support
  16. Check Coolant Level
  17. 93 Eldo Overheats New Thermostat Didn't help
  18. Where to find tie bars?
  19. What's wrong in these pictures?
  20. 94 Northstar Oil Leak
  21. Northstar 4.0 mods?
  22. Engine Hesitation ?
  23. shift points???
  24. Pcm part number ???
  25. Northstar Engine Facts & Tid Bits
  26. oil filter 96 sts help
  27. Aurora airbox wrapped!
  28. Oil leaking on a 200K miles engine. Is the engine still good?
  29. Corsa Performance
  30. intermittent misfire on #1 cylinder. Help Please.
  31. Rotten Egg smell....
  32. 97 concours hard starting
  33. Bbob-Interesting facts of Northstar engines
  34. Engine stalled and wont restart!!!
  35. Northstar hesitation
  36. '96 Northstar Vs. '97 Northstar
  37. fuel injectors???
  38. Tranny clunk in 98 sls
  39. Head Bolt Torque
  40. Was driving and caddy cut off?
  41. 97 STS and EGR
  42. Oil for Northstar 7.5 or 8.0
  43. Low Refrigerant Msg: 2 or 3 cans?
  44. Northstar head gasket parts.
  45. 94 Concourse Transmission
  46. 97 Eldorado Fuel Pump gone bad?
  47. im new want to know some things
  48. BBob, 2 stroke oil in gas to preserve...
  49. Reprogramming Computer
  50. which plug is right?
  51. bbob - Correct Crank Scraper/Placement
  52. want RWD N*
  53. What does a PCV valve do?
  54. 97 deville- Loud clunk followed by surging....
  55. Rattle in front of engine on first start up? Help!!
  56. Looking for performance items for the Northstar
  57. New revised Head Torque Procedure
  58. Torque Converter Stall for STS
  59. Carbon knock and 1 quart per 1.000 miles
  60. Stumped!! - problem setting cam timing
  61. Cleaned throttle body, lots of gunk...
  62. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  63. 96 Deville o2 Sensor question
  64. o2 sensor problems
  65. How common are the "Z" speed rated NorthStar's
  66. Diagnostic Code help
  67. Hard Shifting Problem 98 STS
  68. New 04" 4.6 vs previous 3 less MPG?
  69. Walker Quiet Flow Mufflers?
  70. Hard starting '96 Seville STS - Advice sought
  71. Oil in intake manifold (eek!?)
  72. Birds nest under my intake. 94 STS
  73. engine swapp
  74. northstar 4.6 1994 eldorado touring coupe
  75. 94 STS Where is my egr valve!
  76. Safety Recall: Aurora 4.0 - Fuel rail leaks
  77. 2000 Deville Stalls when idleing in drive
  78. 4.6 northstar engine
  79. Cases resealed and new style pistons?
  80. horrible surging
  81. AC blower keeps cutting off
  82. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  83. 97 Y NorthStar backfire
  84. abs/tcs fuse
  85. 93 STS with 4.6 sounds runs like crap, dies constantly!
  86. Dropping cradle - where's the other wiring?
  87. Trans too full!!!96 eldo
  88. Whats this all about???
  89. Is adding too much oil bad?
  90. More Power *grunt*!!!!
  91. What's wrong with my ABS
  92. fuel pump 96 eldo
  93. Aurora Recall (Fuel Rail)
  94. possibility of turbocharging a 94
  95. Whats the correct way to remove Trans ???
  96. timesert vs. helicoil
  97. 96 eldo ,problems abound
  98. Difference between 275 & 300 HP from # on Valve/cam Cover
  99. Resetting "low refridgerant" code??
  100. If you can get a filter from the dealer
  101. 2 codes
  102. What does the 97 STS Run?
  103. Need northstar balancer install tools.
  104. Long cranking, poor start
  105. 1996 Deville PCM 0717
  106. Case halves repair at 100,000 miles?
  107. Can't track down these error codes
  108. Engine Tick after oil change - very concerned
  109. F/S 2000 Northstar engine
  110. Jury rigged solution
  111. anybody watch TLC Rides yesterday?
  112. Help! Theft System Problem - Can't Start My 97 Concours
  113. A/C Question
  114. Bad Smog result
  115. 4.9 better than Northstar?
  116. Two Error Codes
  117. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  118. Northstar Intake manifold
  119. 4.0 cam swap/exhaust size
  120. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  121. Can someone tell me what GM PN's 1052080 & 12345382 are?
  122. OK Here Comes The Problems before summer.
  123. not so, everyday cadillac problems
  124. need help Removing Harmonic Balancer
  125. Very low refridgerant?? Please advise.
  126. Coolant Problem??
  127. Click noise when AC is on?
  128. how do i remove the...
  129. bottom pulley wabbles
  130. BCM causing rough idle?
  131. Water Pump Drive Pulley
  132. 98 SLS Trans/mounts Questions
  133. So how many people have had overheating/bad head gasket problems?
  134. Car Rides Horribly!
  135. PO85 Fix
  136. NEW exhaust idea...
  137. Northstar vs 4.9
  138. 4T80e questions
  139. check engine light
  140. Rough Idle
  141. More oil consumption
  142. Is it stupid to put in a new engine?????
  143. Advise on De Ville 97
  144. Oil filter
  145. Service Manuals
  146. Transmission Valve (or what the dealer told me)
  147. wierd idle
  148. Miracle fuel additive stopped noise and oil consumption
  149. 95 eldorado oil questions
  150. 95 Harness --> 93 Block/sensors?
  151. Kit Car w/Northstar, Engine VIN codes
  152. EGR Valve and Throttle Body
  153. Heater core?
  154. sticky gas pedal/rough idling/accelerating
  155. Head Bolts????
  156. OEM Liquid Sealant at Case Half Seal?
  157. Throttle Body, Rough Idle
  158. 97 air box mod?
  159. throttle body
  160. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  161. How good is the 4.6L N*
  162. Seville ECM Codes
  163. Trouble Code on '96 Eldorado
  164. tranny probs need help
  165. Unidentified noise in front driver side wheel on a hard right
  166. spark plug gap?
  167. need timesert kit for my 94 n*
  168. 1993 Northstar engine knock
  169. Code IRC B1771
  170. Excessive Crank Time - Advice Needed
  171. Cost Efficient Mods for '98 STS?
  172. Pls help! How much $ should it cost to repair.....
  173. trouble code retrival
  174. Iridium spark plugs
  175. Sedan Deville Diag Codes: How to interpret?
  176. Boosted caddys
  177. 95 sts,pcm?
  178. Northstar Mechanic
  179. 96 ETC code problems
  180. Codes
  181. Help with Timing Chain Removal
  182. help me with my ....
  183. It just quits (dies) restarts fine.
  184. fuel economy
  185. radiator with holes
  186. supercharged caddy?
  187. A few questions 2
  188. A little more Fuel or air needed.
  189. Is there anywhere to get the specs for a 4.6L Northstar
  190. Brake Fluid Flush
  191. GM part no. for timesert inserts?
  192. God ! please help me before my caddy kills me..
  193. 2000+ NorthStar modified to fit 1994 = success
  194. Lots O'Codes HELP!!!
  195. Coolant Change
  196. cruise control not working properly!
  197. Need help with codes
  198. i smell coolant, is my water pump bad?
  199. Crank micropolishing/where to buy parts?
  200. New Lights
  201. O2 sensor
  202. 95 eldorado Northstar over heats
  203. What to do, what to do...
  204. Main Bearing Replacement?
  205. Rear Main Seal Installer
  206. Looking for a few answers
  207. Help!!!
  208. 94 Seville
  209. My 1996 Sedan Deville won't go over 40 mph?
  210. Northstar and CHRFAB article
  211. 94 eldo compression test
  212. Ignition Wires
  213. Ran my STS again
  214. how long....
  215. 1994 Deville oil pan gasket leak
  216. Leaky oil pan gasket on 94 N* eldo
  217. Service Ride Control and traction control
  218. Some initial worries for 94 eldo tc
  219. some problems
  220. computer readout !!!
  221. Thottle Body
  222. Where to find a Northstar engine
  223. Rough Idel
  224. My 99 STS Overheated
  225. Engine Mounts
  226. oil pan gasket
  227. 94 Deville Concourse Billowing White Smoke
  228. cheap perfomance stuff...
  229. Coolant smell from heater; how screwed am I?
  230. Changing the fuel filter
  231. How to do a tuneup on a North*
  232. '96 SLS: IPC Option C problem
  233. Northstar Oil Usage
  234. Buzzing from turn signal
  235. Engine Data Analysis help
  236. 94 eldorado W/coolant in oil
  237. Growe3, Engine Removal Questions
  238. My .02 on Carbon
  239. N* plugs & wires: DIY or leave it for the pros?
  240. MAP sensor
  241. Lucus Products? Fuel Injector Cleaner
  242. Need Northstar Advic
  243. questions before installing new idle speed motor
  244. 94' Sls Pcm
  245. my first mod
  246. coolant leak - is this a bad fix?
  247. 96 Eldorado Oil leak
  248. Northstar dimensions
  249. Mechanic needs help, NS killing ICM
  250. Just told driveshaft is shot. What should I do?