: Northstar Engines and System Technical Discussion



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