: Northstar Engines and System Technical Discussion



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  1. Tranny clunk in 98 sls
  2. Head Bolt Torque
  3. Was driving and caddy cut off?
  4. 97 STS and EGR
  5. Oil for Northstar 7.5 or 8.0
  6. Low Refrigerant Msg: 2 or 3 cans?
  7. Northstar head gasket parts.
  8. 94 Concourse Transmission
  9. 97 Eldorado Fuel Pump gone bad?
  10. im new want to know some things
  11. BBob, 2 stroke oil in gas to preserve...
  12. Reprogramming Computer
  13. which plug is right?
  14. bbob - Correct Crank Scraper/Placement
  15. want RWD N*
  16. What does a PCV valve do?
  17. 97 deville- Loud clunk followed by surging....
  18. Rattle in front of engine on first start up? Help!!
  19. Looking for performance items for the Northstar
  20. New revised Head Torque Procedure
  21. Torque Converter Stall for STS
  22. Carbon knock and 1 quart per 1.000 miles
  23. Stumped!! - problem setting cam timing
  24. Cleaned throttle body, lots of gunk...
  25. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  26. 96 Deville o2 Sensor question
  27. o2 sensor problems
  28. How common are the "Z" speed rated NorthStar's
  29. Diagnostic Code help
  30. Hard Shifting Problem 98 STS
  31. New 04" 4.6 vs previous 3 less MPG?
  32. Walker Quiet Flow Mufflers?
  33. Hard starting '96 Seville STS - Advice sought
  34. Oil in intake manifold (eek!?)
  35. Birds nest under my intake. 94 STS
  36. engine swapp
  37. northstar 4.6 1994 eldorado touring coupe
  38. 94 STS Where is my egr valve!
  39. Safety Recall: Aurora 4.0 - Fuel rail leaks
  40. 2000 Deville Stalls when idleing in drive
  41. 4.6 northstar engine
  42. Cases resealed and new style pistons?
  43. horrible surging
  44. AC blower keeps cutting off
  45. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  46. 97 Y NorthStar backfire
  47. abs/tcs fuse
  48. 93 STS with 4.6 sounds runs like crap, dies constantly!
  49. Dropping cradle - where's the other wiring?
  50. Trans too full!!!96 eldo
  51. Whats this all about???
  52. Is adding too much oil bad?
  53. More Power *grunt*!!!!
  54. What's wrong with my ABS
  55. fuel pump 96 eldo
  56. Aurora Recall (Fuel Rail)
  57. possibility of turbocharging a 94
  58. Whats the correct way to remove Trans ???
  59. timesert vs. helicoil
  60. 96 eldo ,problems abound
  61. Difference between 275 & 300 HP from # on Valve/cam Cover
  62. Resetting "low refridgerant" code??
  63. If you can get a filter from the dealer
  64. 2 codes
  65. What does the 97 STS Run?
  66. Need northstar balancer install tools.
  67. Long cranking, poor start
  68. 1996 Deville PCM 0717
  69. Case halves repair at 100,000 miles?
  70. Can't track down these error codes
  71. Engine Tick after oil change - very concerned
  72. F/S 2000 Northstar engine
  73. Jury rigged solution
  74. anybody watch TLC Rides yesterday?
  75. Help! Theft System Problem - Can't Start My 97 Concours
  76. A/C Question
  77. Bad Smog result
  78. 4.9 better than Northstar?
  79. Two Error Codes
  80. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  81. Northstar Intake manifold
  82. 4.0 cam swap/exhaust size
  83. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  84. Can someone tell me what GM PN's 1052080 & 12345382 are?
  85. OK Here Comes The Problems before summer.
  86. not so, everyday cadillac problems
  87. need help Removing Harmonic Balancer
  88. Very low refridgerant?? Please advise.
  89. Coolant Problem??
  90. Click noise when AC is on?
  91. how do i remove the...
  92. bottom pulley wabbles
  93. BCM causing rough idle?
  94. Water Pump Drive Pulley
  95. 98 SLS Trans/mounts Questions
  96. So how many people have had overheating/bad head gasket problems?
  97. Car Rides Horribly!
  98. PO85 Fix
  99. NEW exhaust idea...
  100. Northstar vs 4.9
  101. 4T80e questions
  102. check engine light
  103. Rough Idle
  104. More oil consumption
  105. Is it stupid to put in a new engine?????
  106. Advise on De Ville 97
  107. Oil filter
  108. Service Manuals
  109. Transmission Valve (or what the dealer told me)
  110. wierd idle
  111. Miracle fuel additive stopped noise and oil consumption
  112. 95 eldorado oil questions
  113. 95 Harness --> 93 Block/sensors?
  114. Kit Car w/Northstar, Engine VIN codes
  115. EGR Valve and Throttle Body
  116. Heater core?
  117. sticky gas pedal/rough idling/accelerating
  118. Head Bolts????
  119. OEM Liquid Sealant at Case Half Seal?
  120. Throttle Body, Rough Idle
  121. 97 air box mod?
  122. throttle body
  123. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  124. How good is the 4.6L N*
  125. Seville ECM Codes
  126. Trouble Code on '96 Eldorado
  127. tranny probs need help
  128. Unidentified noise in front driver side wheel on a hard right
  129. spark plug gap?
  130. need timesert kit for my 94 n*
  131. 1993 Northstar engine knock
  132. Code IRC B1771
  133. Excessive Crank Time - Advice Needed
  134. Cost Efficient Mods for '98 STS?
  135. Pls help! How much $ should it cost to repair.....
  136. trouble code retrival
  137. Iridium spark plugs
  138. Sedan Deville Diag Codes: How to interpret?
  139. Boosted caddys
  140. 95 sts,pcm?
  141. Northstar Mechanic
  142. 96 ETC code problems
  143. Codes
  144. Help with Timing Chain Removal
  145. help me with my ....
  146. It just quits (dies) restarts fine.
  147. fuel economy
  148. radiator with holes
  149. supercharged caddy?
  150. A few questions 2
  151. A little more Fuel or air needed.
  152. Is there anywhere to get the specs for a 4.6L Northstar
  153. Brake Fluid Flush
  154. GM part no. for timesert inserts?
  155. God ! please help me before my caddy kills me..
  156. 2000+ NorthStar modified to fit 1994 = success
  157. Lots O'Codes HELP!!!
  158. Coolant Change
  159. cruise control not working properly!
  160. Need help with codes
  161. i smell coolant, is my water pump bad?
  162. Crank micropolishing/where to buy parts?
  163. New Lights
  164. O2 sensor
  165. 95 eldorado Northstar over heats
  166. What to do, what to do...
  167. Main Bearing Replacement?
  168. Rear Main Seal Installer
  169. Looking for a few answers
  170. Help!!!
  171. 94 Seville
  172. My 1996 Sedan Deville won't go over 40 mph?
  173. Northstar and CHRFAB article
  174. 94 eldo compression test
  175. Ignition Wires
  176. Ran my STS again
  177. how long....
  178. 1994 Deville oil pan gasket leak
  179. Leaky oil pan gasket on 94 N* eldo
  180. Service Ride Control and traction control
  181. Some initial worries for 94 eldo tc
  182. some problems
  183. computer readout !!!
  184. Thottle Body
  185. Where to find a Northstar engine
  186. Rough Idel
  187. My 99 STS Overheated
  188. Engine Mounts
  189. oil pan gasket
  190. 94 Deville Concourse Billowing White Smoke
  191. cheap perfomance stuff...
  192. Coolant smell from heater; how screwed am I?
  193. Changing the fuel filter
  194. How to do a tuneup on a North*
  195. '96 SLS: IPC Option C problem
  196. Northstar Oil Usage
  197. Buzzing from turn signal
  198. Engine Data Analysis help
  199. 94 eldorado W/coolant in oil
  200. Growe3, Engine Removal Questions
  201. My .02 on Carbon
  202. N* plugs & wires: DIY or leave it for the pros?
  203. MAP sensor
  204. Lucus Products? Fuel Injector Cleaner
  205. Need Northstar Advic
  206. questions before installing new idle speed motor
  207. 94' Sls Pcm
  208. my first mod
  209. coolant leak - is this a bad fix?
  210. 96 Eldorado Oil leak
  211. Northstar dimensions
  212. Mechanic needs help, NS killing ICM
  213. Just told driveshaft is shot. What should I do?
  214. Timesert kit FS! $130 Shipped!
  215. Is my mechanic pulling a 'fast one'?
  216. Sluggish when driving
  217. 1998 Cai??
  218. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  219. Error Codes and Diagnostic Mode Explained
  220. Head bolt retorque method recommendation needed
  221. Is New Exhaust Hurting MPG?
  222. 1998 STS A/C Problems
  223. traction control sucks!
  224. tranny troubles in Montana
  225. flashing number on display
  226. Which Fuel Company
  227. Oil pressure problems
  228. No power from Northstar on '98 Deville
  229. bosch 4's????
  230. Oil Under Intake Manifold on Northstar
  231. Complicated spark problem on 94/99 Northstar engine
  232. 96 Eldo Warm Eng. Miss No Codes
  233. Every North* blows head gaskets??????
  234. 97 STS P0300 Current/P0603 History SES light
  235. Shift Solenoid "A" and "B" question
  236. whats the difference
  237. Head gaskets on 1993 Allante Northstar
  238. Got codes Help Please
  239. How do I Access OBCII 98 DeVille
  240. good buy?
  241. Fuel Pressure Loss
  242. Crank Sensor--Revisited
  243. Suddenly running rough
  244. Northstar Stalls On Restart
  245. northstar engine swap info
  246. Yep She's A Leaker
  247. Fuel economy post 60k service?
  248. Fuel rail leak--another thorn in the side
  249. anyon know where i can get a chip?
  250. 4.6 running rough at idle in gear