: Northstar Engines and System Technical Discussion



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