: Northstar Engines and System Technical Discussion



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