: Northstar Engines and System Technical Discussion



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  1. horrible surging
  2. AC blower keeps cutting off
  3. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  4. 97 Y NorthStar backfire
  5. abs/tcs fuse
  6. 93 STS with 4.6 sounds runs like crap, dies constantly!
  7. Dropping cradle - where's the other wiring?
  8. Trans too full!!!96 eldo
  9. Whats this all about???
  10. Is adding too much oil bad?
  11. More Power *grunt*!!!!
  12. What's wrong with my ABS
  13. fuel pump 96 eldo
  14. Aurora Recall (Fuel Rail)
  15. possibility of turbocharging a 94
  16. Whats the correct way to remove Trans ???
  17. timesert vs. helicoil
  18. 96 eldo ,problems abound
  19. Difference between 275 & 300 HP from # on Valve/cam Cover
  20. Resetting "low refridgerant" code??
  21. If you can get a filter from the dealer
  22. 2 codes
  23. What does the 97 STS Run?
  24. Need northstar balancer install tools.
  25. Long cranking, poor start
  26. 1996 Deville PCM 0717
  27. Case halves repair at 100,000 miles?
  28. Can't track down these error codes
  29. Engine Tick after oil change - very concerned
  30. F/S 2000 Northstar engine
  31. Jury rigged solution
  32. anybody watch TLC Rides yesterday?
  33. Help! Theft System Problem - Can't Start My 97 Concours
  34. A/C Question
  35. Bad Smog result
  36. 4.9 better than Northstar?
  37. Two Error Codes
  38. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  39. Northstar Intake manifold
  40. 4.0 cam swap/exhaust size
  41. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  42. Can someone tell me what GM PN's 1052080 & 12345382 are?
  43. OK Here Comes The Problems before summer.
  44. not so, everyday cadillac problems
  45. need help Removing Harmonic Balancer
  46. Very low refridgerant?? Please advise.
  47. Coolant Problem??
  48. Click noise when AC is on?
  49. how do i remove the...
  50. bottom pulley wabbles
  51. BCM causing rough idle?
  52. Water Pump Drive Pulley
  53. 98 SLS Trans/mounts Questions
  54. So how many people have had overheating/bad head gasket problems?
  55. Car Rides Horribly!
  56. PO85 Fix
  57. NEW exhaust idea...
  58. Northstar vs 4.9
  59. 4T80e questions
  60. check engine light
  61. Rough Idle
  62. More oil consumption
  63. Is it stupid to put in a new engine?????
  64. Advise on De Ville 97
  65. Oil filter
  66. Service Manuals
  67. Transmission Valve (or what the dealer told me)
  68. wierd idle
  69. Miracle fuel additive stopped noise and oil consumption
  70. 95 eldorado oil questions
  71. 95 Harness --> 93 Block/sensors?
  72. Kit Car w/Northstar, Engine VIN codes
  73. EGR Valve and Throttle Body
  74. Heater core?
  75. sticky gas pedal/rough idling/accelerating
  76. Head Bolts????
  77. OEM Liquid Sealant at Case Half Seal?
  78. Throttle Body, Rough Idle
  79. 97 air box mod?
  80. throttle body
  81. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  82. How good is the 4.6L N*
  83. Seville ECM Codes
  84. Trouble Code on '96 Eldorado
  85. tranny probs need help
  86. Unidentified noise in front driver side wheel on a hard right
  87. spark plug gap?
  88. need timesert kit for my 94 n*
  89. 1993 Northstar engine knock
  90. Code IRC B1771
  91. Excessive Crank Time - Advice Needed
  92. Cost Efficient Mods for '98 STS?
  93. Pls help! How much $ should it cost to repair.....
  94. trouble code retrival
  95. Iridium spark plugs
  96. Sedan Deville Diag Codes: How to interpret?
  97. Boosted caddys
  98. 95 sts,pcm?
  99. Northstar Mechanic
  100. 96 ETC code problems
  101. Codes
  102. Help with Timing Chain Removal
  103. help me with my ....
  104. It just quits (dies) restarts fine.
  105. fuel economy
  106. radiator with holes
  107. supercharged caddy?
  108. A few questions 2
  109. A little more Fuel or air needed.
  110. Is there anywhere to get the specs for a 4.6L Northstar
  111. Brake Fluid Flush
  112. GM part no. for timesert inserts?
  113. God ! please help me before my caddy kills me..
  114. 2000+ NorthStar modified to fit 1994 = success
  115. Lots O'Codes HELP!!!
  116. Coolant Change
  117. cruise control not working properly!
  118. Need help with codes
  119. i smell coolant, is my water pump bad?
  120. Crank micropolishing/where to buy parts?
  121. New Lights
  122. O2 sensor
  123. 95 eldorado Northstar over heats
  124. What to do, what to do...
  125. Main Bearing Replacement?
  126. Rear Main Seal Installer
  127. Looking for a few answers
  128. Help!!!
  129. 94 Seville
  130. My 1996 Sedan Deville won't go over 40 mph?
  131. Northstar and CHRFAB article
  132. 94 eldo compression test
  133. Ignition Wires
  134. Ran my STS again
  135. how long....
  136. 1994 Deville oil pan gasket leak
  137. Leaky oil pan gasket on 94 N* eldo
  138. Service Ride Control and traction control
  139. Some initial worries for 94 eldo tc
  140. some problems
  141. computer readout !!!
  142. Thottle Body
  143. Where to find a Northstar engine
  144. Rough Idel
  145. My 99 STS Overheated
  146. Engine Mounts
  147. oil pan gasket
  148. 94 Deville Concourse Billowing White Smoke
  149. cheap perfomance stuff...
  150. Coolant smell from heater; how screwed am I?
  151. Changing the fuel filter
  152. How to do a tuneup on a North*
  153. '96 SLS: IPC Option C problem
  154. Northstar Oil Usage
  155. Buzzing from turn signal
  156. Engine Data Analysis help
  157. 94 eldorado W/coolant in oil
  158. Growe3, Engine Removal Questions
  159. My .02 on Carbon
  160. N* plugs & wires: DIY or leave it for the pros?
  161. MAP sensor
  162. Lucus Products? Fuel Injector Cleaner
  163. Need Northstar Advic
  164. questions before installing new idle speed motor
  165. 94' Sls Pcm
  166. my first mod
  167. coolant leak - is this a bad fix?
  168. 96 Eldorado Oil leak
  169. Northstar dimensions
  170. Mechanic needs help, NS killing ICM
  171. Just told driveshaft is shot. What should I do?
  172. Timesert kit FS! $130 Shipped!
  173. Is my mechanic pulling a 'fast one'?
  174. Sluggish when driving
  175. 1998 Cai??
  176. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  177. Error Codes and Diagnostic Mode Explained
  178. Head bolt retorque method recommendation needed
  179. Is New Exhaust Hurting MPG?
  180. 1998 STS A/C Problems
  181. traction control sucks!
  182. tranny troubles in Montana
  183. flashing number on display
  184. Which Fuel Company
  185. Oil pressure problems
  186. No power from Northstar on '98 Deville
  187. bosch 4's????
  188. Oil Under Intake Manifold on Northstar
  189. Complicated spark problem on 94/99 Northstar engine
  190. 96 Eldo Warm Eng. Miss No Codes
  191. Every North* blows head gaskets??????
  192. 97 STS P0300 Current/P0603 History SES light
  193. Shift Solenoid "A" and "B" question
  194. whats the difference
  195. Head gaskets on 1993 Allante Northstar
  196. Got codes Help Please
  197. How do I Access OBCII 98 DeVille
  198. good buy?
  199. Fuel Pressure Loss
  200. Crank Sensor--Revisited
  201. Suddenly running rough
  202. Northstar Stalls On Restart
  203. northstar engine swap info
  204. Yep She's A Leaker
  205. Fuel economy post 60k service?
  206. Fuel rail leak--another thorn in the side
  207. anyon know where i can get a chip?
  208. 4.6 running rough at idle in gear
  209. Codes
  210. wat should i do to my car
  211. Annoying engine noise
  212. How long to check codes?
  213. 93 STS Overheated, now idles high. PLEASE HELP
  214. Engine Stalling at traffic light
  215. Coolant Supplement Tablet question
  216. Trans or can it be Electrical
  217. help wilth coede PO23
  218. my 94 SLS code problems help!!
  219. Transmission help!!
  220. Where is the EGR valve located?
  221. clearing codes
  222. How To Fix Clicking Throttle Body
  223. Where can I buy a new EGR valve at a good price?
  224. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  225. Coolant Flush?
  226. Random Multiple Cylinder Misfire
  227. Idle seems rough.
  228. how to avoid cracked heads?
  229. Can you put in too much coolant?
  230. Dex-Cool
  231. Engine Coolant
  232. Weird?
  233. oil pressure loss "STOP ENGINE" warning FIX
  234. Impossible To Fix Overheating Problem
  235. Leaking coolant? Head gasket???
  236. 4t80-e transmission leakage
  237. Resonator Question..
  238. 96 Eldo Warm Eng. Miss. Acceleration Miss.
  239. How do I retrive codes
  240. Help! Service Emissions Soon and Check Engine
  241. Can you repair the fuel rail
  242. Where to get Northstar computer and harness??
  243. A Little Head
  244. 97 Eldo running weak!
  245. Ok, I've pulled the codes and decoded them...
  246. How do I pull codes off my 97 SLS?
  247. help!!...no start and no power at purple wire
  248. slow return to idle (95 sts)
  249. surging under WOT
  250. where do i get performance chips