: Northstar Engines and System Technical Discussion



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  1. Torque Converter Stall for STS
  2. Carbon knock and 1 quart per 1.000 miles
  3. Stumped!! - problem setting cam timing
  4. Cleaned throttle body, lots of gunk...
  5. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  6. 96 Deville o2 Sensor question
  7. o2 sensor problems
  8. How common are the "Z" speed rated NorthStar's
  9. Diagnostic Code help
  10. Hard Shifting Problem 98 STS
  11. New 04" 4.6 vs previous 3 less MPG?
  12. Walker Quiet Flow Mufflers?
  13. Hard starting '96 Seville STS - Advice sought
  14. Oil in intake manifold (eek!?)
  15. Birds nest under my intake. 94 STS
  16. engine swapp
  17. northstar 4.6 1994 eldorado touring coupe
  18. 94 STS Where is my egr valve!
  19. Safety Recall: Aurora 4.0 - Fuel rail leaks
  20. 2000 Deville Stalls when idleing in drive
  21. 4.6 northstar engine
  22. Cases resealed and new style pistons?
  23. horrible surging
  24. AC blower keeps cutting off
  25. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  26. 97 Y NorthStar backfire
  27. abs/tcs fuse
  28. 93 STS with 4.6 sounds runs like crap, dies constantly!
  29. Dropping cradle - where's the other wiring?
  30. Trans too full!!!96 eldo
  31. Whats this all about???
  32. Is adding too much oil bad?
  33. More Power *grunt*!!!!
  34. What's wrong with my ABS
  35. fuel pump 96 eldo
  36. Aurora Recall (Fuel Rail)
  37. possibility of turbocharging a 94
  38. Whats the correct way to remove Trans ???
  39. timesert vs. helicoil
  40. 96 eldo ,problems abound
  41. Difference between 275 & 300 HP from # on Valve/cam Cover
  42. Resetting "low refridgerant" code??
  43. If you can get a filter from the dealer
  44. 2 codes
  45. What does the 97 STS Run?
  46. Need northstar balancer install tools.
  47. Long cranking, poor start
  48. 1996 Deville PCM 0717
  49. Case halves repair at 100,000 miles?
  50. Can't track down these error codes
  51. Engine Tick after oil change - very concerned
  52. F/S 2000 Northstar engine
  53. Jury rigged solution
  54. anybody watch TLC Rides yesterday?
  55. Help! Theft System Problem - Can't Start My 97 Concours
  56. A/C Question
  57. Bad Smog result
  58. 4.9 better than Northstar?
  59. Two Error Codes
  60. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  61. Northstar Intake manifold
  62. 4.0 cam swap/exhaust size
  63. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  64. Can someone tell me what GM PN's 1052080 & 12345382 are?
  65. OK Here Comes The Problems before summer.
  66. not so, everyday cadillac problems
  67. need help Removing Harmonic Balancer
  68. Very low refridgerant?? Please advise.
  69. Coolant Problem??
  70. Click noise when AC is on?
  71. how do i remove the...
  72. bottom pulley wabbles
  73. BCM causing rough idle?
  74. Water Pump Drive Pulley
  75. 98 SLS Trans/mounts Questions
  76. So how many people have had overheating/bad head gasket problems?
  77. Car Rides Horribly!
  78. PO85 Fix
  79. NEW exhaust idea...
  80. Northstar vs 4.9
  81. 4T80e questions
  82. check engine light
  83. Rough Idle
  84. More oil consumption
  85. Is it stupid to put in a new engine?????
  86. Advise on De Ville 97
  87. Oil filter
  88. Service Manuals
  89. Transmission Valve (or what the dealer told me)
  90. wierd idle
  91. Miracle fuel additive stopped noise and oil consumption
  92. 95 eldorado oil questions
  93. 95 Harness --> 93 Block/sensors?
  94. Kit Car w/Northstar, Engine VIN codes
  95. EGR Valve and Throttle Body
  96. Heater core?
  97. sticky gas pedal/rough idling/accelerating
  98. Head Bolts????
  99. OEM Liquid Sealant at Case Half Seal?
  100. Throttle Body, Rough Idle
  101. 97 air box mod?
  102. throttle body
  103. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  104. How good is the 4.6L N*
  105. Seville ECM Codes
  106. Trouble Code on '96 Eldorado
  107. tranny probs need help
  108. Unidentified noise in front driver side wheel on a hard right
  109. spark plug gap?
  110. need timesert kit for my 94 n*
  111. 1993 Northstar engine knock
  112. Code IRC B1771
  113. Excessive Crank Time - Advice Needed
  114. Cost Efficient Mods for '98 STS?
  115. Pls help! How much $ should it cost to repair.....
  116. trouble code retrival
  117. Iridium spark plugs
  118. Sedan Deville Diag Codes: How to interpret?
  119. Boosted caddys
  120. 95 sts,pcm?
  121. Northstar Mechanic
  122. 96 ETC code problems
  123. Codes
  124. Help with Timing Chain Removal
  125. help me with my ....
  126. It just quits (dies) restarts fine.
  127. fuel economy
  128. radiator with holes
  129. supercharged caddy?
  130. A few questions 2
  131. A little more Fuel or air needed.
  132. Is there anywhere to get the specs for a 4.6L Northstar
  133. Brake Fluid Flush
  134. GM part no. for timesert inserts?
  135. God ! please help me before my caddy kills me..
  136. 2000+ NorthStar modified to fit 1994 = success
  137. Lots O'Codes HELP!!!
  138. Coolant Change
  139. cruise control not working properly!
  140. Need help with codes
  141. i smell coolant, is my water pump bad?
  142. Crank micropolishing/where to buy parts?
  143. New Lights
  144. O2 sensor
  145. 95 eldorado Northstar over heats
  146. What to do, what to do...
  147. Main Bearing Replacement?
  148. Rear Main Seal Installer
  149. Looking for a few answers
  150. Help!!!
  151. 94 Seville
  152. My 1996 Sedan Deville won't go over 40 mph?
  153. Northstar and CHRFAB article
  154. 94 eldo compression test
  155. Ignition Wires
  156. Ran my STS again
  157. how long....
  158. 1994 Deville oil pan gasket leak
  159. Leaky oil pan gasket on 94 N* eldo
  160. Service Ride Control and traction control
  161. Some initial worries for 94 eldo tc
  162. some problems
  163. computer readout !!!
  164. Thottle Body
  165. Where to find a Northstar engine
  166. Rough Idel
  167. My 99 STS Overheated
  168. Engine Mounts
  169. oil pan gasket
  170. 94 Deville Concourse Billowing White Smoke
  171. cheap perfomance stuff...
  172. Coolant smell from heater; how screwed am I?
  173. Changing the fuel filter
  174. How to do a tuneup on a North*
  175. '96 SLS: IPC Option C problem
  176. Northstar Oil Usage
  177. Buzzing from turn signal
  178. Engine Data Analysis help
  179. 94 eldorado W/coolant in oil
  180. Growe3, Engine Removal Questions
  181. My .02 on Carbon
  182. N* plugs & wires: DIY or leave it for the pros?
  183. MAP sensor
  184. Lucus Products? Fuel Injector Cleaner
  185. Need Northstar Advic
  186. questions before installing new idle speed motor
  187. 94' Sls Pcm
  188. my first mod
  189. coolant leak - is this a bad fix?
  190. 96 Eldorado Oil leak
  191. Northstar dimensions
  192. Mechanic needs help, NS killing ICM
  193. Just told driveshaft is shot. What should I do?
  194. Timesert kit FS! $130 Shipped!
  195. Is my mechanic pulling a 'fast one'?
  196. Sluggish when driving
  197. 1998 Cai??
  198. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  199. Error Codes and Diagnostic Mode Explained
  200. Head bolt retorque method recommendation needed
  201. Is New Exhaust Hurting MPG?
  202. 1998 STS A/C Problems
  203. traction control sucks!
  204. tranny troubles in Montana
  205. flashing number on display
  206. Which Fuel Company
  207. Oil pressure problems
  208. No power from Northstar on '98 Deville
  209. bosch 4's????
  210. Oil Under Intake Manifold on Northstar
  211. Complicated spark problem on 94/99 Northstar engine
  212. 96 Eldo Warm Eng. Miss No Codes
  213. Every North* blows head gaskets??????
  214. 97 STS P0300 Current/P0603 History SES light
  215. Shift Solenoid "A" and "B" question
  216. whats the difference
  217. Head gaskets on 1993 Allante Northstar
  218. Got codes Help Please
  219. How do I Access OBCII 98 DeVille
  220. good buy?
  221. Fuel Pressure Loss
  222. Crank Sensor--Revisited
  223. Suddenly running rough
  224. Northstar Stalls On Restart
  225. northstar engine swap info
  226. Yep She's A Leaker
  227. Fuel economy post 60k service?
  228. Fuel rail leak--another thorn in the side
  229. anyon know where i can get a chip?
  230. 4.6 running rough at idle in gear
  231. Codes
  232. wat should i do to my car
  233. Annoying engine noise
  234. How long to check codes?
  235. 93 STS Overheated, now idles high. PLEASE HELP
  236. Engine Stalling at traffic light
  237. Coolant Supplement Tablet question
  238. Trans or can it be Electrical
  239. help wilth coede PO23
  240. my 94 SLS code problems help!!
  241. Transmission help!!
  242. Where is the EGR valve located?
  243. clearing codes
  244. How To Fix Clicking Throttle Body
  245. Where can I buy a new EGR valve at a good price?
  246. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  247. Coolant Flush?
  248. Random Multiple Cylinder Misfire
  249. Idle seems rough.
  250. how to avoid cracked heads?