: Northstar Engines and System Technical Discussion



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  1. New 04" 4.6 vs previous 3 less MPG?
  2. Walker Quiet Flow Mufflers?
  3. Hard starting '96 Seville STS - Advice sought
  4. Oil in intake manifold (eek!?)
  5. Birds nest under my intake. 94 STS
  6. engine swapp
  7. northstar 4.6 1994 eldorado touring coupe
  8. 94 STS Where is my egr valve!
  9. Safety Recall: Aurora 4.0 - Fuel rail leaks
  10. 2000 Deville Stalls when idleing in drive
  11. 4.6 northstar engine
  12. Cases resealed and new style pistons?
  13. horrible surging
  14. AC blower keeps cutting off
  15. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  16. 97 Y NorthStar backfire
  17. abs/tcs fuse
  18. 93 STS with 4.6 sounds runs like crap, dies constantly!
  19. Dropping cradle - where's the other wiring?
  20. Trans too full!!!96 eldo
  21. Whats this all about???
  22. Is adding too much oil bad?
  23. More Power *grunt*!!!!
  24. What's wrong with my ABS
  25. fuel pump 96 eldo
  26. Aurora Recall (Fuel Rail)
  27. possibility of turbocharging a 94
  28. Whats the correct way to remove Trans ???
  29. timesert vs. helicoil
  30. 96 eldo ,problems abound
  31. Difference between 275 & 300 HP from # on Valve/cam Cover
  32. Resetting "low refridgerant" code??
  33. If you can get a filter from the dealer
  34. 2 codes
  35. What does the 97 STS Run?
  36. Need northstar balancer install tools.
  37. Long cranking, poor start
  38. 1996 Deville PCM 0717
  39. Case halves repair at 100,000 miles?
  40. Can't track down these error codes
  41. Engine Tick after oil change - very concerned
  42. F/S 2000 Northstar engine
  43. Jury rigged solution
  44. anybody watch TLC Rides yesterday?
  45. Help! Theft System Problem - Can't Start My 97 Concours
  46. A/C Question
  47. Bad Smog result
  48. 4.9 better than Northstar?
  49. Two Error Codes
  50. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  51. Northstar Intake manifold
  52. 4.0 cam swap/exhaust size
  53. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  54. Can someone tell me what GM PN's 1052080 & 12345382 are?
  55. OK Here Comes The Problems before summer.
  56. not so, everyday cadillac problems
  57. need help Removing Harmonic Balancer
  58. Very low refridgerant?? Please advise.
  59. Coolant Problem??
  60. Click noise when AC is on?
  61. how do i remove the...
  62. bottom pulley wabbles
  63. BCM causing rough idle?
  64. Water Pump Drive Pulley
  65. 98 SLS Trans/mounts Questions
  66. So how many people have had overheating/bad head gasket problems?
  67. Car Rides Horribly!
  68. PO85 Fix
  69. NEW exhaust idea...
  70. Northstar vs 4.9
  71. 4T80e questions
  72. check engine light
  73. Rough Idle
  74. More oil consumption
  75. Is it stupid to put in a new engine?????
  76. Advise on De Ville 97
  77. Oil filter
  78. Service Manuals
  79. Transmission Valve (or what the dealer told me)
  80. wierd idle
  81. Miracle fuel additive stopped noise and oil consumption
  82. 95 eldorado oil questions
  83. 95 Harness --> 93 Block/sensors?
  84. Kit Car w/Northstar, Engine VIN codes
  85. EGR Valve and Throttle Body
  86. Heater core?
  87. sticky gas pedal/rough idling/accelerating
  88. Head Bolts????
  89. OEM Liquid Sealant at Case Half Seal?
  90. Throttle Body, Rough Idle
  91. 97 air box mod?
  92. throttle body
  93. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  94. How good is the 4.6L N*
  95. Seville ECM Codes
  96. Trouble Code on '96 Eldorado
  97. tranny probs need help
  98. Unidentified noise in front driver side wheel on a hard right
  99. spark plug gap?
  100. need timesert kit for my 94 n*
  101. 1993 Northstar engine knock
  102. Code IRC B1771
  103. Excessive Crank Time - Advice Needed
  104. Cost Efficient Mods for '98 STS?
  105. Pls help! How much $ should it cost to repair.....
  106. trouble code retrival
  107. Iridium spark plugs
  108. Sedan Deville Diag Codes: How to interpret?
  109. Boosted caddys
  110. 95 sts,pcm?
  111. Northstar Mechanic
  112. 96 ETC code problems
  113. Codes
  114. Help with Timing Chain Removal
  115. help me with my ....
  116. It just quits (dies) restarts fine.
  117. fuel economy
  118. radiator with holes
  119. supercharged caddy?
  120. A few questions 2
  121. A little more Fuel or air needed.
  122. Is there anywhere to get the specs for a 4.6L Northstar
  123. Brake Fluid Flush
  124. GM part no. for timesert inserts?
  125. God ! please help me before my caddy kills me..
  126. 2000+ NorthStar modified to fit 1994 = success
  127. Lots O'Codes HELP!!!
  128. Coolant Change
  129. cruise control not working properly!
  130. Need help with codes
  131. i smell coolant, is my water pump bad?
  132. Crank micropolishing/where to buy parts?
  133. New Lights
  134. O2 sensor
  135. 95 eldorado Northstar over heats
  136. What to do, what to do...
  137. Main Bearing Replacement?
  138. Rear Main Seal Installer
  139. Looking for a few answers
  140. Help!!!
  141. 94 Seville
  142. My 1996 Sedan Deville won't go over 40 mph?
  143. Northstar and CHRFAB article
  144. 94 eldo compression test
  145. Ignition Wires
  146. Ran my STS again
  147. how long....
  148. 1994 Deville oil pan gasket leak
  149. Leaky oil pan gasket on 94 N* eldo
  150. Service Ride Control and traction control
  151. Some initial worries for 94 eldo tc
  152. some problems
  153. computer readout !!!
  154. Thottle Body
  155. Where to find a Northstar engine
  156. Rough Idel
  157. My 99 STS Overheated
  158. Engine Mounts
  159. oil pan gasket
  160. 94 Deville Concourse Billowing White Smoke
  161. cheap perfomance stuff...
  162. Coolant smell from heater; how screwed am I?
  163. Changing the fuel filter
  164. How to do a tuneup on a North*
  165. '96 SLS: IPC Option C problem
  166. Northstar Oil Usage
  167. Buzzing from turn signal
  168. Engine Data Analysis help
  169. 94 eldorado W/coolant in oil
  170. Growe3, Engine Removal Questions
  171. My .02 on Carbon
  172. N* plugs & wires: DIY or leave it for the pros?
  173. MAP sensor
  174. Lucus Products? Fuel Injector Cleaner
  175. Need Northstar Advic
  176. questions before installing new idle speed motor
  177. 94' Sls Pcm
  178. my first mod
  179. coolant leak - is this a bad fix?
  180. 96 Eldorado Oil leak
  181. Northstar dimensions
  182. Mechanic needs help, NS killing ICM
  183. Just told driveshaft is shot. What should I do?
  184. Timesert kit FS! $130 Shipped!
  185. Is my mechanic pulling a 'fast one'?
  186. Sluggish when driving
  187. 1998 Cai??
  188. Error Codes, Diagnostic Mode, RKE Programming, Owners Manuals, General Info
  189. Error Codes and Diagnostic Mode Explained
  190. Head bolt retorque method recommendation needed
  191. Is New Exhaust Hurting MPG?
  192. 1998 STS A/C Problems
  193. traction control sucks!
  194. tranny troubles in Montana
  195. flashing number on display
  196. Which Fuel Company
  197. Oil pressure problems
  198. No power from Northstar on '98 Deville
  199. bosch 4's????
  200. Oil Under Intake Manifold on Northstar
  201. Complicated spark problem on 94/99 Northstar engine
  202. 96 Eldo Warm Eng. Miss No Codes
  203. Every North* blows head gaskets??????
  204. 97 STS P0300 Current/P0603 History SES light
  205. Shift Solenoid "A" and "B" question
  206. whats the difference
  207. Head gaskets on 1993 Allante Northstar
  208. Got codes Help Please
  209. How do I Access OBCII 98 DeVille
  210. good buy?
  211. Fuel Pressure Loss
  212. Crank Sensor--Revisited
  213. Suddenly running rough
  214. Northstar Stalls On Restart
  215. northstar engine swap info
  216. Yep She's A Leaker
  217. Fuel economy post 60k service?
  218. Fuel rail leak--another thorn in the side
  219. anyon know where i can get a chip?
  220. 4.6 running rough at idle in gear
  221. Codes
  222. wat should i do to my car
  223. Annoying engine noise
  224. How long to check codes?
  225. 93 STS Overheated, now idles high. PLEASE HELP
  226. Engine Stalling at traffic light
  227. Coolant Supplement Tablet question
  228. Trans or can it be Electrical
  229. help wilth coede PO23
  230. my 94 SLS code problems help!!
  231. Transmission help!!
  232. Where is the EGR valve located?
  233. clearing codes
  234. How To Fix Clicking Throttle Body
  235. Where can I buy a new EGR valve at a good price?
  236. '98 STS - "Service engine soon" light was on for two days...now off...car runs great
  237. Coolant Flush?
  238. Random Multiple Cylinder Misfire
  239. Idle seems rough.
  240. how to avoid cracked heads?
  241. Can you put in too much coolant?
  242. Dex-Cool
  243. Engine Coolant
  244. Weird?
  245. oil pressure loss "STOP ENGINE" warning FIX
  246. Impossible To Fix Overheating Problem
  247. Leaking coolant? Head gasket???
  248. 4t80-e transmission leakage
  249. Resonator Question..
  250. 96 Eldo Warm Eng. Miss. Acceleration Miss.