: Northstar Engines and System Technical Discussion



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  1. Coolant system seal tabs
  2. Emission Code E013
  3. Northstar timesert kit for sale,$175.00+shipping.
  4. Best oil for my geezer
  5. 93 STS with VSS issues
  6. radiator replacement?
  7. PCV Valve location?
  8. Where is the IAC module?
  9. K&N Filter for STS and Eldorado
  10. 93 4.6 dies at random then restarts
  11. Purge tank cap fiasco
  12. What does it take to swap intake manifolds?
  13. Oxygen Sensors......Need help soon!!!
  14. which hose does the bars leak go.
  15. 97 eld0 etc
  16. engine ID
  17. Interior dimmer location on 03 Deville?
  18. Blown Coolent crossover gasket....$$$$
  19. Missing Bracket or support
  20. Check Coolant Level
  21. 93 Eldo Overheats New Thermostat Didn't help
  22. Where to find tie bars?
  23. What's wrong in these pictures?
  24. 94 Northstar Oil Leak
  25. Northstar 4.0 mods?
  26. Engine Hesitation ?
  27. shift points???
  28. Pcm part number ???
  29. Northstar Engine Facts & Tid Bits
  30. oil filter 96 sts help
  31. Aurora airbox wrapped!
  32. Oil leaking on a 200K miles engine. Is the engine still good?
  33. Corsa Performance
  34. intermittent misfire on #1 cylinder. Help Please.
  35. Rotten Egg smell....
  36. 97 concours hard starting
  37. Bbob-Interesting facts of Northstar engines
  38. Engine stalled and wont restart!!!
  39. Northstar hesitation
  40. '96 Northstar Vs. '97 Northstar
  41. fuel injectors???
  42. Tranny clunk in 98 sls
  43. Head Bolt Torque
  44. Was driving and caddy cut off?
  45. 97 STS and EGR
  46. Oil for Northstar 7.5 or 8.0
  47. Low Refrigerant Msg: 2 or 3 cans?
  48. Northstar head gasket parts.
  49. 94 Concourse Transmission
  50. 97 Eldorado Fuel Pump gone bad?
  51. im new want to know some things
  52. BBob, 2 stroke oil in gas to preserve...
  53. Reprogramming Computer
  54. which plug is right?
  55. bbob - Correct Crank Scraper/Placement
  56. want RWD N*
  57. What does a PCV valve do?
  58. 97 deville- Loud clunk followed by surging....
  59. Rattle in front of engine on first start up? Help!!
  60. Looking for performance items for the Northstar
  61. New revised Head Torque Procedure
  62. Torque Converter Stall for STS
  63. Carbon knock and 1 quart per 1.000 miles
  64. Stumped!! - problem setting cam timing
  65. Cleaned throttle body, lots of gunk...
  66. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  67. 96 Deville o2 Sensor question
  68. o2 sensor problems
  69. How common are the "Z" speed rated NorthStar's
  70. Diagnostic Code help
  71. Hard Shifting Problem 98 STS
  72. New 04" 4.6 vs previous 3 less MPG?
  73. Walker Quiet Flow Mufflers?
  74. Hard starting '96 Seville STS - Advice sought
  75. Oil in intake manifold (eek!?)
  76. Birds nest under my intake. 94 STS
  77. engine swapp
  78. northstar 4.6 1994 eldorado touring coupe
  79. 94 STS Where is my egr valve!
  80. Safety Recall: Aurora 4.0 - Fuel rail leaks
  81. 2000 Deville Stalls when idleing in drive
  82. 4.6 northstar engine
  83. Cases resealed and new style pistons?
  84. horrible surging
  85. AC blower keeps cutting off
  86. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  87. 97 Y NorthStar backfire
  88. abs/tcs fuse
  89. 93 STS with 4.6 sounds runs like crap, dies constantly!
  90. Dropping cradle - where's the other wiring?
  91. Trans too full!!!96 eldo
  92. Whats this all about???
  93. Is adding too much oil bad?
  94. More Power *grunt*!!!!
  95. What's wrong with my ABS
  96. fuel pump 96 eldo
  97. Aurora Recall (Fuel Rail)
  98. possibility of turbocharging a 94
  99. Whats the correct way to remove Trans ???
  100. timesert vs. helicoil
  101. 96 eldo ,problems abound
  102. Difference between 275 & 300 HP from # on Valve/cam Cover
  103. Resetting "low refridgerant" code??
  104. If you can get a filter from the dealer
  105. 2 codes
  106. What does the 97 STS Run?
  107. Need northstar balancer install tools.
  108. Long cranking, poor start
  109. 1996 Deville PCM 0717
  110. Case halves repair at 100,000 miles?
  111. Can't track down these error codes
  112. Engine Tick after oil change - very concerned
  113. F/S 2000 Northstar engine
  114. Jury rigged solution
  115. anybody watch TLC Rides yesterday?
  116. Help! Theft System Problem - Can't Start My 97 Concours
  117. A/C Question
  118. Bad Smog result
  119. 4.9 better than Northstar?
  120. Two Error Codes
  121. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  122. Northstar Intake manifold
  123. 4.0 cam swap/exhaust size
  124. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  125. Can someone tell me what GM PN's 1052080 & 12345382 are?
  126. OK Here Comes The Problems before summer.
  127. not so, everyday cadillac problems
  128. need help Removing Harmonic Balancer
  129. Very low refridgerant?? Please advise.
  130. Coolant Problem??
  131. Click noise when AC is on?
  132. how do i remove the...
  133. bottom pulley wabbles
  134. BCM causing rough idle?
  135. Water Pump Drive Pulley
  136. 98 SLS Trans/mounts Questions
  137. So how many people have had overheating/bad head gasket problems?
  138. Car Rides Horribly!
  139. PO85 Fix
  140. NEW exhaust idea...
  141. Northstar vs 4.9
  142. 4T80e questions
  143. check engine light
  144. Rough Idle
  145. More oil consumption
  146. Is it stupid to put in a new engine?????
  147. Advise on De Ville 97
  148. Oil filter
  149. Service Manuals
  150. Transmission Valve (or what the dealer told me)
  151. wierd idle
  152. Miracle fuel additive stopped noise and oil consumption
  153. 95 eldorado oil questions
  154. 95 Harness --> 93 Block/sensors?
  155. Kit Car w/Northstar, Engine VIN codes
  156. EGR Valve and Throttle Body
  157. Heater core?
  158. sticky gas pedal/rough idling/accelerating
  159. Head Bolts????
  160. OEM Liquid Sealant at Case Half Seal?
  161. Throttle Body, Rough Idle
  162. 97 air box mod?
  163. throttle body
  164. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  165. How good is the 4.6L N*
  166. Seville ECM Codes
  167. Trouble Code on '96 Eldorado
  168. tranny probs need help
  169. Unidentified noise in front driver side wheel on a hard right
  170. spark plug gap?
  171. need timesert kit for my 94 n*
  172. 1993 Northstar engine knock
  173. Code IRC B1771
  174. Excessive Crank Time - Advice Needed
  175. Cost Efficient Mods for '98 STS?
  176. Pls help! How much $ should it cost to repair.....
  177. trouble code retrival
  178. Iridium spark plugs
  179. Sedan Deville Diag Codes: How to interpret?
  180. Boosted caddys
  181. 95 sts,pcm?
  182. Northstar Mechanic
  183. 96 ETC code problems
  184. Codes
  185. Help with Timing Chain Removal
  186. help me with my ....
  187. It just quits (dies) restarts fine.
  188. fuel economy
  189. radiator with holes
  190. supercharged caddy?
  191. A few questions 2
  192. A little more Fuel or air needed.
  193. Is there anywhere to get the specs for a 4.6L Northstar
  194. Brake Fluid Flush
  195. GM part no. for timesert inserts?
  196. God ! please help me before my caddy kills me..
  197. 2000+ NorthStar modified to fit 1994 = success
  198. Lots O'Codes HELP!!!
  199. Coolant Change
  200. cruise control not working properly!
  201. Need help with codes
  202. i smell coolant, is my water pump bad?
  203. Crank micropolishing/where to buy parts?
  204. New Lights
  205. O2 sensor
  206. 95 eldorado Northstar over heats
  207. What to do, what to do...
  208. Main Bearing Replacement?
  209. Rear Main Seal Installer
  210. Looking for a few answers
  211. Help!!!
  212. 94 Seville
  213. My 1996 Sedan Deville won't go over 40 mph?
  214. Northstar and CHRFAB article
  215. 94 eldo compression test
  216. Ignition Wires
  217. Ran my STS again
  218. how long....
  219. 1994 Deville oil pan gasket leak
  220. Leaky oil pan gasket on 94 N* eldo
  221. Service Ride Control and traction control
  222. Some initial worries for 94 eldo tc
  223. some problems
  224. computer readout !!!
  225. Thottle Body
  226. Where to find a Northstar engine
  227. Rough Idel
  228. My 99 STS Overheated
  229. Engine Mounts
  230. oil pan gasket
  231. 94 Deville Concourse Billowing White Smoke
  232. cheap perfomance stuff...
  233. Coolant smell from heater; how screwed am I?
  234. Changing the fuel filter
  235. How to do a tuneup on a North*
  236. '96 SLS: IPC Option C problem
  237. Northstar Oil Usage
  238. Buzzing from turn signal
  239. Engine Data Analysis help
  240. 94 eldorado W/coolant in oil
  241. Growe3, Engine Removal Questions
  242. My .02 on Carbon
  243. N* plugs & wires: DIY or leave it for the pros?
  244. MAP sensor
  245. Lucus Products? Fuel Injector Cleaner
  246. Need Northstar Advic
  247. questions before installing new idle speed motor
  248. 94' Sls Pcm
  249. my first mod
  250. coolant leak - is this a bad fix?