: Northstar Engines and System Technical Discussion



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  1. Northstar error codes, OBD1 and OBD2
  2. after market chip up date?
  3. I think I'm cross-eyed
  4. Code T061 What Is It? How To Diag?
  5. N* cylinder heads question, Bbob
  6. finally got a code help help
  7. Norstar Leaking Enginer ...............CURE !
  8. 1995 eldorado northstar
  9. high idle
  10. Any word on the S/C project?
  11. 7 seconds before start.,
  12. Started removing the northstar
  13. Coolant Temp
  14. does a Northstar have lifters-how to replace
  15. 4.6 Northstar Engine mod question.
  16. All kinds of noises
  17. I Think I Threw a Rod
  18. 2000 Eldorado using oil???
  19. Diagnostic codes
  20. Northstar aftermarket and tuneability questions
  21. Diesel oil in gasoline engines...BBob, opinion?
  22. Lawrence Look
  23. what is wrong my engine or converter
  24. Bbob Look
  25. 93 Eldo cuts out on accel and shorts in Radio
  26. Seville not running right
  27. Alternating Types of OIL
  28. 96 Eldo jerking
  29. Head torque sequence
  30. Tool Hunt
  31. Tire Recommendation For 2000 Deville
  32. Have Questions About An Eldorado
  33. Swapping heads 94 -> 96
  34. Trans or Oil Cooler ?
  35. Oil leak is from pan
  36. me=moron
  37. Different Oil for Leaky Seals?
  38. Head vs. intake manifold gasket/overheating
  39. 98 STS spewed coolant...
  40. n*= @#$%^&*(
  41. 97 concours steering
  42. change trans fluid?
  43. HELP!!! my eldorados crazy.
  44. Head Work
  45. Headgasket/Rod Bearings/Carbon Buildup
  46. Fuel Filter Location?
  47. help 2000 deville servive engine light
  48. Coolant system seal tabs
  49. Emission Code E013
  50. Northstar timesert kit for sale,$175.00+shipping.
  51. Best oil for my geezer
  52. 93 STS with VSS issues
  53. radiator replacement?
  54. PCV Valve location?
  55. Where is the IAC module?
  56. K&N Filter for STS and Eldorado
  57. 93 4.6 dies at random then restarts
  58. Purge tank cap fiasco
  59. What does it take to swap intake manifolds?
  60. Oxygen Sensors......Need help soon!!!
  61. which hose does the bars leak go.
  62. 97 eld0 etc
  63. engine ID
  64. Interior dimmer location on 03 Deville?
  65. Blown Coolent crossover gasket....$$$$
  66. Missing Bracket or support
  67. Check Coolant Level
  68. 93 Eldo Overheats New Thermostat Didn't help
  69. Where to find tie bars?
  70. What's wrong in these pictures?
  71. 94 Northstar Oil Leak
  72. Northstar 4.0 mods?
  73. Engine Hesitation ?
  74. shift points???
  75. Pcm part number ???
  76. Northstar Engine Facts & Tid Bits
  77. oil filter 96 sts help
  78. Aurora airbox wrapped!
  79. Oil leaking on a 200K miles engine. Is the engine still good?
  80. Corsa Performance
  81. intermittent misfire on #1 cylinder. Help Please.
  82. Rotten Egg smell....
  83. 97 concours hard starting
  84. Bbob-Interesting facts of Northstar engines
  85. Engine stalled and wont restart!!!
  86. Northstar hesitation
  87. '96 Northstar Vs. '97 Northstar
  88. fuel injectors???
  89. Tranny clunk in 98 sls
  90. Head Bolt Torque
  91. Was driving and caddy cut off?
  92. 97 STS and EGR
  93. Oil for Northstar 7.5 or 8.0
  94. Low Refrigerant Msg: 2 or 3 cans?
  95. Northstar head gasket parts.
  96. 94 Concourse Transmission
  97. 97 Eldorado Fuel Pump gone bad?
  98. im new want to know some things
  99. BBob, 2 stroke oil in gas to preserve...
  100. Reprogramming Computer
  101. which plug is right?
  102. bbob - Correct Crank Scraper/Placement
  103. want RWD N*
  104. What does a PCV valve do?
  105. 97 deville- Loud clunk followed by surging....
  106. Rattle in front of engine on first start up? Help!!
  107. Looking for performance items for the Northstar
  108. New revised Head Torque Procedure
  109. Torque Converter Stall for STS
  110. Carbon knock and 1 quart per 1.000 miles
  111. Stumped!! - problem setting cam timing
  112. Cleaned throttle body, lots of gunk...
  113. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  114. 96 Deville o2 Sensor question
  115. o2 sensor problems
  116. How common are the "Z" speed rated NorthStar's
  117. Diagnostic Code help
  118. Hard Shifting Problem 98 STS
  119. New 04" 4.6 vs previous 3 less MPG?
  120. Walker Quiet Flow Mufflers?
  121. Hard starting '96 Seville STS - Advice sought
  122. Oil in intake manifold (eek!?)
  123. Birds nest under my intake. 94 STS
  124. engine swapp
  125. northstar 4.6 1994 eldorado touring coupe
  126. 94 STS Where is my egr valve!
  127. Safety Recall: Aurora 4.0 - Fuel rail leaks
  128. 2000 Deville Stalls when idleing in drive
  129. 4.6 northstar engine
  130. Cases resealed and new style pistons?
  131. horrible surging
  132. AC blower keeps cutting off
  133. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  134. 97 Y NorthStar backfire
  135. abs/tcs fuse
  136. 93 STS with 4.6 sounds runs like crap, dies constantly!
  137. Dropping cradle - where's the other wiring?
  138. Trans too full!!!96 eldo
  139. Whats this all about???
  140. Is adding too much oil bad?
  141. More Power *grunt*!!!!
  142. What's wrong with my ABS
  143. fuel pump 96 eldo
  144. Aurora Recall (Fuel Rail)
  145. possibility of turbocharging a 94
  146. Whats the correct way to remove Trans ???
  147. timesert vs. helicoil
  148. 96 eldo ,problems abound
  149. Difference between 275 & 300 HP from # on Valve/cam Cover
  150. Resetting "low refridgerant" code??
  151. If you can get a filter from the dealer
  152. 2 codes
  153. What does the 97 STS Run?
  154. Need northstar balancer install tools.
  155. Long cranking, poor start
  156. 1996 Deville PCM 0717
  157. Case halves repair at 100,000 miles?
  158. Can't track down these error codes
  159. Engine Tick after oil change - very concerned
  160. F/S 2000 Northstar engine
  161. Jury rigged solution
  162. anybody watch TLC Rides yesterday?
  163. Help! Theft System Problem - Can't Start My 97 Concours
  164. A/C Question
  165. Bad Smog result
  166. 4.9 better than Northstar?
  167. Two Error Codes
  168. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  169. Northstar Intake manifold
  170. 4.0 cam swap/exhaust size
  171. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  172. Can someone tell me what GM PN's 1052080 & 12345382 are?
  173. OK Here Comes The Problems before summer.
  174. not so, everyday cadillac problems
  175. need help Removing Harmonic Balancer
  176. Very low refridgerant?? Please advise.
  177. Coolant Problem??
  178. Click noise when AC is on?
  179. how do i remove the...
  180. bottom pulley wabbles
  181. BCM causing rough idle?
  182. Water Pump Drive Pulley
  183. 98 SLS Trans/mounts Questions
  184. So how many people have had overheating/bad head gasket problems?
  185. Car Rides Horribly!
  186. PO85 Fix
  187. NEW exhaust idea...
  188. Northstar vs 4.9
  189. 4T80e questions
  190. check engine light
  191. Rough Idle
  192. More oil consumption
  193. Is it stupid to put in a new engine?????
  194. Advise on De Ville 97
  195. Oil filter
  196. Service Manuals
  197. Transmission Valve (or what the dealer told me)
  198. wierd idle
  199. Miracle fuel additive stopped noise and oil consumption
  200. 95 eldorado oil questions
  201. 95 Harness --> 93 Block/sensors?
  202. Kit Car w/Northstar, Engine VIN codes
  203. EGR Valve and Throttle Body
  204. Heater core?
  205. sticky gas pedal/rough idling/accelerating
  206. Head Bolts????
  207. OEM Liquid Sealant at Case Half Seal?
  208. Throttle Body, Rough Idle
  209. 97 air box mod?
  210. throttle body
  211. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  212. How good is the 4.6L N*
  213. Seville ECM Codes
  214. Trouble Code on '96 Eldorado
  215. tranny probs need help
  216. Unidentified noise in front driver side wheel on a hard right
  217. spark plug gap?
  218. need timesert kit for my 94 n*
  219. 1993 Northstar engine knock
  220. Code IRC B1771
  221. Excessive Crank Time - Advice Needed
  222. Cost Efficient Mods for '98 STS?
  223. Pls help! How much $ should it cost to repair.....
  224. trouble code retrival
  225. Iridium spark plugs
  226. Sedan Deville Diag Codes: How to interpret?
  227. Boosted caddys
  228. 95 sts,pcm?
  229. Northstar Mechanic
  230. 96 ETC code problems
  231. Codes
  232. Help with Timing Chain Removal
  233. help me with my ....
  234. It just quits (dies) restarts fine.
  235. fuel economy
  236. radiator with holes
  237. supercharged caddy?
  238. A few questions 2
  239. A little more Fuel or air needed.
  240. Is there anywhere to get the specs for a 4.6L Northstar
  241. Brake Fluid Flush
  242. GM part no. for timesert inserts?
  243. God ! please help me before my caddy kills me..
  244. 2000+ NorthStar modified to fit 1994 = success
  245. Lots O'Codes HELP!!!
  246. Coolant Change
  247. cruise control not working properly!
  248. Need help with codes
  249. i smell coolant, is my water pump bad?
  250. Crank micropolishing/where to buy parts?