: Northstar Engines and System Technical Discussion



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  1. A/C Compressor Clutch
  2. coolant change procedure
  3. $4500 to replace head gasket...
  4. 94 concourse running rough
  5. 94 coolant leak
  6. Engine Out Bottom or Top?
  7. Water Pumps
  8. p076, transmission pressure solenoid help
  9. Transmission pan and Intake Manifold cover
  10. No TCC lock-up
  11. Trans. going out?
  12. Northstar worries
  13. dloch - &others swapping intakes...
  14. Bonneville GXP owners FYI
  15. bbob- help!
  16. Low oil pressure?
  17. 2x4s - raising the intake manifold
  18. Bbob
  19. I figured it out!!!...Almost..:(
  20. Northstar error codes, OBD1 and OBD2
  21. after market chip up date?
  22. I think I'm cross-eyed
  23. Code T061 What Is It? How To Diag?
  24. N* cylinder heads question, Bbob
  25. finally got a code help help
  26. Norstar Leaking Enginer ...............CURE !
  27. 1995 eldorado northstar
  28. high idle
  29. Any word on the S/C project?
  30. 7 seconds before start.,
  31. Started removing the northstar
  32. Coolant Temp
  33. does a Northstar have lifters-how to replace
  34. 4.6 Northstar Engine mod question.
  35. All kinds of noises
  36. I Think I Threw a Rod
  37. 2000 Eldorado using oil???
  38. Diagnostic codes
  39. Northstar aftermarket and tuneability questions
  40. Diesel oil in gasoline engines...BBob, opinion?
  41. Lawrence Look
  42. what is wrong my engine or converter
  43. Bbob Look
  44. 93 Eldo cuts out on accel and shorts in Radio
  45. Seville not running right
  46. Alternating Types of OIL
  47. 96 Eldo jerking
  48. Head torque sequence
  49. Tool Hunt
  50. Tire Recommendation For 2000 Deville
  51. Have Questions About An Eldorado
  52. Swapping heads 94 -> 96
  53. Trans or Oil Cooler ?
  54. Oil leak is from pan
  55. me=moron
  56. Different Oil for Leaky Seals?
  57. Head vs. intake manifold gasket/overheating
  58. 98 STS spewed coolant...
  59. n*= @#$%^&*(
  60. 97 concours steering
  61. change trans fluid?
  62. HELP!!! my eldorados crazy.
  63. Head Work
  64. Headgasket/Rod Bearings/Carbon Buildup
  65. Fuel Filter Location?
  66. help 2000 deville servive engine light
  67. Coolant system seal tabs
  68. Emission Code E013
  69. Northstar timesert kit for sale,$175.00+shipping.
  70. Best oil for my geezer
  71. 93 STS with VSS issues
  72. radiator replacement?
  73. PCV Valve location?
  74. Where is the IAC module?
  75. K&N Filter for STS and Eldorado
  76. 93 4.6 dies at random then restarts
  77. Purge tank cap fiasco
  78. What does it take to swap intake manifolds?
  79. Oxygen Sensors......Need help soon!!!
  80. which hose does the bars leak go.
  81. 97 eld0 etc
  82. engine ID
  83. Interior dimmer location on 03 Deville?
  84. Blown Coolent crossover gasket....$$$$
  85. Missing Bracket or support
  86. Check Coolant Level
  87. 93 Eldo Overheats New Thermostat Didn't help
  88. Where to find tie bars?
  89. What's wrong in these pictures?
  90. 94 Northstar Oil Leak
  91. Northstar 4.0 mods?
  92. Engine Hesitation ?
  93. shift points???
  94. Pcm part number ???
  95. Northstar Engine Facts & Tid Bits
  96. oil filter 96 sts help
  97. Aurora airbox wrapped!
  98. Oil leaking on a 200K miles engine. Is the engine still good?
  99. Corsa Performance
  100. intermittent misfire on #1 cylinder. Help Please.
  101. Rotten Egg smell....
  102. 97 concours hard starting
  103. Bbob-Interesting facts of Northstar engines
  104. Engine stalled and wont restart!!!
  105. Northstar hesitation
  106. '96 Northstar Vs. '97 Northstar
  107. fuel injectors???
  108. Tranny clunk in 98 sls
  109. Head Bolt Torque
  110. Was driving and caddy cut off?
  111. 97 STS and EGR
  112. Oil for Northstar 7.5 or 8.0
  113. Low Refrigerant Msg: 2 or 3 cans?
  114. Northstar head gasket parts.
  115. 94 Concourse Transmission
  116. 97 Eldorado Fuel Pump gone bad?
  117. im new want to know some things
  118. BBob, 2 stroke oil in gas to preserve...
  119. Reprogramming Computer
  120. which plug is right?
  121. bbob - Correct Crank Scraper/Placement
  122. want RWD N*
  123. What does a PCV valve do?
  124. 97 deville- Loud clunk followed by surging....
  125. Rattle in front of engine on first start up? Help!!
  126. Looking for performance items for the Northstar
  127. New revised Head Torque Procedure
  128. Torque Converter Stall for STS
  129. Carbon knock and 1 quart per 1.000 miles
  130. Stumped!! - problem setting cam timing
  131. Cleaned throttle body, lots of gunk...
  132. 94 STS Rough Idle, Jerking in overdrive with no load on moter!
  133. 96 Deville o2 Sensor question
  134. o2 sensor problems
  135. How common are the "Z" speed rated NorthStar's
  136. Diagnostic Code help
  137. Hard Shifting Problem 98 STS
  138. New 04" 4.6 vs previous 3 less MPG?
  139. Walker Quiet Flow Mufflers?
  140. Hard starting '96 Seville STS - Advice sought
  141. Oil in intake manifold (eek!?)
  142. Birds nest under my intake. 94 STS
  143. engine swapp
  144. northstar 4.6 1994 eldorado touring coupe
  145. 94 STS Where is my egr valve!
  146. Safety Recall: Aurora 4.0 - Fuel rail leaks
  147. 2000 Deville Stalls when idleing in drive
  148. 4.6 northstar engine
  149. Cases resealed and new style pistons?
  150. horrible surging
  151. AC blower keeps cutting off
  152. Supercharged, need 93-95 4.6L intake manifold top cover to modify HELP!!
  153. 97 Y NorthStar backfire
  154. abs/tcs fuse
  155. 93 STS with 4.6 sounds runs like crap, dies constantly!
  156. Dropping cradle - where's the other wiring?
  157. Trans too full!!!96 eldo
  158. Whats this all about???
  159. Is adding too much oil bad?
  160. More Power *grunt*!!!!
  161. What's wrong with my ABS
  162. fuel pump 96 eldo
  163. Aurora Recall (Fuel Rail)
  164. possibility of turbocharging a 94
  165. Whats the correct way to remove Trans ???
  166. timesert vs. helicoil
  167. 96 eldo ,problems abound
  168. Difference between 275 & 300 HP from # on Valve/cam Cover
  169. Resetting "low refridgerant" code??
  170. If you can get a filter from the dealer
  171. 2 codes
  172. What does the 97 STS Run?
  173. Need northstar balancer install tools.
  174. Long cranking, poor start
  175. 1996 Deville PCM 0717
  176. Case halves repair at 100,000 miles?
  177. Can't track down these error codes
  178. Engine Tick after oil change - very concerned
  179. F/S 2000 Northstar engine
  180. Jury rigged solution
  181. anybody watch TLC Rides yesterday?
  182. Help! Theft System Problem - Can't Start My 97 Concours
  183. A/C Question
  184. Bad Smog result
  185. 4.9 better than Northstar?
  186. Two Error Codes
  187. WTB: 4.6L Northstar intake manifold (1993 Eldorado)
  188. Northstar Intake manifold
  189. 4.0 cam swap/exhaust size
  190. DTC P1377 - IC Cam Pulse To 4X Reference Pulse
  191. Can someone tell me what GM PN's 1052080 & 12345382 are?
  192. OK Here Comes The Problems before summer.
  193. not so, everyday cadillac problems
  194. need help Removing Harmonic Balancer
  195. Very low refridgerant?? Please advise.
  196. Coolant Problem??
  197. Click noise when AC is on?
  198. how do i remove the...
  199. bottom pulley wabbles
  200. BCM causing rough idle?
  201. Water Pump Drive Pulley
  202. 98 SLS Trans/mounts Questions
  203. So how many people have had overheating/bad head gasket problems?
  204. Car Rides Horribly!
  205. PO85 Fix
  206. NEW exhaust idea...
  207. Northstar vs 4.9
  208. 4T80e questions
  209. check engine light
  210. Rough Idle
  211. More oil consumption
  212. Is it stupid to put in a new engine?????
  213. Advise on De Ville 97
  214. Oil filter
  215. Service Manuals
  216. Transmission Valve (or what the dealer told me)
  217. wierd idle
  218. Miracle fuel additive stopped noise and oil consumption
  219. 95 eldorado oil questions
  220. 95 Harness --> 93 Block/sensors?
  221. Kit Car w/Northstar, Engine VIN codes
  222. EGR Valve and Throttle Body
  223. Heater core?
  224. sticky gas pedal/rough idling/accelerating
  225. Head Bolts????
  226. OEM Liquid Sealant at Case Half Seal?
  227. Throttle Body, Rough Idle
  228. 97 air box mod?
  229. throttle body
  230. Head Gasket Repair - Clean Up of Head, Block & Combustion Chambers?
  231. How good is the 4.6L N*
  232. Seville ECM Codes
  233. Trouble Code on '96 Eldorado
  234. tranny probs need help
  235. Unidentified noise in front driver side wheel on a hard right
  236. spark plug gap?
  237. need timesert kit for my 94 n*
  238. 1993 Northstar engine knock
  239. Code IRC B1771
  240. Excessive Crank Time - Advice Needed
  241. Cost Efficient Mods for '98 STS?
  242. Pls help! How much $ should it cost to repair.....
  243. trouble code retrival
  244. Iridium spark plugs
  245. Sedan Deville Diag Codes: How to interpret?
  246. Boosted caddys
  247. 95 sts,pcm?
  248. Northstar Mechanic
  249. 96 ETC code problems
  250. Codes