: Northstar Engines and System Technical Discussion



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  1. Head bolts & time-serts?
  2. Fuel filter R&r
  3. 98 SLS Overheating in minutes
  4. 96 deville fuel pressure regulator?
  5. blower motor control issues
  6. '96 Deville SES light on and hard to start
  7. Where can i find a supercharger
  8. Northstar Engine assembly - instructions
  9. 4T80E down shifting RPM 4000
  10. coolant leak
  11. Low Oil Pressure???
  12. Bar's Leaks "Head Gasket Repair"
  13. 96 Deville No Start condition, help
  14. 94 N* swap in 96 Eldo
  15. Preventing head gasket and cooling system failures...
  16. Engine oil life % - Who uses it?
  17. GM Dealer Coolant Procedure?
  18. Another Coolant Question
  19. Oil Additives... BBOB?? and others....
  20. 98 deville ses lights
  21. can '98 Northstar be tuned to take Regular Gas?
  22. gas in oil
  23. engine code 9 with a trouble code 53.
  24. 2001 eldorado engine quits momentarily
  25. 2002 Escalade 70k miles QUESTIONS???
  26. Re-Set Codes
  27. Codes and Coolant Mistery, Hesitation
  28. Synth ATF
  29. Check engine light
  30. Code Buttons
  31. EGR removal on 1997 seville w/ northstar?
  32. northstar 32v V8 2001 eldorado engine
  33. Engine wont rev Bad Tranny
  34. 4t80E will not shift into third
  35. Installed Magnaflows.........
  36. P039 VCC Lockup Problem: Read Archives, Still Have Questions
  37. EGR Trouble HELP???
  38. OBD? DTC? How do I access these?
  39. Heater hoses
  40. Heater hoses
  41. Radiator tablets redux
  42. "CHECK COOLANT LEVEL" 14 months after fluid change
  43. what does this code pertain to? pc0153 current
  44. i need help with my deville
  45. what is wrong with my 1996 deville
  46. Little green hoses
  47. DTS MODs?
  48. Trouble Codes and Car Shuddering
  49. EBTCM traction control module
  50. will purchase 98 Eldo ETC... who should inspect/work on car? EXT Warranty Info help
  51. Read This, Need Help!!! Egr??? Fpr???
  52. 98 deville
  53. Eldo Mods? chip, exhaust, nos, ect.
  54. 3 more radiator queries
  55. 2 more radiator drain queries
  56. Transmission Pressuse Solenoid
  57. 95 Concours Put Barsleak in canister
  58. 96 Deville codes pco603 and pco717
  59. Reset codes?
  60. "Flush" coolant?
  61. ETCBM (traction control computer)
  62. 1996 DeVille Northstar
  63. Motor mount help needed!
  64. 1994 STS First Roadtrip Coolant Temp
  65. Break In Oil
  66. question about N* headgasket
  67. trans code
  68. No 4th gear...
  69. 02 sensor
  70. Northstar longevity! 323,000 miles!
  71. 95 Seville SLS Major Problems
  72. Found the SES P102 issue! Now A/C issue
  73. TPS and/or EGR needed?
  74. OBDII diagnostic codes
  75. P0102/B1009/U1301 and others HELP!!!
  76. Max throtle angle
  77. Throttle Position Sensor relearn
  78. Original or swapped N*
  79. New cdes!!!!
  80. 1995 Concours, Fuel injector size?
  81. Reading .Bins from proms?
  82. Coolant changed to green... problem?
  83. Northstar Rebuild --- Chime In, I have questions...
  84. Preventive Maintenance While Engines Out
  85. burn out? burn not.
  86. Removing Heli-coils
  87. DIC items???
  88. cost?
  89. Oil Cooler Lines
  90. Smell Coolant but from what?
  91. VIN and Performance Questions
  92. Small coolant leak
  93. check engine soon
  94. 1994 Northstar Swap
  95. Bbob, Purging/exchanging tranny fluid
  96. Rough running 2000 Seville
  97. northstar motor swap
  98. oil pan gasket change
  99. 4T80E hard shift
  100. black box under car????
  101. 93 eldorado
  102. 1987 Deville Stereo Question, Please help?
  103. Fuel Injector
  104. Car jerking in 3rd gear
  105. 98 Northstar Motor Whistle
  106. Head Bolts, fixed by what year?
  107. Good repair shop in DC/MD/VA area
  108. 2001 Cracked block??
  109. rough idle at start-up
  110. Chronic miss in 4.6L Northstar
  111. Engine Cold/Knock/Tick Noise (Replace Pistons)
  112. Question for OBD1 Guys: Can you pop an eprom out of your ECM?
  113. Performance Upgrades?
  114. 02 sensor
  115. service eng light when heat turned on
  116. Won't start - Inconsistent compression
  117. L37 vs LD8, actual differences?
  118. Need Help Please!!!
  119. High charging voltage, stumped?
  120. No start on cold days?
  121. Dealer Diagnosis - $3000 BS??
  122. has anyone had a problem with 98 sls dieing at a low idle?
  123. ABS - Traction Control
  124. help with codes please
  125. High performance ignition?
  126. Northstar Performance Enhacements?
  127. Power LOSS
  128. Has anybody done a S/C northstar yet?
  129. PCM P1153: 02 Sensor Insufficient Switching, PLEASE HELP
  130. Traction Control Problem
  131. Bobbyinski -- Northstar failure
  132. Cold Engine Misfire
  133. DTCs from my flood car - help with diagnosis
  134. PCM code????
  135. how to pull dic codes?
  136. Dealer Installed Timesert Question
  137. 99 deville sounds/runs awful
  138. Oil pan gasket
  139. n.star water pump removal & install how-to
  140. Thinking of buying a Snap-On MT2500, any thoughts?
  141. Crankcase scrap rate.
  142. what years are compatible with my 93 STS?
  143. Aaaaagh! I should'v know better,
  144. Headlights wont cut off
  145. 2000+ engine in 1998 possible maybe?
  146. Service Engine Light Codes...Please Help
  147. Severe lack of performance
  148. Chk Emmisions/Chk Engine/Rough/Smelly
  149. code tc 0073 ?
  150. Leaking Radiator fixed
  151. RPM Surge at startup
  152. Engine Running Hot..239 at shut off
  153. 2000 deville clicking noise
  154. 1994 sts Idles @ 2-3 thousand RPM
  155. engine dies frequently-pc0231 the problem?
  156. Is this head gasket, or ? ? ?
  157. 94 Eldorado rough at slow speeds
  158. Particulars of VVT?
  159. Rough idle on cold start-up
  160. 5 reasons I LOVE my '94 n* DeVille
  161. Check Coolant Level after Water Pump R/R
  162. Engine Temperature
  163. MAT sensor, MAP sensor....
  164. Problems After Head Gasket Replacement...
  165. 98 Eldo running rough
  166. weight of the 4.6 northstar
  167. Computer programmer
  168. bent #1 con-rod 4.6 N* no signs!!?
  169. Oil leak?
  170. Thermostat sticking open?
  171. Volant Air Intake?
  172. Please Help With Problem On My Deville
  173. My new caddy...
  174. 4.6 litre dual turbo Northstar project, engine only?
  175. Oil pressure problem
  176. waterpump in a 98 Deville
  177. 93 STS Crank Position Sensors
  178. I need info!!!!
  179. high rpm northstar
  180. Misfire and SES light
  181. codes
  182. Rev Limiter in Park and Neutral??
  183. On Board diag?
  184. ? for Bbob re: engine designations
  185. Whats YOUR winter project?
  186. STS High Idle
  187. oil level message
  188. New member
  189. traction control light
  190. Engine "missing" during acceleration
  191. Vibration
  192. Repair cost
  193. Original v. New plug wires
  194. 94 Eldo Northstar No Spark - Why?
  195. Why is the left bank now the right bank?
  196. 1994 Northstar noise
  197. Question about Corsa exhaust
  198. Dont change my ATF???? Please Help!!!!
  199. "NEW" Northstar?
  200. 97 DeVille oil leak
  201. Cabin air filter
  202. Top Speed Reached - Fuel Pump Shutoff at 105mph?
  203. Northstar ?s
  204. Spark Plugs
  205. Head Gasket Problem
  206. concours will not crank in cold weather
  207. ShortStar 3.5L oil usage
  208. Dealer Fuel Injection and Carbon Treatment
  209. AC-Delco part vs Cadillac
  210. Transmission Q? What would you do.
  211. Northstar CAD drawings ???
  212. Please Help with Instructions to Replace radiator
  213. Anybody notice? Bbob - not driving a Caddy?!
  214. Got codes P0201 P0204 P0206 P0207 P0300
  215. Is around town driving in 3rd OK?
  216. Fuel In Intake Manifold
  217. Aftermarker engine computers
  218. Need oversize timesert kit
  219. Timesert Process and Cost
  220. Water pump changed, still leaking coolant !!
  221. Running rough, really baffled
  222. Code P0420
  223. PCM Overrides?
  224. 97 concours service engine soon no codes
  225. Help
  226. Idle speed control actuator (motor)
  227. want more power!
  228. my return,enter 1994 cadillac STS (callista II)
  229. Bolt size to put on engine stand
  230. some code questions
  231. 95 seville code P039
  232. arcing at 7/8 coil???
  233. Failing fuel pump...
  234. oil under the intake
  235. Little update on my progress
  236. Very odd smell ???
  237. EGR cleaning
  238. Weird problem... or maybe not.
  239. Northstar Maf Table...i Need
  240. Time used to install twenty head-bolt time-serts
  241. Exhaust Sounds and vid
  242. temp display revisited....
  243. 96 Deville Need Help! Code P0171
  244. Shorted Fuel Pump (Reply to bbobynski)
  245. How to pull codes on OBD2 SLS Seville?
  246. Does anyone have a link for OBD2 Code Explanations?
  247. It Lives! (again)
  248. No problems with my N*, how bout you?
  249. Weird DTC message...?
  250. Water pump tool