: Northstar Engines and System Technical Discussion



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