: Northstar Engines and System Technical Discussion



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  1. Northstar 4.0 Aurora 97 interchangability
  2. Programmable ECU for STS 4.6L?
  3. Rough Idle Question For Ewill3rd
  4. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  5. loss of power overheating issues HELP
  6. What Anti-Freeze
  7. 50 Deville - Code = P0300 current
  8. New Owner/Member w/ n*star question
  9. P0300 - Timing Off
  10. intake gaskets
  11. Northstar 4.6 Coolant loss - but only under load
  12. 2000 deville or 1997 eldorado
  13. Northstar head gasket failures
  14. GM Top Engine Cleaner
  15. Coolent Temp
  16. Going to the track
  17. N* cylinder numbers
  18. Witnessed some component fail, what to do?
  19. Overhaeting Or Not or Maybe PLEASE HELP
  20. Non ACDelco Part?
  21. Electrical Problems With 94' Seville
  22. No HI cooling fan speed?
  23. Where to cut?? cradle bolt just spins
  24. engine ID
  25. Timing Chain Slack
  26. 2000 Deville Head gasket?
  27. 2000 Dts Front Engine Mount - Best Way To Change?
  28. coolant level deville 98
  29. Drag Race Calculator...
  30. engine swap pipe dreams
  31. Ingnition MAx Fuse burns out to stall 99 deville
  32. 98 sts what fits
  33. Northstar engine performance in my 01' DeVille DHS
  34. starter woes
  35. Intermittent spark loss on random coils 94' STS
  36. Disable the SIR
  37. Can you pull the front head with the engine in the car?
  38. Mechanics - Chicago area - Help
  39. Northstar Plenum Woes
  40. How to change pulley
  41. Engine to trans. bracket locations
  42. Is this an LT5
  43. 2001 Northstar in a 93 sts?
  44. no spark
  45. 1994 Cadillac STS
  46. Manifold or water pump causing overheating???
  47. Northstar crank sensor locations
  48. Quick engine swap question
  49. Solid Front Engine Mounts
  50. 98 deville no blower motor
  51. Still overheating
  52. Serpentine Belt
  53. couple of cooling sistem questions
  54. How many gallons Dex-Cool will I need.....
  55. oil can lite on and engine shuts down
  56. cat recomendations
  57. Therma Gasket Fixed My Head Leak
  58. Ignition Module Pin Out
  59. HG or paranoia?
  60. 2000 SLS keeps stalling
  61. another n* head gasket question
  62. Do you know what this part is?
  63. N* dissassembled engine found
  64. This Is Not a Joke
  65. My Rough Idle Story, So Far...
  66. 02 SLS running rough after pulling air box silencer
  67. 97 SLS N* Overheating quickly
  68. '95 STS Stuck in 3rd Gear
  69. 98 Deville non-functional engine cooler fan
  70. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  71. 300hp N* to a Base N*
  72. Added my 99 STS to the HeadGasket poll...
  73. ATTN: All Volant owners
  74. 93 octane + WOT = rattle?
  75. Drill Guide for Head Bolt Inserts
  76. Idle issue when cold
  77. 94 el dorado starter location
  78. 1-2 At 45 Now Instead Of 40?
  79. Northstar fuel rail redesign
  80. 95 Eldorado with disturbing sound...
  81. Deville 98 coolant
  82. Is this the beginning of the end for my STS?
  83. 1994 Deville con
  84. 01 Olds Aurora Question...
  85. Coolant overflow?
  86. Switching a 1998 Northstar with a 2005 ?
  87. What to do with my 2000 DTS?
  88. Oh
  89. Headgasket info?
  90. Blown Engine???
  91. Fuel Induction System Specs
  92. Car is over heating?
  93. '02 STS Drain Plug Issue
  94. Oil guzzling 2003 Deville Northstar V8
  95. Cracked Block, exterior, 1997 Northstar
  96. Coil Bank Problems
  97. balancer bolt
  98. 2000 DeVille Overheats
  99. sounds like harmonic balancer??
  100. Over heating
  101. MSD Plug wires
  102. Delphi/Packard vs Delco Plug Wires
  103. HG Failure, Round 2
  104. new fuel injector & upper engine cleaner
  105. Tranny Question
  106. Location of ALL o2 sensors
  107. Hey Guys
  108. 93 Eldorado Sport Coupe Vs Touring Coupe
  109. ac compressor problem???
  110. Combustion Leak Detection
  111. Po41 code set
  112. Porting the throttlebody
  113. Another 97 DeVille Overheating Issue
  114. Can '03 Seville display digital coolant temp reading?
  115. BARS Head Gasket Fix and Aux Fan control
  116. Whistling pressure relief on N* Intake Manifold???
  117. Who needs a Timesert kit- I have one!!
  118. where does this thing go (headgasket job)
  119. Hard Start
  120. any tips on removing coolant crossover?
  121. 1996 Deville Intake??
  122. Performing "block" test from Napa
  123. Service A/c and A/C compressor off
  124. draining trans fluid 4T80E
  125. no start lots of codes network ?
  126. engine swap
  127. 1993 to 1999 Cam Wear Fix
  128. 94 Eldo ETC
  129. Need diagnosis - 98 STS overheating
  130. Professional Coolant Flush
  131. 4T80-E transaxle
  132. Oil Adapter housing Problems :(
  133. Head gasket, possibly cracked block...
  134. etanol blend, what does it do to the n?
  135. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  136. Problem with my Fast Chip
  137. Is there a Northstar FAQ section?
  138. 97 sts auto radio shut off
  139. Severe engine miss at idle-dirty gas in filter
  140. How Do I Change the ignition switch
  141. Cadillac De Ville 1999 OverHeat
  142. NO START, but the battery is good
  143. STS "Limited to 90 Miles an Hour" Message
  144. 1997 STS Ghostly Noise from Vacuum Leak?
  145. 4T80E bellhousing: starter?
  146. Blown Head Gasket On A 97 Deville
  147. North Star & Transmission Issues
  148. Head Gaskets
  149. Oil Housing
  150. North Star & Transmission Issues
  151. 4t80e problems
  152. Reverse problem someone please help me please
  153. AC & Intake
  154. '99 El Dorado Trans Question 2
  155. '99 El Dorado Tranaxle Modulator Location and Replacement
  156. Compression and oil consumption
  157. Anyone sells lower temperature thermostats?
  158. 1996 Deville Trouble Codes--Help Me!
  159. Aftermarket coils
  160. 05 STS V8 pcm reprogramming?
  161. '99 El Dorado White Smoke 70 mph and up
  162. Decel Stall
  163. no crank
  164. Who wants headers?!?!
  165. replacing oil pressure sending unit
  166. Northstar intermittent heating problem
  167. Compressed Natural Gas
  168. Proper A/C Recharge Pressure Spec?
  169. Northstar head bolt torque - and later update
  170. what to do with a code
  171. Need headgaskets replaced...Twin Cities, MN area...
  172. Help finding exterior ground location IC Module
  173. Ran out of gas - Now will not start
  174. Hard Starting N* And Unknown Code
  175. Just wanted to check on some codes P0171 and P0134
  176. Ignition Miss - '98 DeVille
  177. Oil Testing, laboratories, and Additives
  178. What timesert kit is this referencing?
  179. Block Test Confirms!...or ?
  180. 2000 Deville with Denso plugs
  181. VIN or other link to body stamped on block?
  182. Prevent head gasket failure
  183. 2000 DeVille Northstar Problem
  184. Previously Timeserted block?
  185. turbo charging a Northstar
  186. p1350 & p1375 codes?
  187. bad fuel economy, rough(er) idle, need help!
  188. What gets relearned after battery disconnect?
  189. idle speed control
  190. 99 Deville Hesitation during Acceleration
  191. strange noise please help
  192. What happen to my overdrive???????
  193. Northstar Overheating!!! HELP
  194. After Timesert HG Repair Service Schedule?
  195. Top engine compartment struts
  196. '01 Deville with Half case leak, any temp fixes/band-aides?
  197. crankshaft sensor location ?
  198. Anyone heard of this?
  199. Are All Xlr's The New Style Closed Deck?
  200. MAF Translator
  201. Are A & B Crankshaft Position Sensors the same sensor??
  202. How much bubbling in surge tank indicates bad head gasket?
  203. Sick Baby
  204. Jet Power Flow Mass Air Sensor
  205. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  206. O2, IAT, MAF sensor reliability on 2000 N*?
  207. Another Successful Mod (albeit potentially destructive)
  208. Questions On Rebuilding a Northstar Engine
  209. eldorado1 (and others)...my brain is failing me...help!
  210. Kent-moore Inserts, Anyone Every Use Them?
  211. 1996 Eldorado Won't Start
  212. 93 STS Northstar wont start
  213. radiator hose sucking itself in after car cools off
  214. upper trans oil cooler hose leaking
  215. What to do with these? (headgasket help)
  216. Not Again
  217. How Much Coolant?!?!
  218. 99 STS Northstar and Trans axle Problem
  219. No access to PCM info via dashboard OBD?
  220. smoking engine after install
  221. Frenchy ask help for his cadillac sts
  222. Headgaskets And "time-serts"!?
  223. Rough runner when it rains. 93 n'star
  224. ~Cadillac Deville Concours 59,000 A DISASTER??~
  225. 93 Allante w/Northstar Tranny Issues
  226. What other engines fit a 1999 Cadillac sts?
  227. Best years for N* between 93 and 99
  228. Any possible options to fix this engine noise?
  229. P0171 to lean code?
  230. 98 Deville theft sytem problem??
  231. Leave no bolt behind - Transmission Case
  232. 2002 Deville HG Replacement
  233. 00 N* still rough idle after changing plenum, cleaning TB
  234. I broke a water pump pulley
  235. Catalytic Convertor Clogged
  236. OH no...another one!
  237. getting ready to start this hd job
  238. Looking for a 2000-2005 Deville/DHS
  239. Anyone Swapped a 4.4 SC Engine?
  240. power steering pressure hose
  241. Thinking of coming over to the N* camp....
  242. Main Bearing Cap Torque
  243. remote start diy <help please>
  244. Symptoms of broken motor mount (2000 STS) ??
  245. N* cams
  246. Check Gas Cap Code
  247. N* dress ups
  248. Fuel Cutoff For Z-rated Sts
  249. Possible Fuel issue?
  250. 2001 Deville thermostat