: Northstar Engines and System Technical Discussion



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