: Northstar Engines and System Technical Discussion



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