: Northstar Engines and System Technical Discussion



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  1. trans leak from a 4-80
  2. Loctite Red Gel REMOVAL!!!!!
  3. Service Emission System - No Acceleration
  4. Smoke
  5. 1996 Deville hard start and fuel pressure specs
  6. Doing my own head gasket
  7. 1997 cadillac deville performance?????
  8. 2005 STS with over 100k miles
  9. cadillac eldorado overheating but no oil in water
  10. 95 SLS w/ P076 Code - Trans pressure
  11. Where do you get Norms inserts?
  12. Engine heats up at idle (99 STS)
  13. Have two questions. Was looking around and found a leak.
  14. p1520 Trans Circuit
  15. Headgasket Fix for $1250
  16. Is it a head gasket?
  17. seriously clogged purge line! need help!
  18. Almost Overheating - is this Head Gasket ?
  19. Could Use Some Insight
  20. OBD Code E-119
  21. Deville Motor Swap 1997 to 1997 sts
  22. Took on my friend's LS1 *VID*
  23. 94 northstar cooling issue
  24. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  25. Time-sert kit
  26. 95 SLS Water Pump Removal Impact Wrench or Not?
  27. 2000 Deville Mechanical Issues *HELP*
  28. Can this be possible?
  29. looking for spark plugs
  30. need correct belt size to bypass ac comp on 97 concours
  31. DYI or NOT, Blown waterpump housing gasket
  32. Northstar 4.0 Aurora 97 interchangability
  33. Programmable ECU for STS 4.6L?
  34. Rough Idle Question For Ewill3rd
  35. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  36. loss of power overheating issues HELP
  37. What Anti-Freeze
  38. 50 Deville - Code = P0300 current
  39. New Owner/Member w/ n*star question
  40. P0300 - Timing Off
  41. intake gaskets
  42. Northstar 4.6 Coolant loss - but only under load
  43. 2000 deville or 1997 eldorado
  44. Northstar head gasket failures
  45. GM Top Engine Cleaner
  46. Coolent Temp
  47. Going to the track
  48. N* cylinder numbers
  49. Witnessed some component fail, what to do?
  50. Overhaeting Or Not or Maybe PLEASE HELP
  51. Non ACDelco Part?
  52. Electrical Problems With 94' Seville
  53. No HI cooling fan speed?
  54. Where to cut?? cradle bolt just spins
  55. engine ID
  56. Timing Chain Slack
  57. 2000 Deville Head gasket?
  58. 2000 Dts Front Engine Mount - Best Way To Change?
  59. coolant level deville 98
  60. Drag Race Calculator...
  61. engine swap pipe dreams
  62. Ingnition MAx Fuse burns out to stall 99 deville
  63. 98 sts what fits
  64. Northstar engine performance in my 01' DeVille DHS
  65. starter woes
  66. Intermittent spark loss on random coils 94' STS
  67. Disable the SIR
  68. Can you pull the front head with the engine in the car?
  69. Mechanics - Chicago area - Help
  70. Northstar Plenum Woes
  71. How to change pulley
  72. Engine to trans. bracket locations
  73. Is this an LT5
  74. 2001 Northstar in a 93 sts?
  75. no spark
  76. 1994 Cadillac STS
  77. Manifold or water pump causing overheating???
  78. Northstar crank sensor locations
  79. Quick engine swap question
  80. Solid Front Engine Mounts
  81. 98 deville no blower motor
  82. Still overheating
  83. Serpentine Belt
  84. couple of cooling sistem questions
  85. How many gallons Dex-Cool will I need.....
  86. oil can lite on and engine shuts down
  87. cat recomendations
  88. Therma Gasket Fixed My Head Leak
  89. Ignition Module Pin Out
  90. HG or paranoia?
  91. 2000 SLS keeps stalling
  92. another n* head gasket question
  93. Do you know what this part is?
  94. N* dissassembled engine found
  95. This Is Not a Joke
  96. My Rough Idle Story, So Far...
  97. 02 SLS running rough after pulling air box silencer
  98. 97 SLS N* Overheating quickly
  99. '95 STS Stuck in 3rd Gear
  100. 98 Deville non-functional engine cooler fan
  101. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  102. 300hp N* to a Base N*
  103. Added my 99 STS to the HeadGasket poll...
  104. ATTN: All Volant owners
  105. 93 octane + WOT = rattle?
  106. Drill Guide for Head Bolt Inserts
  107. Idle issue when cold
  108. 94 el dorado starter location
  109. 1-2 At 45 Now Instead Of 40?
  110. Northstar fuel rail redesign
  111. 95 Eldorado with disturbing sound...
  112. Deville 98 coolant
  113. Is this the beginning of the end for my STS?
  114. 1994 Deville con
  115. 01 Olds Aurora Question...
  116. Coolant overflow?
  117. Switching a 1998 Northstar with a 2005 ?
  118. What to do with my 2000 DTS?
  119. Oh
  120. Headgasket info?
  121. Blown Engine???
  122. Fuel Induction System Specs
  123. Car is over heating?
  124. '02 STS Drain Plug Issue
  125. Oil guzzling 2003 Deville Northstar V8
  126. Cracked Block, exterior, 1997 Northstar
  127. Coil Bank Problems
  128. balancer bolt
  129. 2000 DeVille Overheats
  130. sounds like harmonic balancer??
  131. Over heating
  132. MSD Plug wires
  133. Delphi/Packard vs Delco Plug Wires
  134. HG Failure, Round 2
  135. new fuel injector & upper engine cleaner
  136. Tranny Question
  137. Location of ALL o2 sensors
  138. Hey Guys
  139. 93 Eldorado Sport Coupe Vs Touring Coupe
  140. ac compressor problem???
  141. Combustion Leak Detection
  142. Po41 code set
  143. Porting the throttlebody
  144. Another 97 DeVille Overheating Issue
  145. Can '03 Seville display digital coolant temp reading?
  146. BARS Head Gasket Fix and Aux Fan control
  147. Whistling pressure relief on N* Intake Manifold???
  148. Who needs a Timesert kit- I have one!!
  149. where does this thing go (headgasket job)
  150. Hard Start
  151. any tips on removing coolant crossover?
  152. 1996 Deville Intake??
  153. Performing "block" test from Napa
  154. Service A/c and A/C compressor off
  155. draining trans fluid 4T80E
  156. no start lots of codes network ?
  157. engine swap
  158. 1993 to 1999 Cam Wear Fix
  159. 94 Eldo ETC
  160. Need diagnosis - 98 STS overheating
  161. Professional Coolant Flush
  162. 4T80-E transaxle
  163. Oil Adapter housing Problems :(
  164. Head gasket, possibly cracked block...
  165. etanol blend, what does it do to the n?
  166. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  167. Problem with my Fast Chip
  168. Is there a Northstar FAQ section?
  169. 97 sts auto radio shut off
  170. Severe engine miss at idle-dirty gas in filter
  171. How Do I Change the ignition switch
  172. Cadillac De Ville 1999 OverHeat
  173. NO START, but the battery is good
  174. STS "Limited to 90 Miles an Hour" Message
  175. 1997 STS Ghostly Noise from Vacuum Leak?
  176. 4T80E bellhousing: starter?
  177. Blown Head Gasket On A 97 Deville
  178. North Star & Transmission Issues
  179. Head Gaskets
  180. Oil Housing
  181. North Star & Transmission Issues
  182. 4t80e problems
  183. Reverse problem someone please help me please
  184. AC & Intake
  185. '99 El Dorado Trans Question 2
  186. '99 El Dorado Tranaxle Modulator Location and Replacement
  187. Compression and oil consumption
  188. Anyone sells lower temperature thermostats?
  189. 1996 Deville Trouble Codes--Help Me!
  190. Aftermarket coils
  191. 05 STS V8 pcm reprogramming?
  192. '99 El Dorado White Smoke 70 mph and up
  193. Decel Stall
  194. no crank
  195. Who wants headers?!?!
  196. replacing oil pressure sending unit
  197. Northstar intermittent heating problem
  198. Compressed Natural Gas
  199. Proper A/C Recharge Pressure Spec?
  200. Head Bolt Torque
  201. what to do with a code
  202. Need headgaskets replaced...Twin Cities, MN area...
  203. Help finding exterior ground location IC Module
  204. Ran out of gas - Now will not start
  205. Hard Starting N* And Unknown Code
  206. Just wanted to check on some codes P0171 and P0134
  207. Ignition Miss - '98 DeVille
  208. Oil Testing, laboratories, and Additives
  209. What timesert kit is this referencing?
  210. Block Test Confirms!...or ?
  211. 2000 Deville with Denso plugs
  212. VIN or other link to body stamped on block?
  213. Prevent head gasket failure
  214. 2000 DeVille Northstar Problem
  215. Previously Timeserted block?
  216. turbo charging a Northstar
  217. p1350 & p1375 codes?
  218. bad fuel economy, rough(er) idle, need help!
  219. What gets relearned after battery disconnect?
  220. idle speed control
  221. 99 Deville Hesitation during Acceleration
  222. strange noise please help
  223. What happen to my overdrive???????
  224. Northstar Overheating!!! HELP
  225. After Timesert HG Repair Service Schedule?
  226. Top engine compartment struts
  227. '01 Deville with Half case leak, any temp fixes/band-aides?
  228. crankshaft sensor location ?
  229. Anyone heard of this?
  230. Are All Xlr's The New Style Closed Deck?
  231. MAF Translator
  232. Are A & B Crankshaft Position Sensors the same sensor??
  233. How much bubbling in surge tank indicates bad head gasket?
  234. Sick Baby
  235. Jet Power Flow Mass Air Sensor
  236. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  237. O2, IAT, MAF sensor reliability on 2000 N*?
  238. Another Successful Mod (albeit potentially destructive)
  239. Questions On Rebuilding a Northstar Engine
  240. eldorado1 (and others)...my brain is failing me...help!
  241. Kent-moore Inserts, Anyone Every Use Them?
  242. 1996 Eldorado Won't Start
  243. 93 STS Northstar wont start
  244. radiator hose sucking itself in after car cools off
  245. upper trans oil cooler hose leaking
  246. What to do with these? (headgasket help)
  247. Not Again
  248. How Much Coolant?!?!
  249. 99 STS Northstar and Trans axle Problem
  250. No access to PCM info via dashboard OBD?