: Northstar Engines and System Technical Discussion



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  1. 1997 cadillac deville performance?????
  2. 2005 STS with over 100k miles
  3. cadillac eldorado overheating but no oil in water
  4. 95 SLS w/ P076 Code - Trans pressure
  5. Where do you get Norms inserts?
  6. Engine heats up at idle (99 STS)
  7. Have two questions. Was looking around and found a leak.
  8. p1520 Trans Circuit
  9. Headgasket Fix for $1250
  10. Is it a head gasket?
  11. seriously clogged purge line! need help!
  12. Almost Overheating - is this Head Gasket ?
  13. Could Use Some Insight
  14. OBD Code E-119
  15. Deville Motor Swap 1997 to 1997 sts
  16. Took on my friend's LS1 *VID*
  17. 94 northstar cooling issue
  18. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  19. Time-sert kit
  20. 95 SLS Water Pump Removal Impact Wrench or Not?
  21. 2000 Deville Mechanical Issues *HELP*
  22. Can this be possible?
  23. looking for spark plugs
  24. need correct belt size to bypass ac comp on 97 concours
  25. DYI or NOT, Blown waterpump housing gasket
  26. Northstar 4.0 Aurora 97 interchangability
  27. Programmable ECU for STS 4.6L?
  28. Rough Idle Question For Ewill3rd
  29. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  30. loss of power overheating issues HELP
  31. What Anti-Freeze
  32. 50 Deville - Code = P0300 current
  33. New Owner/Member w/ n*star question
  34. P0300 - Timing Off
  35. intake gaskets
  36. Northstar 4.6 Coolant loss - but only under load
  37. 2000 deville or 1997 eldorado
  38. Northstar head gasket failures
  39. GM Top Engine Cleaner
  40. Coolent Temp
  41. Going to the track
  42. N* cylinder numbers
  43. Witnessed some component fail, what to do?
  44. Overhaeting Or Not or Maybe PLEASE HELP
  45. Non ACDelco Part?
  46. Electrical Problems With 94' Seville
  47. No HI cooling fan speed?
  48. Where to cut?? cradle bolt just spins
  49. engine ID
  50. Timing Chain Slack
  51. 2000 Deville Head gasket?
  52. 2000 Dts Front Engine Mount - Best Way To Change?
  53. coolant level deville 98
  54. Drag Race Calculator...
  55. engine swap pipe dreams
  56. Ingnition MAx Fuse burns out to stall 99 deville
  57. 98 sts what fits
  58. Northstar engine performance in my 01' DeVille DHS
  59. starter woes
  60. Intermittent spark loss on random coils 94' STS
  61. Disable the SIR
  62. Can you pull the front head with the engine in the car?
  63. Mechanics - Chicago area - Help
  64. Northstar Plenum Woes
  65. How to change pulley
  66. Engine to trans. bracket locations
  67. Is this an LT5
  68. 2001 Northstar in a 93 sts?
  69. no spark
  70. 1994 Cadillac STS
  71. Manifold or water pump causing overheating???
  72. Northstar crank sensor locations
  73. Quick engine swap question
  74. Solid Front Engine Mounts
  75. 98 deville no blower motor
  76. Still overheating
  77. Serpentine Belt
  78. couple of cooling sistem questions
  79. How many gallons Dex-Cool will I need.....
  80. oil can lite on and engine shuts down
  81. cat recomendations
  82. Therma Gasket Fixed My Head Leak
  83. Ignition Module Pin Out
  84. HG or paranoia?
  85. 2000 SLS keeps stalling
  86. another n* head gasket question
  87. Do you know what this part is?
  88. N* dissassembled engine found
  89. This Is Not a Joke
  90. My Rough Idle Story, So Far...
  91. 02 SLS running rough after pulling air box silencer
  92. 97 SLS N* Overheating quickly
  93. '95 STS Stuck in 3rd Gear
  94. 98 Deville non-functional engine cooler fan
  95. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  96. 300hp N* to a Base N*
  97. Added my 99 STS to the HeadGasket poll...
  98. ATTN: All Volant owners
  99. 93 octane + WOT = rattle?
  100. Drill Guide for Head Bolt Inserts
  101. Idle issue when cold
  102. 94 el dorado starter location
  103. 1-2 At 45 Now Instead Of 40?
  104. Northstar fuel rail redesign
  105. 95 Eldorado with disturbing sound...
  106. Deville 98 coolant
  107. Is this the beginning of the end for my STS?
  108. 1994 Deville con
  109. 01 Olds Aurora Question...
  110. Coolant overflow?
  111. Switching a 1998 Northstar with a 2005 ?
  112. What to do with my 2000 DTS?
  113. Oh
  114. Headgasket info?
  115. Blown Engine???
  116. Fuel Induction System Specs
  117. Car is over heating?
  118. '02 STS Drain Plug Issue
  119. Oil guzzling 2003 Deville Northstar V8
  120. Cracked Block, exterior, 1997 Northstar
  121. Coil Bank Problems
  122. balancer bolt
  123. 2000 DeVille Overheats
  124. sounds like harmonic balancer??
  125. Over heating
  126. MSD Plug wires
  127. Delphi/Packard vs Delco Plug Wires
  128. HG Failure, Round 2
  129. new fuel injector & upper engine cleaner
  130. Tranny Question
  131. Location of ALL o2 sensors
  132. Hey Guys
  133. 93 Eldorado Sport Coupe Vs Touring Coupe
  134. ac compressor problem???
  135. Combustion Leak Detection
  136. Po41 code set
  137. Porting the throttlebody
  138. Another 97 DeVille Overheating Issue
  139. Can '03 Seville display digital coolant temp reading?
  140. BARS Head Gasket Fix and Aux Fan control
  141. Whistling pressure relief on N* Intake Manifold???
  142. Who needs a Timesert kit- I have one!!
  143. where does this thing go (headgasket job)
  144. Hard Start
  145. any tips on removing coolant crossover?
  146. 1996 Deville Intake??
  147. Performing "block" test from Napa
  148. Service A/c and A/C compressor off
  149. draining trans fluid 4T80E
  150. no start lots of codes network ?
  151. engine swap
  152. 1993 to 1999 Cam Wear Fix
  153. 94 Eldo ETC
  154. Need diagnosis - 98 STS overheating
  155. Professional Coolant Flush
  156. 4T80-E transaxle
  157. Oil Adapter housing Problems :(
  158. Head gasket, possibly cracked block...
  159. etanol blend, what does it do to the n?
  160. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  161. Problem with my Fast Chip
  162. Is there a Northstar FAQ section?
  163. 97 sts auto radio shut off
  164. Severe engine miss at idle-dirty gas in filter
  165. How Do I Change the ignition switch
  166. Cadillac De Ville 1999 OverHeat
  167. NO START, but the battery is good
  168. STS "Limited to 90 Miles an Hour" Message
  169. 1997 STS Ghostly Noise from Vacuum Leak?
  170. 4T80E bellhousing: starter?
  171. Blown Head Gasket On A 97 Deville
  172. North Star & Transmission Issues
  173. Head Gaskets
  174. Oil Housing
  175. North Star & Transmission Issues
  176. 4t80e problems
  177. Reverse problem someone please help me please
  178. AC & Intake
  179. '99 El Dorado Trans Question 2
  180. '99 El Dorado Tranaxle Modulator Location and Replacement
  181. Compression and oil consumption
  182. Anyone sells lower temperature thermostats?
  183. 1996 Deville Trouble Codes--Help Me!
  184. Aftermarket coils
  185. 05 STS V8 pcm reprogramming?
  186. '99 El Dorado White Smoke 70 mph and up
  187. Decel Stall
  188. no crank
  189. Who wants headers?!?!
  190. replacing oil pressure sending unit
  191. Northstar intermittent heating problem
  192. Compressed Natural Gas
  193. Proper A/C Recharge Pressure Spec?
  194. Head Bolt Torque
  195. what to do with a code
  196. Need headgaskets replaced...Twin Cities, MN area...
  197. Help finding exterior ground location IC Module
  198. Ran out of gas - Now will not start
  199. Hard Starting N* And Unknown Code
  200. Just wanted to check on some codes P0171 and P0134
  201. Ignition Miss - '98 DeVille
  202. Oil Testing, laboratories, and Additives
  203. What timesert kit is this referencing?
  204. Block Test Confirms!...or ?
  205. 2000 Deville with Denso plugs
  206. VIN or other link to body stamped on block?
  207. Prevent head gasket failure
  208. 2000 DeVille Northstar Problem
  209. Previously Timeserted block?
  210. turbo charging a Northstar
  211. p1350 & p1375 codes?
  212. bad fuel economy, rough(er) idle, need help!
  213. What gets relearned after battery disconnect?
  214. idle speed control
  215. 99 Deville Hesitation during Acceleration
  216. strange noise please help
  217. What happen to my overdrive???????
  218. Northstar Overheating!!! HELP
  219. After Timesert HG Repair Service Schedule?
  220. Top engine compartment struts
  221. '01 Deville with Half case leak, any temp fixes/band-aides?
  222. crankshaft sensor location ?
  223. Anyone heard of this?
  224. Are All Xlr's The New Style Closed Deck?
  225. MAF Translator
  226. Are A & B Crankshaft Position Sensors the same sensor??
  227. How much bubbling in surge tank indicates bad head gasket?
  228. Sick Baby
  229. Jet Power Flow Mass Air Sensor
  230. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  231. O2, IAT, MAF sensor reliability on 2000 N*?
  232. Another Successful Mod (albeit potentially destructive)
  233. Questions On Rebuilding a Northstar Engine
  234. eldorado1 (and others)...my brain is failing me...help!
  235. Kent-moore Inserts, Anyone Every Use Them?
  236. 1996 Eldorado Won't Start
  237. 93 STS Northstar wont start
  238. radiator hose sucking itself in after car cools off
  239. upper trans oil cooler hose leaking
  240. What to do with these? (headgasket help)
  241. Not Again
  242. How Much Coolant?!?!
  243. 99 STS Northstar and Trans axle Problem
  244. No access to PCM info via dashboard OBD?
  245. smoking engine after install
  246. Frenchy ask help for his cadillac sts
  247. Headgaskets And "time-serts"!?
  248. Rough runner when it rains. 93 n'star
  249. ~Cadillac Deville Concours 59,000 A DISASTER??~
  250. 93 Allante w/Northstar Tranny Issues