: Northstar Engines and System Technical Discussion



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  1. Almost Overheating - is this Head Gasket ?
  2. Could Use Some Insight
  3. OBD Code E-119
  4. Deville Motor Swap 1997 to 1997 sts
  5. Took on my friend's LS1 *VID*
  6. 94 northstar cooling issue
  7. OIL FILTER/oil/AIR FILTER? What do you use on your N*?
  8. Time-sert kit
  9. 95 SLS Water Pump Removal Impact Wrench or Not?
  10. 2000 Deville Mechanical Issues *HELP*
  11. Can this be possible?
  12. looking for spark plugs
  13. need correct belt size to bypass ac comp on 97 concours
  14. DYI or NOT, Blown waterpump housing gasket
  15. Northstar 4.0 Aurora 97 interchangability
  16. Programmable ECU for STS 4.6L?
  17. Rough Idle Question For Ewill3rd
  18. Bought a Timesert kit on Ebay, what else do I need to install Norms inserts?
  19. loss of power overheating issues HELP
  20. What Anti-Freeze
  21. 50 Deville - Code = P0300 current
  22. New Owner/Member w/ n*star question
  23. P0300 - Timing Off
  24. intake gaskets
  25. Northstar 4.6 Coolant loss - but only under load
  26. 2000 deville or 1997 eldorado
  27. Northstar head gasket failures
  28. GM Top Engine Cleaner
  29. Coolent Temp
  30. Going to the track
  31. N* cylinder numbers
  32. Witnessed some component fail, what to do?
  33. Overhaeting Or Not or Maybe PLEASE HELP
  34. Non ACDelco Part?
  35. Electrical Problems With 94' Seville
  36. No HI cooling fan speed?
  37. Where to cut?? cradle bolt just spins
  38. engine ID
  39. Timing Chain Slack
  40. 2000 Deville Head gasket?
  41. 2000 Dts Front Engine Mount - Best Way To Change?
  42. coolant level deville 98
  43. Drag Race Calculator...
  44. engine swap pipe dreams
  45. Ingnition MAx Fuse burns out to stall 99 deville
  46. 98 sts what fits
  47. Northstar engine performance in my 01' DeVille DHS
  48. starter woes
  49. Intermittent spark loss on random coils 94' STS
  50. Disable the SIR
  51. Can you pull the front head with the engine in the car?
  52. Mechanics - Chicago area - Help
  53. Northstar Plenum Woes
  54. How to change pulley
  55. Engine to trans. bracket locations
  56. Is this an LT5
  57. 2001 Northstar in a 93 sts?
  58. no spark
  59. 1994 Cadillac STS
  60. Manifold or water pump causing overheating???
  61. Northstar crank sensor locations
  62. Quick engine swap question
  63. Solid Front Engine Mounts
  64. 98 deville no blower motor
  65. Still overheating
  66. Serpentine Belt
  67. couple of cooling sistem questions
  68. How many gallons Dex-Cool will I need.....
  69. oil can lite on and engine shuts down
  70. cat recomendations
  71. Therma Gasket Fixed My Head Leak
  72. Ignition Module Pin Out
  73. HG or paranoia?
  74. 2000 SLS keeps stalling
  75. another n* head gasket question
  76. Do you know what this part is?
  77. N* dissassembled engine found
  78. This Is Not a Joke
  79. My Rough Idle Story, So Far...
  80. 02 SLS running rough after pulling air box silencer
  81. 97 SLS N* Overheating quickly
  82. '95 STS Stuck in 3rd Gear
  83. 98 Deville non-functional engine cooler fan
  84. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  85. 300hp N* to a Base N*
  86. Added my 99 STS to the HeadGasket poll...
  87. ATTN: All Volant owners
  88. 93 octane + WOT = rattle?
  89. Drill Guide for Head Bolt Inserts
  90. Idle issue when cold
  91. 94 el dorado starter location
  92. 1-2 At 45 Now Instead Of 40?
  93. Northstar fuel rail redesign
  94. 95 Eldorado with disturbing sound...
  95. Deville 98 coolant
  96. Is this the beginning of the end for my STS?
  97. 1994 Deville con
  98. 01 Olds Aurora Question...
  99. Coolant overflow?
  100. Switching a 1998 Northstar with a 2005 ?
  101. What to do with my 2000 DTS?
  102. Oh
  103. Headgasket info?
  104. Blown Engine???
  105. Fuel Induction System Specs
  106. Car is over heating?
  107. '02 STS Drain Plug Issue
  108. Oil guzzling 2003 Deville Northstar V8
  109. Cracked Block, exterior, 1997 Northstar
  110. Coil Bank Problems
  111. balancer bolt
  112. 2000 DeVille Overheats
  113. sounds like harmonic balancer??
  114. Over heating
  115. MSD Plug wires
  116. Delphi/Packard vs Delco Plug Wires
  117. HG Failure, Round 2
  118. new fuel injector & upper engine cleaner
  119. Tranny Question
  120. Location of ALL o2 sensors
  121. Hey Guys
  122. 93 Eldorado Sport Coupe Vs Touring Coupe
  123. ac compressor problem???
  124. Combustion Leak Detection
  125. Po41 code set
  126. Porting the throttlebody
  127. Another 97 DeVille Overheating Issue
  128. Can '03 Seville display digital coolant temp reading?
  129. BARS Head Gasket Fix and Aux Fan control
  130. Whistling pressure relief on N* Intake Manifold???
  131. Who needs a Timesert kit- I have one!!
  132. where does this thing go (headgasket job)
  133. Hard Start
  134. any tips on removing coolant crossover?
  135. 1996 Deville Intake??
  136. Performing "block" test from Napa
  137. Service A/c and A/C compressor off
  138. draining trans fluid 4T80E
  139. no start lots of codes network ?
  140. engine swap
  141. 1993 to 1999 Cam Wear Fix
  142. 94 Eldo ETC
  143. Need diagnosis - 98 STS overheating
  144. Professional Coolant Flush
  145. 4T80-E transaxle
  146. Oil Adapter housing Problems :(
  147. Head gasket, possibly cracked block...
  148. etanol blend, what does it do to the n?
  149. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  150. Problem with my Fast Chip
  151. Is there a Northstar FAQ section?
  152. 97 sts auto radio shut off
  153. Severe engine miss at idle-dirty gas in filter
  154. How Do I Change the ignition switch
  155. Cadillac De Ville 1999 OverHeat
  156. NO START, but the battery is good
  157. STS "Limited to 90 Miles an Hour" Message
  158. 1997 STS Ghostly Noise from Vacuum Leak?
  159. 4T80E bellhousing: starter?
  160. Blown Head Gasket On A 97 Deville
  161. North Star & Transmission Issues
  162. Head Gaskets
  163. Oil Housing
  164. North Star & Transmission Issues
  165. 4t80e problems
  166. Reverse problem someone please help me please
  167. AC & Intake
  168. '99 El Dorado Trans Question 2
  169. '99 El Dorado Tranaxle Modulator Location and Replacement
  170. Compression and oil consumption
  171. Anyone sells lower temperature thermostats?
  172. 1996 Deville Trouble Codes--Help Me!
  173. Aftermarket coils
  174. 05 STS V8 pcm reprogramming?
  175. '99 El Dorado White Smoke 70 mph and up
  176. Decel Stall
  177. no crank
  178. Who wants headers?!?!
  179. replacing oil pressure sending unit
  180. Northstar intermittent heating problem
  181. Compressed Natural Gas
  182. Proper A/C Recharge Pressure Spec?
  183. Head Bolt Torque
  184. what to do with a code
  185. Need headgaskets replaced...Twin Cities, MN area...
  186. Help finding exterior ground location IC Module
  187. Ran out of gas - Now will not start
  188. Hard Starting N* And Unknown Code
  189. Just wanted to check on some codes P0171 and P0134
  190. Ignition Miss - '98 DeVille
  191. Oil Testing, laboratories, and Additives
  192. What timesert kit is this referencing?
  193. Block Test Confirms!...or ?
  194. 2000 Deville with Denso plugs
  195. VIN or other link to body stamped on block?
  196. Prevent head gasket failure
  197. 2000 DeVille Northstar Problem
  198. Previously Timeserted block?
  199. turbo charging a Northstar
  200. p1350 & p1375 codes?
  201. bad fuel economy, rough(er) idle, need help!
  202. What gets relearned after battery disconnect?
  203. idle speed control
  204. 99 Deville Hesitation during Acceleration
  205. strange noise please help
  206. What happen to my overdrive???????
  207. Northstar Overheating!!! HELP
  208. After Timesert HG Repair Service Schedule?
  209. Top engine compartment struts
  210. '01 Deville with Half case leak, any temp fixes/band-aides?
  211. crankshaft sensor location ?
  212. Anyone heard of this?
  213. Are All Xlr's The New Style Closed Deck?
  214. MAF Translator
  215. Are A & B Crankshaft Position Sensors the same sensor??
  216. How much bubbling in surge tank indicates bad head gasket?
  217. Sick Baby
  218. Jet Power Flow Mass Air Sensor
  219. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  220. O2, IAT, MAF sensor reliability on 2000 N*?
  221. Another Successful Mod (albeit potentially destructive)
  222. Questions On Rebuilding a Northstar Engine
  223. eldorado1 (and others)...my brain is failing me...help!
  224. Kent-moore Inserts, Anyone Every Use Them?
  225. 1996 Eldorado Won't Start
  226. 93 STS Northstar wont start
  227. radiator hose sucking itself in after car cools off
  228. upper trans oil cooler hose leaking
  229. What to do with these? (headgasket help)
  230. Not Again
  231. How Much Coolant?!?!
  232. 99 STS Northstar and Trans axle Problem
  233. No access to PCM info via dashboard OBD?
  234. smoking engine after install
  235. Frenchy ask help for his cadillac sts
  236. Headgaskets And "time-serts"!?
  237. Rough runner when it rains. 93 n'star
  238. ~Cadillac Deville Concours 59,000 A DISASTER??~
  239. 93 Allante w/Northstar Tranny Issues
  240. What other engines fit a 1999 Cadillac sts?
  241. Best years for N* between 93 and 99
  242. Any possible options to fix this engine noise?
  243. P0171 to lean code?
  244. 98 Deville theft sytem problem??
  245. Leave no bolt behind - Transmission Case
  246. 2002 Deville HG Replacement
  247. 00 N* still rough idle after changing plenum, cleaning TB
  248. I broke a water pump pulley
  249. Catalytic Convertor Clogged
  250. OH no...another one!