: Northstar Engines and System Technical Discussion



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  1. Can you pull the front head with the engine in the car?
  2. Mechanics - Chicago area - Help
  3. Northstar Plenum Woes
  4. How to change pulley
  5. Engine to trans. bracket locations
  6. Is this an LT5
  7. 2001 Northstar in a 93 sts?
  8. no spark
  9. 1994 Cadillac STS
  10. Manifold or water pump causing overheating???
  11. Northstar crank sensor locations
  12. Quick engine swap question
  13. Solid Front Engine Mounts
  14. 98 deville no blower motor
  15. Still overheating
  16. Serpentine Belt
  17. couple of cooling sistem questions
  18. How many gallons Dex-Cool will I need.....
  19. oil can lite on and engine shuts down
  20. cat recomendations
  21. Therma Gasket Fixed My Head Leak
  22. Ignition Module Pin Out
  23. HG or paranoia?
  24. 2000 SLS keeps stalling
  25. another n* head gasket question
  26. Do you know what this part is?
  27. N* dissassembled engine found
  28. This Is Not a Joke
  29. My Rough Idle Story, So Far...
  30. 02 SLS running rough after pulling air box silencer
  31. 97 SLS N* Overheating quickly
  32. '95 STS Stuck in 3rd Gear
  33. 98 Deville non-functional engine cooler fan
  34. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  35. 300hp N* to a Base N*
  36. Added my 99 STS to the HeadGasket poll...
  37. ATTN: All Volant owners
  38. 93 octane + WOT = rattle?
  39. Drill Guide for Head Bolt Inserts
  40. Idle issue when cold
  41. 94 el dorado starter location
  42. 1-2 At 45 Now Instead Of 40?
  43. Northstar fuel rail redesign
  44. 95 Eldorado with disturbing sound...
  45. Deville 98 coolant
  46. Is this the beginning of the end for my STS?
  47. 1994 Deville con
  48. 01 Olds Aurora Question...
  49. Coolant overflow?
  50. Switching a 1998 Northstar with a 2005 ?
  51. What to do with my 2000 DTS?
  52. Oh
  53. Headgasket info?
  54. Blown Engine???
  55. Fuel Induction System Specs
  56. Car is over heating?
  57. '02 STS Drain Plug Issue
  58. Oil guzzling 2003 Deville Northstar V8
  59. Cracked Block, exterior, 1997 Northstar
  60. Coil Bank Problems
  61. balancer bolt
  62. 2000 DeVille Overheats
  63. sounds like harmonic balancer??
  64. Over heating
  65. MSD Plug wires
  66. Delphi/Packard vs Delco Plug Wires
  67. HG Failure, Round 2
  68. new fuel injector & upper engine cleaner
  69. Tranny Question
  70. Location of ALL o2 sensors
  71. Hey Guys
  72. 93 Eldorado Sport Coupe Vs Touring Coupe
  73. ac compressor problem???
  74. Combustion Leak Detection
  75. Po41 code set
  76. Porting the throttlebody
  77. Another 97 DeVille Overheating Issue
  78. Can '03 Seville display digital coolant temp reading?
  79. BARS Head Gasket Fix and Aux Fan control
  80. Whistling pressure relief on N* Intake Manifold???
  81. Who needs a Timesert kit- I have one!!
  82. where does this thing go (headgasket job)
  83. Hard Start
  84. any tips on removing coolant crossover?
  85. 1996 Deville Intake??
  86. Performing "block" test from Napa
  87. Service A/c and A/C compressor off
  88. draining trans fluid 4T80E
  89. no start lots of codes network ?
  90. engine swap
  91. 1993 to 1999 Cam Wear Fix
  92. 94 Eldo ETC
  93. Need diagnosis - 98 STS overheating
  94. Professional Coolant Flush
  95. 4T80-E transaxle
  96. Oil Adapter housing Problems :(
  97. Head gasket, possibly cracked block...
  98. etanol blend, what does it do to the n?
  99. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  100. Problem with my Fast Chip
  101. Is there a Northstar FAQ section?
  102. 97 sts auto radio shut off
  103. Severe engine miss at idle-dirty gas in filter
  104. How Do I Change the ignition switch
  105. Cadillac De Ville 1999 OverHeat
  106. NO START, but the battery is good
  107. STS "Limited to 90 Miles an Hour" Message
  108. 1997 STS Ghostly Noise from Vacuum Leak?
  109. 4T80E bellhousing: starter?
  110. Blown Head Gasket On A 97 Deville
  111. North Star & Transmission Issues
  112. Head Gaskets
  113. Oil Housing
  114. North Star & Transmission Issues
  115. 4t80e problems
  116. Reverse problem someone please help me please
  117. AC & Intake
  118. '99 El Dorado Trans Question 2
  119. '99 El Dorado Tranaxle Modulator Location and Replacement
  120. Compression and oil consumption
  121. Anyone sells lower temperature thermostats?
  122. 1996 Deville Trouble Codes--Help Me!
  123. Aftermarket coils
  124. 05 STS V8 pcm reprogramming?
  125. '99 El Dorado White Smoke 70 mph and up
  126. Decel Stall
  127. no crank
  128. Who wants headers?!?!
  129. replacing oil pressure sending unit
  130. Northstar intermittent heating problem
  131. Compressed Natural Gas
  132. Proper A/C Recharge Pressure Spec?
  133. Head Bolt Torque
  134. what to do with a code
  135. Need headgaskets replaced...Twin Cities, MN area...
  136. Help finding exterior ground location IC Module
  137. Ran out of gas - Now will not start
  138. Hard Starting N* And Unknown Code
  139. Just wanted to check on some codes P0171 and P0134
  140. Ignition Miss - '98 DeVille
  141. Oil Testing, laboratories, and Additives
  142. What timesert kit is this referencing?
  143. Block Test Confirms!...or ?
  144. 2000 Deville with Denso plugs
  145. VIN or other link to body stamped on block?
  146. Prevent head gasket failure
  147. 2000 DeVille Northstar Problem
  148. Previously Timeserted block?
  149. turbo charging a Northstar
  150. p1350 & p1375 codes?
  151. bad fuel economy, rough(er) idle, need help!
  152. What gets relearned after battery disconnect?
  153. idle speed control
  154. 99 Deville Hesitation during Acceleration
  155. strange noise please help
  156. What happen to my overdrive???????
  157. Northstar Overheating!!! HELP
  158. After Timesert HG Repair Service Schedule?
  159. Top engine compartment struts
  160. '01 Deville with Half case leak, any temp fixes/band-aides?
  161. crankshaft sensor location ?
  162. Anyone heard of this?
  163. Are All Xlr's The New Style Closed Deck?
  164. MAF Translator
  165. Are A & B Crankshaft Position Sensors the same sensor??
  166. How much bubbling in surge tank indicates bad head gasket?
  167. Sick Baby
  168. Jet Power Flow Mass Air Sensor
  169. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  170. O2, IAT, MAF sensor reliability on 2000 N*?
  171. Another Successful Mod (albeit potentially destructive)
  172. Questions On Rebuilding a Northstar Engine
  173. eldorado1 (and others)...my brain is failing me...help!
  174. Kent-moore Inserts, Anyone Every Use Them?
  175. 1996 Eldorado Won't Start
  176. 93 STS Northstar wont start
  177. radiator hose sucking itself in after car cools off
  178. upper trans oil cooler hose leaking
  179. What to do with these? (headgasket help)
  180. Not Again
  181. How Much Coolant?!?!
  182. 99 STS Northstar and Trans axle Problem
  183. No access to PCM info via dashboard OBD?
  184. smoking engine after install
  185. Frenchy ask help for his cadillac sts
  186. Headgaskets And "time-serts"!?
  187. Rough runner when it rains. 93 n'star
  188. ~Cadillac Deville Concours 59,000 A DISASTER??~
  189. 93 Allante w/Northstar Tranny Issues
  190. What other engines fit a 1999 Cadillac sts?
  191. Best years for N* between 93 and 99
  192. Any possible options to fix this engine noise?
  193. P0171 to lean code?
  194. 98 Deville theft sytem problem??
  195. Leave no bolt behind - Transmission Case
  196. 2002 Deville HG Replacement
  197. 00 N* still rough idle after changing plenum, cleaning TB
  198. I broke a water pump pulley
  199. Catalytic Convertor Clogged
  200. OH no...another one!
  201. getting ready to start this hd job
  202. Looking for a 2000-2005 Deville/DHS
  203. Anyone Swapped a 4.4 SC Engine?
  204. power steering pressure hose
  205. Thinking of coming over to the N* camp....
  206. Main Bearing Cap Torque
  207. remote start diy <help please>
  208. Symptoms of broken motor mount (2000 STS) ??
  209. N* cams
  210. Check Gas Cap Code
  211. N* dress ups
  212. Fuel Cutoff For Z-rated Sts
  213. Possible Fuel issue?
  214. 2001 Deville thermostat
  215. Help!!!what Parts Do I Need For N*headgasket Replacements?
  216. Another overheater...
  217. Is it ok..........
  218. Engine oil level sensor leaking
  219. How to install Nitrous the correct way! I need input
  220. Are There any Hot Rodder's here?
  221. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  222. going to attempt head gaskets
  223. 1993 Northstar Rough Idle
  224. check this out if you have had cooling system trouble ie headgaskets
  225. PCM 0101 code set on WOT
  226. 96 Cad DeVille Questions
  227. Need help on 98 cad seville sls
  228. cometic, felpro or gm oem! Head gasket survey.
  229. Thank You so much
  230. Help
  231. Look at these plugs
  232. Fi A/f Ratio
  233. N* Headgasket Replacement
  234. northstar eldorado swap
  235. new HG, coolant issues
  236. replaced hg, low oil pressure
  237. What else should I clean when replacing intake plenum?
  238. 94 STS N* Top End Oil leak
  239. 94 STS High HC at Idle
  240. Is this a cracked intake plenum? (see attached pics)
  241. spare parts after rebuild **HELP**
  242. New Bar's Leaks Product
  243. Newest Intake work...
  244. Headgaskets!
  245. Fuel pressure or pump problem? Need Help!
  246. northstar engine
  247. 2001 Seville dies out????
  248. My Head gasket job
  249. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  250. air filter