: Northstar Engines and System Technical Discussion



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  1. HG or paranoia?
  2. 2000 SLS keeps stalling
  3. another n* head gasket question
  4. Do you know what this part is?
  5. N* dissassembled engine found
  6. This Is Not a Joke
  7. My Rough Idle Story, So Far...
  8. 02 SLS running rough after pulling air box silencer
  9. 97 SLS N* Overheating quickly
  10. '95 STS Stuck in 3rd Gear
  11. 98 Deville non-functional engine cooler fan
  12. Post up your NORTHSTAR GAS MILEAGE (CTY/HWY) PLZ!
  13. 300hp N* to a Base N*
  14. Added my 99 STS to the HeadGasket poll...
  15. ATTN: All Volant owners
  16. 93 octane + WOT = rattle?
  17. Drill Guide for Head Bolt Inserts
  18. Idle issue when cold
  19. 94 el dorado starter location
  20. 1-2 At 45 Now Instead Of 40?
  21. Northstar fuel rail redesign
  22. 95 Eldorado with disturbing sound...
  23. Deville 98 coolant
  24. Is this the beginning of the end for my STS?
  25. 1994 Deville con
  26. 01 Olds Aurora Question...
  27. Coolant overflow?
  28. Switching a 1998 Northstar with a 2005 ?
  29. What to do with my 2000 DTS?
  30. Oh
  31. Headgasket info?
  32. Blown Engine???
  33. Fuel Induction System Specs
  34. Car is over heating?
  35. '02 STS Drain Plug Issue
  36. Oil guzzling 2003 Deville Northstar V8
  37. Cracked Block, exterior, 1997 Northstar
  38. Coil Bank Problems
  39. balancer bolt
  40. 2000 DeVille Overheats
  41. sounds like harmonic balancer??
  42. Over heating
  43. MSD Plug wires
  44. Delphi/Packard vs Delco Plug Wires
  45. HG Failure, Round 2
  46. new fuel injector & upper engine cleaner
  47. Tranny Question
  48. Location of ALL o2 sensors
  49. Hey Guys
  50. 93 Eldorado Sport Coupe Vs Touring Coupe
  51. ac compressor problem???
  52. Combustion Leak Detection
  53. Po41 code set
  54. Porting the throttlebody
  55. Another 97 DeVille Overheating Issue
  56. Can '03 Seville display digital coolant temp reading?
  57. BARS Head Gasket Fix and Aux Fan control
  58. Whistling pressure relief on N* Intake Manifold???
  59. Who needs a Timesert kit- I have one!!
  60. where does this thing go (headgasket job)
  61. Hard Start
  62. any tips on removing coolant crossover?
  63. 1996 Deville Intake??
  64. Performing "block" test from Napa
  65. Service A/c and A/C compressor off
  66. draining trans fluid 4T80E
  67. no start lots of codes network ?
  68. engine swap
  69. 1993 to 1999 Cam Wear Fix
  70. 94 Eldo ETC
  71. Need diagnosis - 98 STS overheating
  72. Professional Coolant Flush
  73. 4T80-E transaxle
  74. Oil Adapter housing Problems :(
  75. Head gasket, possibly cracked block...
  76. etanol blend, what does it do to the n?
  77. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  78. Problem with my Fast Chip
  79. Is there a Northstar FAQ section?
  80. 97 sts auto radio shut off
  81. Severe engine miss at idle-dirty gas in filter
  82. How Do I Change the ignition switch
  83. Cadillac De Ville 1999 OverHeat
  84. NO START, but the battery is good
  85. STS "Limited to 90 Miles an Hour" Message
  86. 1997 STS Ghostly Noise from Vacuum Leak?
  87. 4T80E bellhousing: starter?
  88. Blown Head Gasket On A 97 Deville
  89. North Star & Transmission Issues
  90. Head Gaskets
  91. Oil Housing
  92. North Star & Transmission Issues
  93. 4t80e problems
  94. Reverse problem someone please help me please
  95. AC & Intake
  96. '99 El Dorado Trans Question 2
  97. '99 El Dorado Tranaxle Modulator Location and Replacement
  98. Compression and oil consumption
  99. Anyone sells lower temperature thermostats?
  100. 1996 Deville Trouble Codes--Help Me!
  101. Aftermarket coils
  102. 05 STS V8 pcm reprogramming?
  103. '99 El Dorado White Smoke 70 mph and up
  104. Decel Stall
  105. no crank
  106. Who wants headers?!?!
  107. replacing oil pressure sending unit
  108. Northstar intermittent heating problem
  109. Compressed Natural Gas
  110. Proper A/C Recharge Pressure Spec?
  111. Head Bolt Torque
  112. what to do with a code
  113. Need headgaskets replaced...Twin Cities, MN area...
  114. Help finding exterior ground location IC Module
  115. Ran out of gas - Now will not start
  116. Hard Starting N* And Unknown Code
  117. Just wanted to check on some codes P0171 and P0134
  118. Ignition Miss - '98 DeVille
  119. Oil Testing, laboratories, and Additives
  120. What timesert kit is this referencing?
  121. Block Test Confirms!...or ?
  122. 2000 Deville with Denso plugs
  123. VIN or other link to body stamped on block?
  124. Prevent head gasket failure
  125. 2000 DeVille Northstar Problem
  126. Previously Timeserted block?
  127. turbo charging a Northstar
  128. p1350 & p1375 codes?
  129. bad fuel economy, rough(er) idle, need help!
  130. What gets relearned after battery disconnect?
  131. idle speed control
  132. 99 Deville Hesitation during Acceleration
  133. strange noise please help
  134. What happen to my overdrive???????
  135. Northstar Overheating!!! HELP
  136. After Timesert HG Repair Service Schedule?
  137. Top engine compartment struts
  138. '01 Deville with Half case leak, any temp fixes/band-aides?
  139. crankshaft sensor location ?
  140. Anyone heard of this?
  141. Are All Xlr's The New Style Closed Deck?
  142. MAF Translator
  143. Are A & B Crankshaft Position Sensors the same sensor??
  144. How much bubbling in surge tank indicates bad head gasket?
  145. Sick Baby
  146. Jet Power Flow Mass Air Sensor
  147. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  148. O2, IAT, MAF sensor reliability on 2000 N*?
  149. Another Successful Mod (albeit potentially destructive)
  150. Questions On Rebuilding a Northstar Engine
  151. eldorado1 (and others)...my brain is failing me...help!
  152. Kent-moore Inserts, Anyone Every Use Them?
  153. 1996 Eldorado Won't Start
  154. 93 STS Northstar wont start
  155. radiator hose sucking itself in after car cools off
  156. upper trans oil cooler hose leaking
  157. What to do with these? (headgasket help)
  158. Not Again
  159. How Much Coolant?!?!
  160. 99 STS Northstar and Trans axle Problem
  161. No access to PCM info via dashboard OBD?
  162. smoking engine after install
  163. Frenchy ask help for his cadillac sts
  164. Headgaskets And "time-serts"!?
  165. Rough runner when it rains. 93 n'star
  166. ~Cadillac Deville Concours 59,000 A DISASTER??~
  167. 93 Allante w/Northstar Tranny Issues
  168. What other engines fit a 1999 Cadillac sts?
  169. Best years for N* between 93 and 99
  170. Any possible options to fix this engine noise?
  171. P0171 to lean code?
  172. 98 Deville theft sytem problem??
  173. Leave no bolt behind - Transmission Case
  174. 2002 Deville HG Replacement
  175. 00 N* still rough idle after changing plenum, cleaning TB
  176. I broke a water pump pulley
  177. Catalytic Convertor Clogged
  178. OH no...another one!
  179. getting ready to start this hd job
  180. Looking for a 2000-2005 Deville/DHS
  181. Anyone Swapped a 4.4 SC Engine?
  182. power steering pressure hose
  183. Thinking of coming over to the N* camp....
  184. Main Bearing Cap Torque
  185. remote start diy <help please>
  186. Symptoms of broken motor mount (2000 STS) ??
  187. N* cams
  188. Check Gas Cap Code
  189. N* dress ups
  190. Fuel Cutoff For Z-rated Sts
  191. Possible Fuel issue?
  192. 2001 Deville thermostat
  193. Help!!!what Parts Do I Need For N*headgasket Replacements?
  194. Another overheater...
  195. Is it ok..........
  196. Engine oil level sensor leaking
  197. How to install Nitrous the correct way! I need input
  198. Are There any Hot Rodder's here?
  199. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  200. going to attempt head gaskets
  201. 1993 Northstar Rough Idle
  202. check this out if you have had cooling system trouble ie headgaskets
  203. PCM 0101 code set on WOT
  204. 96 Cad DeVille Questions
  205. Need help on 98 cad seville sls
  206. cometic, felpro or gm oem! Head gasket survey.
  207. Thank You so much
  208. Help
  209. Look at these plugs
  210. Fi A/f Ratio
  211. N* Headgasket Replacement
  212. northstar eldorado swap
  213. new HG, coolant issues
  214. replaced hg, low oil pressure
  215. What else should I clean when replacing intake plenum?
  216. 94 STS N* Top End Oil leak
  217. 94 STS High HC at Idle
  218. Is this a cracked intake plenum? (see attached pics)
  219. spare parts after rebuild **HELP**
  220. New Bar's Leaks Product
  221. Newest Intake work...
  222. Headgaskets!
  223. Fuel pressure or pump problem? Need Help!
  224. northstar engine
  225. 2001 Seville dies out????
  226. My Head gasket job
  227. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  228. air filter
  229. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  230. Northstar Rant
  231. A/C blowing warm air
  232. Sorry for the rant but early NS owners need to know
  233. sealant- case 1/2's
  234. 2000 N* Rough Idle in Seville STS
  235. 01 STS running rich
  236. Is car driveable with Blown HG?
  237. heating and a/c system please help
  238. clogged radiator?????
  239. Headgasket, or what?
  240. no spark
  241. how to replace motor mount on 97 deville northstar
  242. Which Northstar do I have?
  243. 94jN* What do I use for a sealant when I put the intake manifold back on?
  244. no spark
  245. Professionally Painted Northstar Engine Covers
  246. Reuse main bearings?
  247. Noise coming from LH head - valve?
  248. 94 N* Help white smoke out of exhaust
  249. Overheating mystery
  250. New Coolant