: Northstar Engines and System Technical Discussion



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