: Northstar Engines and System Technical Discussion



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