: Northstar Engines and System Technical Discussion



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  1. 94 el dorado starter location
  2. 1-2 At 45 Now Instead Of 40?
  3. Northstar fuel rail redesign
  4. 95 Eldorado with disturbing sound...
  5. Deville 98 coolant
  6. Is this the beginning of the end for my STS?
  7. 1994 Deville con
  8. 01 Olds Aurora Question...
  9. Coolant overflow?
  10. Switching a 1998 Northstar with a 2005 ?
  11. What to do with my 2000 DTS?
  12. Oh
  13. Headgasket info?
  14. Blown Engine???
  15. Fuel Induction System Specs
  16. Car is over heating?
  17. '02 STS Drain Plug Issue
  18. Oil guzzling 2003 Deville Northstar V8
  19. Cracked Block, exterior, 1997 Northstar
  20. Coil Bank Problems
  21. balancer bolt
  22. 2000 DeVille Overheats
  23. sounds like harmonic balancer??
  24. Over heating
  25. MSD Plug wires
  26. Delphi/Packard vs Delco Plug Wires
  27. HG Failure, Round 2
  28. new fuel injector & upper engine cleaner
  29. Tranny Question
  30. Location of ALL o2 sensors
  31. Hey Guys
  32. 93 Eldorado Sport Coupe Vs Touring Coupe
  33. ac compressor problem???
  34. Combustion Leak Detection
  35. Po41 code set
  36. Porting the throttlebody
  37. Another 97 DeVille Overheating Issue
  38. Can '03 Seville display digital coolant temp reading?
  39. BARS Head Gasket Fix and Aux Fan control
  40. Whistling pressure relief on N* Intake Manifold???
  41. Who needs a Timesert kit- I have one!!
  42. where does this thing go (headgasket job)
  43. Hard Start
  44. any tips on removing coolant crossover?
  45. 1996 Deville Intake??
  46. Performing "block" test from Napa
  47. Service A/c and A/C compressor off
  48. draining trans fluid 4T80E
  49. no start lots of codes network ?
  50. engine swap
  51. 1993 to 1999 Cam Wear Fix
  52. 94 Eldo ETC
  53. Need diagnosis - 98 STS overheating
  54. Professional Coolant Flush
  55. 4T80-E transaxle
  56. Oil Adapter housing Problems :(
  57. Head gasket, possibly cracked block...
  58. etanol blend, what does it do to the n?
  59. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  60. Problem with my Fast Chip
  61. Is there a Northstar FAQ section?
  62. 97 sts auto radio shut off
  63. Severe engine miss at idle-dirty gas in filter
  64. How Do I Change the ignition switch
  65. Cadillac De Ville 1999 OverHeat
  66. NO START, but the battery is good
  67. STS "Limited to 90 Miles an Hour" Message
  68. 1997 STS Ghostly Noise from Vacuum Leak?
  69. 4T80E bellhousing: starter?
  70. Blown Head Gasket On A 97 Deville
  71. North Star & Transmission Issues
  72. Head Gaskets
  73. Oil Housing
  74. North Star & Transmission Issues
  75. 4t80e problems
  76. Reverse problem someone please help me please
  77. AC & Intake
  78. '99 El Dorado Trans Question 2
  79. '99 El Dorado Tranaxle Modulator Location and Replacement
  80. Compression and oil consumption
  81. Anyone sells lower temperature thermostats?
  82. 1996 Deville Trouble Codes--Help Me!
  83. Aftermarket coils
  84. 05 STS V8 pcm reprogramming?
  85. '99 El Dorado White Smoke 70 mph and up
  86. Decel Stall
  87. no crank
  88. Who wants headers?!?!
  89. replacing oil pressure sending unit
  90. Northstar intermittent heating problem
  91. Compressed Natural Gas
  92. Proper A/C Recharge Pressure Spec?
  93. Head Bolt Torque
  94. what to do with a code
  95. Need headgaskets replaced...Twin Cities, MN area...
  96. Help finding exterior ground location IC Module
  97. Ran out of gas - Now will not start
  98. Hard Starting N* And Unknown Code
  99. Just wanted to check on some codes P0171 and P0134
  100. Ignition Miss - '98 DeVille
  101. Oil Testing, laboratories, and Additives
  102. What timesert kit is this referencing?
  103. Block Test Confirms!...or ?
  104. 2000 Deville with Denso plugs
  105. VIN or other link to body stamped on block?
  106. Prevent head gasket failure
  107. 2000 DeVille Northstar Problem
  108. Previously Timeserted block?
  109. turbo charging a Northstar
  110. p1350 & p1375 codes?
  111. bad fuel economy, rough(er) idle, need help!
  112. What gets relearned after battery disconnect?
  113. idle speed control
  114. 99 Deville Hesitation during Acceleration
  115. strange noise please help
  116. What happen to my overdrive???????
  117. Northstar Overheating!!! HELP
  118. After Timesert HG Repair Service Schedule?
  119. Top engine compartment struts
  120. '01 Deville with Half case leak, any temp fixes/band-aides?
  121. crankshaft sensor location ?
  122. Anyone heard of this?
  123. Are All Xlr's The New Style Closed Deck?
  124. MAF Translator
  125. Are A & B Crankshaft Position Sensors the same sensor??
  126. How much bubbling in surge tank indicates bad head gasket?
  127. Sick Baby
  128. Jet Power Flow Mass Air Sensor
  129. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  130. O2, IAT, MAF sensor reliability on 2000 N*?
  131. Another Successful Mod (albeit potentially destructive)
  132. Questions On Rebuilding a Northstar Engine
  133. eldorado1 (and others)...my brain is failing me...help!
  134. Kent-moore Inserts, Anyone Every Use Them?
  135. 1996 Eldorado Won't Start
  136. 93 STS Northstar wont start
  137. radiator hose sucking itself in after car cools off
  138. upper trans oil cooler hose leaking
  139. What to do with these? (headgasket help)
  140. Not Again
  141. How Much Coolant?!?!
  142. 99 STS Northstar and Trans axle Problem
  143. No access to PCM info via dashboard OBD?
  144. smoking engine after install
  145. Frenchy ask help for his cadillac sts
  146. Headgaskets And "time-serts"!?
  147. Rough runner when it rains. 93 n'star
  148. ~Cadillac Deville Concours 59,000 A DISASTER??~
  149. 93 Allante w/Northstar Tranny Issues
  150. What other engines fit a 1999 Cadillac sts?
  151. Best years for N* between 93 and 99
  152. Any possible options to fix this engine noise?
  153. P0171 to lean code?
  154. 98 Deville theft sytem problem??
  155. Leave no bolt behind - Transmission Case
  156. 2002 Deville HG Replacement
  157. 00 N* still rough idle after changing plenum, cleaning TB
  158. I broke a water pump pulley
  159. Catalytic Convertor Clogged
  160. OH no...another one!
  161. getting ready to start this hd job
  162. Looking for a 2000-2005 Deville/DHS
  163. Anyone Swapped a 4.4 SC Engine?
  164. power steering pressure hose
  165. Thinking of coming over to the N* camp....
  166. Main Bearing Cap Torque
  167. remote start diy <help please>
  168. Symptoms of broken motor mount (2000 STS) ??
  169. N* cams
  170. Check Gas Cap Code
  171. N* dress ups
  172. Fuel Cutoff For Z-rated Sts
  173. Possible Fuel issue?
  174. 2001 Deville thermostat
  175. Help!!!what Parts Do I Need For N*headgasket Replacements?
  176. Another overheater...
  177. Is it ok..........
  178. Engine oil level sensor leaking
  179. How to install Nitrous the correct way! I need input
  180. Are There any Hot Rodder's here?
  181. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  182. going to attempt head gaskets
  183. 1993 Northstar Rough Idle
  184. check this out if you have had cooling system trouble ie headgaskets
  185. PCM 0101 code set on WOT
  186. 96 Cad DeVille Questions
  187. Need help on 98 cad seville sls
  188. cometic, felpro or gm oem! Head gasket survey.
  189. Thank You so much
  190. Help
  191. Look at these plugs
  192. Fi A/f Ratio
  193. N* Headgasket Replacement
  194. northstar eldorado swap
  195. new HG, coolant issues
  196. replaced hg, low oil pressure
  197. What else should I clean when replacing intake plenum?
  198. 94 STS N* Top End Oil leak
  199. 94 STS High HC at Idle
  200. Is this a cracked intake plenum? (see attached pics)
  201. spare parts after rebuild **HELP**
  202. New Bar's Leaks Product
  203. Newest Intake work...
  204. Headgaskets!
  205. Fuel pressure or pump problem? Need Help!
  206. northstar engine
  207. 2001 Seville dies out????
  208. My Head gasket job
  209. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  210. air filter
  211. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  212. Northstar Rant
  213. A/C blowing warm air
  214. Sorry for the rant but early NS owners need to know
  215. sealant- case 1/2's
  216. 2000 N* Rough Idle in Seville STS
  217. 01 STS running rich
  218. Is car driveable with Blown HG?
  219. heating and a/c system please help
  220. clogged radiator?????
  221. Headgasket, or what?
  222. no spark
  223. how to replace motor mount on 97 deville northstar
  224. Which Northstar do I have?
  225. 94jN* What do I use for a sealant when I put the intake manifold back on?
  226. no spark
  227. Professionally Painted Northstar Engine Covers
  228. Reuse main bearings?
  229. Noise coming from LH head - valve?
  230. 94 N* Help white smoke out of exhaust
  231. Overheating mystery
  232. New Coolant
  233. PLEASE HELP!!! Stalling when warm and smoking alternator
  234. Car lunges forward when tapping gas
  235. 93, 94 or 95 Eldo worth buying?
  236. Does 2006 Dts Engines Have Headgasket Problems Also?
  237. misc questions
  238. northstar gone bad....AHHHHH
  239. camshaft sensor
  240. Replacing Cylinder Heads Project
  241. newest member of the headgasket club
  242. 1999 northstar warped heads
  243. Northstar engine swap
  244. p0340 camshaft position sensor
  245. northstar in a monte carlo
  246. could this be anything else?
  247. for under 8k would anybody buy a NS Caddy?
  248. No spark,Please help !!
  249. N* Water Pump...I think
  250. 4.6L Northstar CMP tests and replacement ?