: Northstar Engines and System Technical Discussion



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