: Northstar Engines and System Technical Discussion



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  1. '02 STS Drain Plug Issue
  2. Oil guzzling 2003 Deville Northstar V8
  3. Cracked Block, exterior, 1997 Northstar
  4. Coil Bank Problems
  5. balancer bolt
  6. 2000 DeVille Overheats
  7. sounds like harmonic balancer??
  8. Over heating
  9. MSD Plug wires
  10. Delphi/Packard vs Delco Plug Wires
  11. HG Failure, Round 2
  12. new fuel injector & upper engine cleaner
  13. Tranny Question
  14. Location of ALL o2 sensors
  15. Hey Guys
  16. 93 Eldorado Sport Coupe Vs Touring Coupe
  17. ac compressor problem???
  18. Combustion Leak Detection
  19. Po41 code set
  20. Porting the throttlebody
  21. Another 97 DeVille Overheating Issue
  22. Can '03 Seville display digital coolant temp reading?
  23. BARS Head Gasket Fix and Aux Fan control
  24. Whistling pressure relief on N* Intake Manifold???
  25. Who needs a Timesert kit- I have one!!
  26. where does this thing go (headgasket job)
  27. Hard Start
  28. any tips on removing coolant crossover?
  29. 1996 Deville Intake??
  30. Performing "block" test from Napa
  31. Service A/c and A/C compressor off
  32. draining trans fluid 4T80E
  33. no start lots of codes network ?
  34. engine swap
  35. 1993 to 1999 Cam Wear Fix
  36. 94 Eldo ETC
  37. Need diagnosis - 98 STS overheating
  38. Professional Coolant Flush
  39. 4T80-E transaxle
  40. Oil Adapter housing Problems :(
  41. Head gasket, possibly cracked block...
  42. etanol blend, what does it do to the n?
  43. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  44. Problem with my Fast Chip
  45. Is there a Northstar FAQ section?
  46. 97 sts auto radio shut off
  47. Severe engine miss at idle-dirty gas in filter
  48. How Do I Change the ignition switch
  49. Cadillac De Ville 1999 OverHeat
  50. NO START, but the battery is good
  51. STS "Limited to 90 Miles an Hour" Message
  52. 1997 STS Ghostly Noise from Vacuum Leak?
  53. 4T80E bellhousing: starter?
  54. Blown Head Gasket On A 97 Deville
  55. North Star & Transmission Issues
  56. Head Gaskets
  57. Oil Housing
  58. North Star & Transmission Issues
  59. 4t80e problems
  60. Reverse problem someone please help me please
  61. AC & Intake
  62. '99 El Dorado Trans Question 2
  63. '99 El Dorado Tranaxle Modulator Location and Replacement
  64. Compression and oil consumption
  65. Anyone sells lower temperature thermostats?
  66. 1996 Deville Trouble Codes--Help Me!
  67. Aftermarket coils
  68. 05 STS V8 pcm reprogramming?
  69. '99 El Dorado White Smoke 70 mph and up
  70. Decel Stall
  71. no crank
  72. Who wants headers?!?!
  73. replacing oil pressure sending unit
  74. Northstar intermittent heating problem
  75. Compressed Natural Gas
  76. Proper A/C Recharge Pressure Spec?
  77. Head Bolt Torque
  78. what to do with a code
  79. Need headgaskets replaced...Twin Cities, MN area...
  80. Help finding exterior ground location IC Module
  81. Ran out of gas - Now will not start
  82. Hard Starting N* And Unknown Code
  83. Just wanted to check on some codes P0171 and P0134
  84. Ignition Miss - '98 DeVille
  85. Oil Testing, laboratories, and Additives
  86. What timesert kit is this referencing?
  87. Block Test Confirms!...or ?
  88. 2000 Deville with Denso plugs
  89. VIN or other link to body stamped on block?
  90. Prevent head gasket failure
  91. 2000 DeVille Northstar Problem
  92. Previously Timeserted block?
  93. turbo charging a Northstar
  94. p1350 & p1375 codes?
  95. bad fuel economy, rough(er) idle, need help!
  96. What gets relearned after battery disconnect?
  97. idle speed control
  98. 99 Deville Hesitation during Acceleration
  99. strange noise please help
  100. What happen to my overdrive???????
  101. Northstar Overheating!!! HELP
  102. After Timesert HG Repair Service Schedule?
  103. Top engine compartment struts
  104. '01 Deville with Half case leak, any temp fixes/band-aides?
  105. crankshaft sensor location ?
  106. Anyone heard of this?
  107. Are All Xlr's The New Style Closed Deck?
  108. MAF Translator
  109. Are A & B Crankshaft Position Sensors the same sensor??
  110. How much bubbling in surge tank indicates bad head gasket?
  111. Sick Baby
  112. Jet Power Flow Mass Air Sensor
  113. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  114. O2, IAT, MAF sensor reliability on 2000 N*?
  115. Another Successful Mod (albeit potentially destructive)
  116. Questions On Rebuilding a Northstar Engine
  117. eldorado1 (and others)...my brain is failing me...help!
  118. Kent-moore Inserts, Anyone Every Use Them?
  119. 1996 Eldorado Won't Start
  120. 93 STS Northstar wont start
  121. radiator hose sucking itself in after car cools off
  122. upper trans oil cooler hose leaking
  123. What to do with these? (headgasket help)
  124. Not Again
  125. How Much Coolant?!?!
  126. 99 STS Northstar and Trans axle Problem
  127. No access to PCM info via dashboard OBD?
  128. smoking engine after install
  129. Frenchy ask help for his cadillac sts
  130. Headgaskets And "time-serts"!?
  131. Rough runner when it rains. 93 n'star
  132. ~Cadillac Deville Concours 59,000 A DISASTER??~
  133. 93 Allante w/Northstar Tranny Issues
  134. What other engines fit a 1999 Cadillac sts?
  135. Best years for N* between 93 and 99
  136. Any possible options to fix this engine noise?
  137. P0171 to lean code?
  138. 98 Deville theft sytem problem??
  139. Leave no bolt behind - Transmission Case
  140. 2002 Deville HG Replacement
  141. 00 N* still rough idle after changing plenum, cleaning TB
  142. I broke a water pump pulley
  143. Catalytic Convertor Clogged
  144. OH no...another one!
  145. getting ready to start this hd job
  146. Looking for a 2000-2005 Deville/DHS
  147. Anyone Swapped a 4.4 SC Engine?
  148. power steering pressure hose
  149. Thinking of coming over to the N* camp....
  150. Main Bearing Cap Torque
  151. remote start diy <help please>
  152. Symptoms of broken motor mount (2000 STS) ??
  153. N* cams
  154. Check Gas Cap Code
  155. N* dress ups
  156. Fuel Cutoff For Z-rated Sts
  157. Possible Fuel issue?
  158. 2001 Deville thermostat
  159. Help!!!what Parts Do I Need For N*headgasket Replacements?
  160. Another overheater...
  161. Is it ok..........
  162. Engine oil level sensor leaking
  163. How to install Nitrous the correct way! I need input
  164. Are There any Hot Rodder's here?
  165. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  166. going to attempt head gaskets
  167. 1993 Northstar Rough Idle
  168. check this out if you have had cooling system trouble ie headgaskets
  169. PCM 0101 code set on WOT
  170. 96 Cad DeVille Questions
  171. Need help on 98 cad seville sls
  172. cometic, felpro or gm oem! Head gasket survey.
  173. Thank You so much
  174. Help
  175. Look at these plugs
  176. Fi A/f Ratio
  177. N* Headgasket Replacement
  178. northstar eldorado swap
  179. new HG, coolant issues
  180. replaced hg, low oil pressure
  181. What else should I clean when replacing intake plenum?
  182. 94 STS N* Top End Oil leak
  183. 94 STS High HC at Idle
  184. Is this a cracked intake plenum? (see attached pics)
  185. spare parts after rebuild **HELP**
  186. New Bar's Leaks Product
  187. Newest Intake work...
  188. Headgaskets!
  189. Fuel pressure or pump problem? Need Help!
  190. northstar engine
  191. 2001 Seville dies out????
  192. My Head gasket job
  193. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  194. air filter
  195. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  196. Northstar Rant
  197. A/C blowing warm air
  198. Sorry for the rant but early NS owners need to know
  199. sealant- case 1/2's
  200. 2000 N* Rough Idle in Seville STS
  201. 01 STS running rich
  202. Is car driveable with Blown HG?
  203. heating and a/c system please help
  204. clogged radiator?????
  205. Headgasket, or what?
  206. no spark
  207. how to replace motor mount on 97 deville northstar
  208. Which Northstar do I have?
  209. 94jN* What do I use for a sealant when I put the intake manifold back on?
  210. no spark
  211. Professionally Painted Northstar Engine Covers
  212. Reuse main bearings?
  213. Noise coming from LH head - valve?
  214. 94 N* Help white smoke out of exhaust
  215. Overheating mystery
  216. New Coolant
  217. PLEASE HELP!!! Stalling when warm and smoking alternator
  218. Car lunges forward when tapping gas
  219. 93, 94 or 95 Eldo worth buying?
  220. Does 2006 Dts Engines Have Headgasket Problems Also?
  221. misc questions
  222. northstar gone bad....AHHHHH
  223. camshaft sensor
  224. Replacing Cylinder Heads Project
  225. newest member of the headgasket club
  226. 1999 northstar warped heads
  227. Northstar engine swap
  228. p0340 camshaft position sensor
  229. northstar in a monte carlo
  230. could this be anything else?
  231. for under 8k would anybody buy a NS Caddy?
  232. No spark,Please help !!
  233. N* Water Pump...I think
  234. 4.6L Northstar CMP tests and replacement ?
  235. 4t80-e
  236. Random Misfire P0300 code
  237. Head Gasket Failure Signs
  238. Which Head Gasket to use?
  239. Swap LD8 in for a L37
  240. Demise of the Northstar
  241. head gasket
  242. GM service manual dvd
  243. The Ultimate FWD Cadillac Northstar Build
  244. No pulses on the injector wires?
  245. Need a connecting rod nut
  246. are coils interchangible from front to rear?
  247. 99" Sts, Rough Idle When Cold. Help!!!
  248. Overheating after new headgasket
  249. Engine running at higher then normal RPM`s
  250. Replacing starter-port intake?