: Northstar Engines and System Technical Discussion



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  1. BARS Head Gasket Fix and Aux Fan control
  2. Whistling pressure relief on N* Intake Manifold???
  3. Who needs a Timesert kit- I have one!!
  4. where does this thing go (headgasket job)
  5. Hard Start
  6. any tips on removing coolant crossover?
  7. 1996 Deville Intake??
  8. Performing "block" test from Napa
  9. Service A/c and A/C compressor off
  10. draining trans fluid 4T80E
  11. no start lots of codes network ?
  12. engine swap
  13. 1993 to 1999 Cam Wear Fix
  14. 94 Eldo ETC
  15. Need diagnosis - 98 STS overheating
  16. Professional Coolant Flush
  17. 4T80-E transaxle
  18. Oil Adapter housing Problems :(
  19. Head gasket, possibly cracked block...
  20. etanol blend, what does it do to the n?
  21. Loaded '03 STS 103k great shape - Dealer says it's the head gaskets.
  22. Problem with my Fast Chip
  23. Is there a Northstar FAQ section?
  24. 97 sts auto radio shut off
  25. Severe engine miss at idle-dirty gas in filter
  26. How Do I Change the ignition switch
  27. Cadillac De Ville 1999 OverHeat
  28. NO START, but the battery is good
  29. STS "Limited to 90 Miles an Hour" Message
  30. 1997 STS Ghostly Noise from Vacuum Leak?
  31. 4T80E bellhousing: starter?
  32. Blown Head Gasket On A 97 Deville
  33. North Star & Transmission Issues
  34. Head Gaskets
  35. Oil Housing
  36. North Star & Transmission Issues
  37. 4t80e problems
  38. Reverse problem someone please help me please
  39. AC & Intake
  40. '99 El Dorado Trans Question 2
  41. '99 El Dorado Tranaxle Modulator Location and Replacement
  42. Compression and oil consumption
  43. Anyone sells lower temperature thermostats?
  44. 1996 Deville Trouble Codes--Help Me!
  45. Aftermarket coils
  46. 05 STS V8 pcm reprogramming?
  47. '99 El Dorado White Smoke 70 mph and up
  48. Decel Stall
  49. no crank
  50. Who wants headers?!?!
  51. replacing oil pressure sending unit
  52. Northstar intermittent heating problem
  53. Compressed Natural Gas
  54. Proper A/C Recharge Pressure Spec?
  55. Head Bolt Torque
  56. what to do with a code
  57. Need headgaskets replaced...Twin Cities, MN area...
  58. Help finding exterior ground location IC Module
  59. Ran out of gas - Now will not start
  60. Hard Starting N* And Unknown Code
  61. Just wanted to check on some codes P0171 and P0134
  62. Ignition Miss - '98 DeVille
  63. Oil Testing, laboratories, and Additives
  64. What timesert kit is this referencing?
  65. Block Test Confirms!...or ?
  66. 2000 Deville with Denso plugs
  67. VIN or other link to body stamped on block?
  68. Prevent head gasket failure
  69. 2000 DeVille Northstar Problem
  70. Previously Timeserted block?
  71. turbo charging a Northstar
  72. p1350 & p1375 codes?
  73. bad fuel economy, rough(er) idle, need help!
  74. What gets relearned after battery disconnect?
  75. idle speed control
  76. 99 Deville Hesitation during Acceleration
  77. strange noise please help
  78. What happen to my overdrive???????
  79. Northstar Overheating!!! HELP
  80. After Timesert HG Repair Service Schedule?
  81. Top engine compartment struts
  82. '01 Deville with Half case leak, any temp fixes/band-aides?
  83. crankshaft sensor location ?
  84. Anyone heard of this?
  85. Are All Xlr's The New Style Closed Deck?
  86. MAF Translator
  87. Are A & B Crankshaft Position Sensors the same sensor??
  88. How much bubbling in surge tank indicates bad head gasket?
  89. Sick Baby
  90. Jet Power Flow Mass Air Sensor
  91. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  92. O2, IAT, MAF sensor reliability on 2000 N*?
  93. Another Successful Mod (albeit potentially destructive)
  94. Questions On Rebuilding a Northstar Engine
  95. eldorado1 (and others)...my brain is failing me...help!
  96. Kent-moore Inserts, Anyone Every Use Them?
  97. 1996 Eldorado Won't Start
  98. 93 STS Northstar wont start
  99. radiator hose sucking itself in after car cools off
  100. upper trans oil cooler hose leaking
  101. What to do with these? (headgasket help)
  102. Not Again
  103. How Much Coolant?!?!
  104. 99 STS Northstar and Trans axle Problem
  105. No access to PCM info via dashboard OBD?
  106. smoking engine after install
  107. Frenchy ask help for his cadillac sts
  108. Headgaskets And "time-serts"!?
  109. Rough runner when it rains. 93 n'star
  110. ~Cadillac Deville Concours 59,000 A DISASTER??~
  111. 93 Allante w/Northstar Tranny Issues
  112. What other engines fit a 1999 Cadillac sts?
  113. Best years for N* between 93 and 99
  114. Any possible options to fix this engine noise?
  115. P0171 to lean code?
  116. 98 Deville theft sytem problem??
  117. Leave no bolt behind - Transmission Case
  118. 2002 Deville HG Replacement
  119. 00 N* still rough idle after changing plenum, cleaning TB
  120. I broke a water pump pulley
  121. Catalytic Convertor Clogged
  122. OH no...another one!
  123. getting ready to start this hd job
  124. Looking for a 2000-2005 Deville/DHS
  125. Anyone Swapped a 4.4 SC Engine?
  126. power steering pressure hose
  127. Thinking of coming over to the N* camp....
  128. Main Bearing Cap Torque
  129. remote start diy <help please>
  130. Symptoms of broken motor mount (2000 STS) ??
  131. N* cams
  132. Check Gas Cap Code
  133. N* dress ups
  134. Fuel Cutoff For Z-rated Sts
  135. Possible Fuel issue?
  136. 2001 Deville thermostat
  137. Help!!!what Parts Do I Need For N*headgasket Replacements?
  138. Another overheater...
  139. Is it ok..........
  140. Engine oil level sensor leaking
  141. How to install Nitrous the correct way! I need input
  142. Are There any Hot Rodder's here?
  143. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  144. going to attempt head gaskets
  145. 1993 Northstar Rough Idle
  146. check this out if you have had cooling system trouble ie headgaskets
  147. PCM 0101 code set on WOT
  148. 96 Cad DeVille Questions
  149. Need help on 98 cad seville sls
  150. cometic, felpro or gm oem! Head gasket survey.
  151. Thank You so much
  152. Help
  153. Look at these plugs
  154. Fi A/f Ratio
  155. N* Headgasket Replacement
  156. northstar eldorado swap
  157. new HG, coolant issues
  158. replaced hg, low oil pressure
  159. What else should I clean when replacing intake plenum?
  160. 94 STS N* Top End Oil leak
  161. 94 STS High HC at Idle
  162. Is this a cracked intake plenum? (see attached pics)
  163. spare parts after rebuild **HELP**
  164. New Bar's Leaks Product
  165. Newest Intake work...
  166. Headgaskets!
  167. Fuel pressure or pump problem? Need Help!
  168. northstar engine
  169. 2001 Seville dies out????
  170. My Head gasket job
  171. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  172. air filter
  173. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  174. Northstar Rant
  175. A/C blowing warm air
  176. Sorry for the rant but early NS owners need to know
  177. sealant- case 1/2's
  178. 2000 N* Rough Idle in Seville STS
  179. 01 STS running rich
  180. Is car driveable with Blown HG?
  181. heating and a/c system please help
  182. clogged radiator?????
  183. Headgasket, or what?
  184. no spark
  185. how to replace motor mount on 97 deville northstar
  186. Which Northstar do I have?
  187. 94jN* What do I use for a sealant when I put the intake manifold back on?
  188. no spark
  189. Professionally Painted Northstar Engine Covers
  190. Reuse main bearings?
  191. Noise coming from LH head - valve?
  192. 94 N* Help white smoke out of exhaust
  193. Overheating mystery
  194. New Coolant
  195. PLEASE HELP!!! Stalling when warm and smoking alternator
  196. Car lunges forward when tapping gas
  197. 93, 94 or 95 Eldo worth buying?
  198. Does 2006 Dts Engines Have Headgasket Problems Also?
  199. misc questions
  200. northstar gone bad....AHHHHH
  201. camshaft sensor
  202. Replacing Cylinder Heads Project
  203. newest member of the headgasket club
  204. 1999 northstar warped heads
  205. Northstar engine swap
  206. p0340 camshaft position sensor
  207. northstar in a monte carlo
  208. could this be anything else?
  209. for under 8k would anybody buy a NS Caddy?
  210. No spark,Please help !!
  211. N* Water Pump...I think
  212. 4.6L Northstar CMP tests and replacement ?
  213. 4t80-e
  214. Random Misfire P0300 code
  215. Head Gasket Failure Signs
  216. Which Head Gasket to use?
  217. Swap LD8 in for a L37
  218. Demise of the Northstar
  219. head gasket
  220. GM service manual dvd
  221. The Ultimate FWD Cadillac Northstar Build
  222. No pulses on the injector wires?
  223. Need a connecting rod nut
  224. are coils interchangible from front to rear?
  225. 99" Sts, Rough Idle When Cold. Help!!!
  226. Overheating after new headgasket
  227. Engine running at higher then normal RPM`s
  228. Replacing starter-port intake?
  229. is this normal?
  230. How soon do you replace oil pan gasket?
  231. Torque Multiplier Upgrade ??????? hmmm
  232. mpg and oil consumption 00 dts
  233. 2000 N* Cracked Block & Questions
  234. Tranny Bolts
  235. ICM location anyone- need help!
  236. P0107 then P0201 thru P0208 runs fine
  237. 586Hp Northstar, in a grand prix
  238. Looking for head gasket repair in Northwest, Indiana
  239. Brands Of Oil ?
  240. is it the head or intake manifold gasket?
  241. drive by wire nitrous kit ???
  242. 98 STS Engine Removal
  243. About Gas
  244. Shocks
  245. do you need premium gas in a 4.6 nothstar
  246. New Mods on Customers cars
  247. The smell of coolant~
  248. Setting Camshaft timing HELP!!!
  249. Northstar Over Heating After Waterpump Replacement
  250. how to clean out intake??