: Northstar Engines and System Technical Discussion



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