: Northstar Engines and System Technical Discussion



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