: Northstar Engines and System Technical Discussion



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  1. Ran out of gas - Now will not start
  2. Hard Starting N* And Unknown Code
  3. Just wanted to check on some codes P0171 and P0134
  4. Ignition Miss - '98 DeVille
  5. Oil Testing, laboratories, and Additives
  6. What timesert kit is this referencing?
  7. Block Test Confirms!...or ?
  8. 2000 Deville with Denso plugs
  9. VIN or other link to body stamped on block?
  10. Prevent head gasket failure
  11. 2000 DeVille Northstar Problem
  12. Previously Timeserted block?
  13. turbo charging a Northstar
  14. p1350 & p1375 codes?
  15. bad fuel economy, rough(er) idle, need help!
  16. What gets relearned after battery disconnect?
  17. idle speed control
  18. 99 Deville Hesitation during Acceleration
  19. strange noise please help
  20. What happen to my overdrive???????
  21. Northstar Overheating!!! HELP
  22. After Timesert HG Repair Service Schedule?
  23. Top engine compartment struts
  24. '01 Deville with Half case leak, any temp fixes/band-aides?
  25. crankshaft sensor location ?
  26. Anyone heard of this?
  27. Are All Xlr's The New Style Closed Deck?
  28. MAF Translator
  29. Are A & B Crankshaft Position Sensors the same sensor??
  30. How much bubbling in surge tank indicates bad head gasket?
  31. Sick Baby
  32. Jet Power Flow Mass Air Sensor
  33. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  34. O2, IAT, MAF sensor reliability on 2000 N*?
  35. Another Successful Mod (albeit potentially destructive)
  36. Questions On Rebuilding a Northstar Engine
  37. eldorado1 (and others)...my brain is failing me...help!
  38. Kent-moore Inserts, Anyone Every Use Them?
  39. 1996 Eldorado Won't Start
  40. 93 STS Northstar wont start
  41. radiator hose sucking itself in after car cools off
  42. upper trans oil cooler hose leaking
  43. What to do with these? (headgasket help)
  44. Not Again
  45. How Much Coolant?!?!
  46. 99 STS Northstar and Trans axle Problem
  47. No access to PCM info via dashboard OBD?
  48. smoking engine after install
  49. Frenchy ask help for his cadillac sts
  50. Headgaskets And "time-serts"!?
  51. Rough runner when it rains. 93 n'star
  52. ~Cadillac Deville Concours 59,000 A DISASTER??~
  53. 93 Allante w/Northstar Tranny Issues
  54. What other engines fit a 1999 Cadillac sts?
  55. Best years for N* between 93 and 99
  56. Any possible options to fix this engine noise?
  57. P0171 to lean code?
  58. 98 Deville theft sytem problem??
  59. Leave no bolt behind - Transmission Case
  60. 2002 Deville HG Replacement
  61. 00 N* still rough idle after changing plenum, cleaning TB
  62. I broke a water pump pulley
  63. Catalytic Convertor Clogged
  64. OH no...another one!
  65. getting ready to start this hd job
  66. Looking for a 2000-2005 Deville/DHS
  67. Anyone Swapped a 4.4 SC Engine?
  68. power steering pressure hose
  69. Thinking of coming over to the N* camp....
  70. Main Bearing Cap Torque
  71. remote start diy <help please>
  72. Symptoms of broken motor mount (2000 STS) ??
  73. N* cams
  74. Check Gas Cap Code
  75. N* dress ups
  76. Fuel Cutoff For Z-rated Sts
  77. Possible Fuel issue?
  78. 2001 Deville thermostat
  79. Help!!!what Parts Do I Need For N*headgasket Replacements?
  80. Another overheater...
  81. Is it ok..........
  82. Engine oil level sensor leaking
  83. How to install Nitrous the correct way! I need input
  84. Are There any Hot Rodder's here?
  85. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  86. going to attempt head gaskets
  87. 1993 Northstar Rough Idle
  88. check this out if you have had cooling system trouble ie headgaskets
  89. PCM 0101 code set on WOT
  90. 96 Cad DeVille Questions
  91. Need help on 98 cad seville sls
  92. cometic, felpro or gm oem! Head gasket survey.
  93. Thank You so much
  94. Help
  95. Look at these plugs
  96. Fi A/f Ratio
  97. N* Headgasket Replacement
  98. northstar eldorado swap
  99. new HG, coolant issues
  100. replaced hg, low oil pressure
  101. What else should I clean when replacing intake plenum?
  102. 94 STS N* Top End Oil leak
  103. 94 STS High HC at Idle
  104. Is this a cracked intake plenum? (see attached pics)
  105. spare parts after rebuild **HELP**
  106. New Bar's Leaks Product
  107. Newest Intake work...
  108. Headgaskets!
  109. Fuel pressure or pump problem? Need Help!
  110. northstar engine
  111. 2001 Seville dies out????
  112. My Head gasket job
  113. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  114. air filter
  115. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  116. Northstar Rant
  117. A/C blowing warm air
  118. Sorry for the rant but early NS owners need to know
  119. sealant- case 1/2's
  120. 2000 N* Rough Idle in Seville STS
  121. 01 STS running rich
  122. Is car driveable with Blown HG?
  123. heating and a/c system please help
  124. clogged radiator?????
  125. Headgasket, or what?
  126. no spark
  127. how to replace motor mount on 97 deville northstar
  128. Which Northstar do I have?
  129. 94jN* What do I use for a sealant when I put the intake manifold back on?
  130. no spark
  131. Professionally Painted Northstar Engine Covers
  132. Reuse main bearings?
  133. Noise coming from LH head - valve?
  134. 94 N* Help white smoke out of exhaust
  135. Overheating mystery
  136. New Coolant
  137. PLEASE HELP!!! Stalling when warm and smoking alternator
  138. Car lunges forward when tapping gas
  139. 93, 94 or 95 Eldo worth buying?
  140. Does 2006 Dts Engines Have Headgasket Problems Also?
  141. misc questions
  142. northstar gone bad....AHHHHH
  143. camshaft sensor
  144. Replacing Cylinder Heads Project
  145. newest member of the headgasket club
  146. 1999 northstar warped heads
  147. Northstar engine swap
  148. p0340 camshaft position sensor
  149. northstar in a monte carlo
  150. could this be anything else?
  151. for under 8k would anybody buy a NS Caddy?
  152. No spark,Please help !!
  153. N* Water Pump...I think
  154. 4.6L Northstar CMP tests and replacement ?
  155. 4t80-e
  156. Random Misfire P0300 code
  157. Head Gasket Failure Signs
  158. Which Head Gasket to use?
  159. Swap LD8 in for a L37
  160. Demise of the Northstar
  161. head gasket
  162. GM service manual dvd
  163. The Ultimate FWD Cadillac Northstar Build
  164. No pulses on the injector wires?
  165. Need a connecting rod nut
  166. are coils interchangible from front to rear?
  167. 99" Sts, Rough Idle When Cold. Help!!!
  168. Overheating after new headgasket
  169. Engine running at higher then normal RPM`s
  170. Replacing starter-port intake?
  171. is this normal?
  172. How soon do you replace oil pan gasket?
  173. Torque Multiplier Upgrade ??????? hmmm
  174. mpg and oil consumption 00 dts
  175. 2000 N* Cracked Block & Questions
  176. Tranny Bolts
  177. ICM location anyone- need help!
  178. P0107 then P0201 thru P0208 runs fine
  179. 586Hp Northstar, in a grand prix
  180. Looking for head gasket repair in Northwest, Indiana
  181. Brands Of Oil ?
  182. is it the head or intake manifold gasket?
  183. drive by wire nitrous kit ???
  184. 98 STS Engine Removal
  185. About Gas
  186. Shocks
  187. do you need premium gas in a 4.6 nothstar
  188. New Mods on Customers cars
  189. The smell of coolant~
  190. Setting Camshaft timing HELP!!!
  191. Northstar Over Heating After Waterpump Replacement
  192. how to clean out intake??
  193. emissions light comes on
  194. random miss at idle
  195. spark plugs and wires
  196. Idle
  197. Looking for some more power!
  198. What coolant do i use
  199. 97 Seville Overheat Try This One
  200. northstar smoking engine
  201. Performance Programing 01 DTS
  202. misfire
  203. 2006 Dts Rough Idle On Morning Start Up?
  204. What Causes Heagaskets To Blow?
  205. Blown Engine
  206. Air ram cones
  207. northstar engine knock help!
  208. Help identify foreign object jamming intake valve open
  209. 01 Dts Rough Idle
  210. dangrieco
  211. Spark plugs ?
  212. changing the governor
  213. Delaney Power Extractor Engine
  214. 94 cadillac sts ECM install
  215. Anyone here in Michigan
  216. Where to find new camshafts?
  217. Please don't flame the noob...codes and problem
  218. Real octane booster?
  219. Motor for 96 STS????
  220. What do you think of this? ECU Modifier
  221. Root Cause of Head gasket Failure and a Fix?
  222. Wont start when its cold
  223. Cadillac sts '94 problem
  224. 1995 STS sudden problem
  225. Oil burning TSB.. I know this has been talked about before
  226. Oil Under The Beauty Cover
  227. 97 STS Starting after dead battery
  228. Can you run your car with water?
  229. New to the site, wondering about repairs
  230. Recommndations for N* Tech in Boston/RI Area?
  231. Oil pressure light
  232. Plz Listen 2 My story Need Help ASAP
  233. Timing and Octane....I searched.
  234. Head Gasket replacement 97STS
  235. is it worth it?.
  236. Head Gaskets Failure 97 STS
  237. White smoke in the exhaust which clears after idling 5 minutes
  238. 2002 DTS trouble
  239. Heater Fan
  240. northstar poor mileage
  241. 2001 STS engine knock
  242. N* Camshaft Removal: Special Tools Required?
  243. Block Sealer??
  244. After Market Code Scanner
  245. 2005 STS 3.6L Engine Oil Sensors
  246. Ok Someone Please Help My 97 Deville Not Running.............
  247. best Seville STS to buy ???
  248. Strange Call
  249. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  250. No 24x Refrence Signal