: Northstar Engines and System Technical Discussion



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  1. After Timesert HG Repair Service Schedule?
  2. Top engine compartment struts
  3. '01 Deville with Half case leak, any temp fixes/band-aides?
  4. crankshaft sensor location ?
  5. Anyone heard of this?
  6. Are All Xlr's The New Style Closed Deck?
  7. MAF Translator
  8. Are A & B Crankshaft Position Sensors the same sensor??
  9. How much bubbling in surge tank indicates bad head gasket?
  10. Sick Baby
  11. Jet Power Flow Mass Air Sensor
  12. Everything You ever Wanted To Know About Cooling System Sealant Tabs
  13. O2, IAT, MAF sensor reliability on 2000 N*?
  14. Another Successful Mod (albeit potentially destructive)
  15. Questions On Rebuilding a Northstar Engine
  16. eldorado1 (and others)...my brain is failing me...help!
  17. Kent-moore Inserts, Anyone Every Use Them?
  18. 1996 Eldorado Won't Start
  19. 93 STS Northstar wont start
  20. radiator hose sucking itself in after car cools off
  21. upper trans oil cooler hose leaking
  22. What to do with these? (headgasket help)
  23. Not Again
  24. How Much Coolant?!?!
  25. 99 STS Northstar and Trans axle Problem
  26. No access to PCM info via dashboard OBD?
  27. smoking engine after install
  28. Frenchy ask help for his cadillac sts
  29. Headgaskets And "time-serts"!?
  30. Rough runner when it rains. 93 n'star
  31. ~Cadillac Deville Concours 59,000 A DISASTER??~
  32. 93 Allante w/Northstar Tranny Issues
  33. What other engines fit a 1999 Cadillac sts?
  34. Best years for N* between 93 and 99
  35. Any possible options to fix this engine noise?
  36. P0171 to lean code?
  37. 98 Deville theft sytem problem??
  38. Leave no bolt behind - Transmission Case
  39. 2002 Deville HG Replacement
  40. 00 N* still rough idle after changing plenum, cleaning TB
  41. I broke a water pump pulley
  42. Catalytic Convertor Clogged
  43. OH no...another one!
  44. getting ready to start this hd job
  45. Looking for a 2000-2005 Deville/DHS
  46. Anyone Swapped a 4.4 SC Engine?
  47. power steering pressure hose
  48. Thinking of coming over to the N* camp....
  49. Main Bearing Cap Torque
  50. remote start diy <help please>
  51. Symptoms of broken motor mount (2000 STS) ??
  52. N* cams
  53. Check Gas Cap Code
  54. N* dress ups
  55. Fuel Cutoff For Z-rated Sts
  56. Possible Fuel issue?
  57. 2001 Deville thermostat
  58. Help!!!what Parts Do I Need For N*headgasket Replacements?
  59. Another overheater...
  60. Is it ok..........
  61. Engine oil level sensor leaking
  62. How to install Nitrous the correct way! I need input
  63. Are There any Hot Rodder's here?
  64. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  65. going to attempt head gaskets
  66. 1993 Northstar Rough Idle
  67. check this out if you have had cooling system trouble ie headgaskets
  68. PCM 0101 code set on WOT
  69. 96 Cad DeVille Questions
  70. Need help on 98 cad seville sls
  71. cometic, felpro or gm oem! Head gasket survey.
  72. Thank You so much
  73. Help
  74. Look at these plugs
  75. Fi A/f Ratio
  76. N* Headgasket Replacement
  77. northstar eldorado swap
  78. new HG, coolant issues
  79. replaced hg, low oil pressure
  80. What else should I clean when replacing intake plenum?
  81. 94 STS N* Top End Oil leak
  82. 94 STS High HC at Idle
  83. Is this a cracked intake plenum? (see attached pics)
  84. spare parts after rebuild **HELP**
  85. New Bar's Leaks Product
  86. Newest Intake work...
  87. Headgaskets!
  88. Fuel pressure or pump problem? Need Help!
  89. northstar engine
  90. 2001 Seville dies out????
  91. My Head gasket job
  92. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  93. air filter
  94. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  95. Northstar Rant
  96. A/C blowing warm air
  97. Sorry for the rant but early NS owners need to know
  98. sealant- case 1/2's
  99. 2000 N* Rough Idle in Seville STS
  100. 01 STS running rich
  101. Is car driveable with Blown HG?
  102. heating and a/c system please help
  103. clogged radiator?????
  104. Headgasket, or what?
  105. no spark
  106. how to replace motor mount on 97 deville northstar
  107. Which Northstar do I have?
  108. 94jN* What do I use for a sealant when I put the intake manifold back on?
  109. no spark
  110. Professionally Painted Northstar Engine Covers
  111. Reuse main bearings?
  112. Noise coming from LH head - valve?
  113. 94 N* Help white smoke out of exhaust
  114. Overheating mystery
  115. New Coolant
  116. PLEASE HELP!!! Stalling when warm and smoking alternator
  117. Car lunges forward when tapping gas
  118. 93, 94 or 95 Eldo worth buying?
  119. Does 2006 Dts Engines Have Headgasket Problems Also?
  120. misc questions
  121. northstar gone bad....AHHHHH
  122. camshaft sensor
  123. Replacing Cylinder Heads Project
  124. newest member of the headgasket club
  125. 1999 northstar warped heads
  126. Northstar engine swap
  127. p0340 camshaft position sensor
  128. northstar in a monte carlo
  129. could this be anything else?
  130. for under 8k would anybody buy a NS Caddy?
  131. No spark,Please help !!
  132. N* Water Pump...I think
  133. 4.6L Northstar CMP tests and replacement ?
  134. 4t80-e
  135. Random Misfire P0300 code
  136. Head Gasket Failure Signs
  137. Which Head Gasket to use?
  138. Swap LD8 in for a L37
  139. Demise of the Northstar
  140. head gasket
  141. GM service manual dvd
  142. The Ultimate FWD Cadillac Northstar Build
  143. No pulses on the injector wires?
  144. Need a connecting rod nut
  145. are coils interchangible from front to rear?
  146. 99" Sts, Rough Idle When Cold. Help!!!
  147. Overheating after new headgasket
  148. Engine running at higher then normal RPM`s
  149. Replacing starter-port intake?
  150. is this normal?
  151. How soon do you replace oil pan gasket?
  152. Torque Multiplier Upgrade ??????? hmmm
  153. mpg and oil consumption 00 dts
  154. 2000 N* Cracked Block & Questions
  155. Tranny Bolts
  156. ICM location anyone- need help!
  157. P0107 then P0201 thru P0208 runs fine
  158. 586Hp Northstar, in a grand prix
  159. Looking for head gasket repair in Northwest, Indiana
  160. Brands Of Oil ?
  161. is it the head or intake manifold gasket?
  162. drive by wire nitrous kit ???
  163. 98 STS Engine Removal
  164. About Gas
  165. Shocks
  166. do you need premium gas in a 4.6 nothstar
  167. New Mods on Customers cars
  168. The smell of coolant~
  169. Setting Camshaft timing HELP!!!
  170. Northstar Over Heating After Waterpump Replacement
  171. how to clean out intake??
  172. emissions light comes on
  173. random miss at idle
  174. spark plugs and wires
  175. Idle
  176. Looking for some more power!
  177. What coolant do i use
  178. 97 Seville Overheat Try This One
  179. northstar smoking engine
  180. Performance Programing 01 DTS
  181. misfire
  182. 2006 Dts Rough Idle On Morning Start Up?
  183. What Causes Heagaskets To Blow?
  184. Blown Engine
  185. Air ram cones
  186. northstar engine knock help!
  187. Help identify foreign object jamming intake valve open
  188. 01 Dts Rough Idle
  189. dangrieco
  190. Spark plugs ?
  191. changing the governor
  192. Delaney Power Extractor Engine
  193. 94 cadillac sts ECM install
  194. Anyone here in Michigan
  195. Where to find new camshafts?
  196. Please don't flame the noob...codes and problem
  197. Real octane booster?
  198. Motor for 96 STS????
  199. What do you think of this? ECU Modifier
  200. Root Cause of Head gasket Failure and a Fix?
  201. Wont start when its cold
  202. Cadillac sts '94 problem
  203. 1995 STS sudden problem
  204. Oil burning TSB.. I know this has been talked about before
  205. Oil Under The Beauty Cover
  206. 97 STS Starting after dead battery
  207. Can you run your car with water?
  208. New to the site, wondering about repairs
  209. Recommndations for N* Tech in Boston/RI Area?
  210. Oil pressure light
  211. Plz Listen 2 My story Need Help ASAP
  212. Timing and Octane....I searched.
  213. Head Gasket replacement 97STS
  214. is it worth it?.
  215. Head Gaskets Failure 97 STS
  216. White smoke in the exhaust which clears after idling 5 minutes
  217. 2002 DTS trouble
  218. Heater Fan
  219. northstar poor mileage
  220. 2001 STS engine knock
  221. N* Camshaft Removal: Special Tools Required?
  222. Block Sealer??
  223. After Market Code Scanner
  224. 2005 STS 3.6L Engine Oil Sensors
  225. Ok Someone Please Help My 97 Deville Not Running.............
  226. best Seville STS to buy ???
  227. Strange Call
  228. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  229. No 24x Refrence Signal
  230. OBD II Manual
  231. 2002 sts engine codes
  232. Noise on Startup when Cold
  233. question about trans gasket
  234. 98 Eldo Rebuilt Motor
  235. Pulling camshaft cover - can it be done w/out dropping engine?
  236. Thermostat
  237. 97 Deville w/ N* Battery(?) problems
  238. head gasket blown replacing motor
  239. AGAP Northstar reman engine NIGHTMARE
  240. Oil leak 2000 Deville
  241. 96 Eldorado ABS and Traction Control TRBL
  242. intermittent Bubbling noise in dashboard.. Any ideas?
  243. gasket questions on the northstar
  244. engine swap
  245. LD8 Engine issue (2005 Bonneville GXP)
  246. Custom made 8.5mm MSD spark plug wires
  247. oilpan/trans pan gasket...
  248. water pump tension pulley
  249. possible 1/2 case oil leak.....
  250. Northstar Oil Pan Help Needed