: Northstar Engines and System Technical Discussion



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  1. No access to PCM info via dashboard OBD?
  2. smoking engine after install
  3. Frenchy ask help for his cadillac sts
  4. Headgaskets And "time-serts"!?
  5. Rough runner when it rains. 93 n'star
  6. ~Cadillac Deville Concours 59,000 A DISASTER??~
  7. 93 Allante w/Northstar Tranny Issues
  8. What other engines fit a 1999 Cadillac sts?
  9. Best years for N* between 93 and 99
  10. Any possible options to fix this engine noise?
  11. P0171 to lean code?
  12. 98 Deville theft sytem problem??
  13. Leave no bolt behind - Transmission Case
  14. 2002 Deville HG Replacement
  15. 00 N* still rough idle after changing plenum, cleaning TB
  16. I broke a water pump pulley
  17. Catalytic Convertor Clogged
  18. OH no...another one!
  19. getting ready to start this hd job
  20. Looking for a 2000-2005 Deville/DHS
  21. Anyone Swapped a 4.4 SC Engine?
  22. power steering pressure hose
  23. Thinking of coming over to the N* camp....
  24. Main Bearing Cap Torque
  25. remote start diy <help please>
  26. Symptoms of broken motor mount (2000 STS) ??
  27. N* cams
  28. Check Gas Cap Code
  29. N* dress ups
  30. Fuel Cutoff For Z-rated Sts
  31. Possible Fuel issue?
  32. 2001 Deville thermostat
  33. Help!!!what Parts Do I Need For N*headgasket Replacements?
  34. Another overheater...
  35. Is it ok..........
  36. Engine oil level sensor leaking
  37. How to install Nitrous the correct way! I need input
  38. Are There any Hot Rodder's here?
  39. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  40. going to attempt head gaskets
  41. 1993 Northstar Rough Idle
  42. check this out if you have had cooling system trouble ie headgaskets
  43. PCM 0101 code set on WOT
  44. 96 Cad DeVille Questions
  45. Need help on 98 cad seville sls
  46. cometic, felpro or gm oem! Head gasket survey.
  47. Thank You so much
  48. Help
  49. Look at these plugs
  50. Fi A/f Ratio
  51. N* Headgasket Replacement
  52. northstar eldorado swap
  53. new HG, coolant issues
  54. replaced hg, low oil pressure
  55. What else should I clean when replacing intake plenum?
  56. 94 STS N* Top End Oil leak
  57. 94 STS High HC at Idle
  58. Is this a cracked intake plenum? (see attached pics)
  59. spare parts after rebuild **HELP**
  60. New Bar's Leaks Product
  61. Newest Intake work...
  62. Headgaskets!
  63. Fuel pressure or pump problem? Need Help!
  64. northstar engine
  65. 2001 Seville dies out????
  66. My Head gasket job
  67. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  68. air filter
  69. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  70. Northstar Rant
  71. A/C blowing warm air
  72. Sorry for the rant but early NS owners need to know
  73. sealant- case 1/2's
  74. 2000 N* Rough Idle in Seville STS
  75. 01 STS running rich
  76. Is car driveable with Blown HG?
  77. heating and a/c system please help
  78. clogged radiator?????
  79. Headgasket, or what?
  80. no spark
  81. how to replace motor mount on 97 deville northstar
  82. Which Northstar do I have?
  83. 94jN* What do I use for a sealant when I put the intake manifold back on?
  84. no spark
  85. Professionally Painted Northstar Engine Covers
  86. Reuse main bearings?
  87. Noise coming from LH head - valve?
  88. 94 N* Help white smoke out of exhaust
  89. Overheating mystery
  90. New Coolant
  91. PLEASE HELP!!! Stalling when warm and smoking alternator
  92. Car lunges forward when tapping gas
  93. 93, 94 or 95 Eldo worth buying?
  94. Does 2006 Dts Engines Have Headgasket Problems Also?
  95. misc questions
  96. northstar gone bad....AHHHHH
  97. camshaft sensor
  98. Replacing Cylinder Heads Project
  99. newest member of the headgasket club
  100. 1999 northstar warped heads
  101. Northstar engine swap
  102. p0340 camshaft position sensor
  103. northstar in a monte carlo
  104. could this be anything else?
  105. for under 8k would anybody buy a NS Caddy?
  106. No spark,Please help !!
  107. N* Water Pump...I think
  108. 4.6L Northstar CMP tests and replacement ?
  109. 4t80-e
  110. Random Misfire P0300 code
  111. Head Gasket Failure Signs
  112. Which Head Gasket to use?
  113. Swap LD8 in for a L37
  114. Demise of the Northstar
  115. head gasket
  116. GM service manual dvd
  117. The Ultimate FWD Cadillac Northstar Build
  118. No pulses on the injector wires?
  119. Need a connecting rod nut
  120. are coils interchangible from front to rear?
  121. 99" Sts, Rough Idle When Cold. Help!!!
  122. Overheating after new headgasket
  123. Engine running at higher then normal RPM`s
  124. Replacing starter-port intake?
  125. is this normal?
  126. How soon do you replace oil pan gasket?
  127. Torque Multiplier Upgrade ??????? hmmm
  128. mpg and oil consumption 00 dts
  129. 2000 N* Cracked Block & Questions
  130. Tranny Bolts
  131. ICM location anyone- need help!
  132. P0107 then P0201 thru P0208 runs fine
  133. 586Hp Northstar, in a grand prix
  134. Looking for head gasket repair in Northwest, Indiana
  135. Brands Of Oil ?
  136. is it the head or intake manifold gasket?
  137. drive by wire nitrous kit ???
  138. 98 STS Engine Removal
  139. About Gas
  140. Shocks
  141. do you need premium gas in a 4.6 nothstar
  142. New Mods on Customers cars
  143. The smell of coolant~
  144. Setting Camshaft timing HELP!!!
  145. Northstar Over Heating After Waterpump Replacement
  146. how to clean out intake??
  147. emissions light comes on
  148. random miss at idle
  149. spark plugs and wires
  150. Idle
  151. Looking for some more power!
  152. What coolant do i use
  153. 97 Seville Overheat Try This One
  154. northstar smoking engine
  155. Performance Programing 01 DTS
  156. misfire
  157. 2006 Dts Rough Idle On Morning Start Up?
  158. What Causes Heagaskets To Blow?
  159. Blown Engine
  160. Air ram cones
  161. northstar engine knock help!
  162. Help identify foreign object jamming intake valve open
  163. 01 Dts Rough Idle
  164. dangrieco
  165. Spark plugs ?
  166. changing the governor
  167. Delaney Power Extractor Engine
  168. 94 cadillac sts ECM install
  169. Anyone here in Michigan
  170. Where to find new camshafts?
  171. Please don't flame the noob...codes and problem
  172. Real octane booster?
  173. Motor for 96 STS????
  174. What do you think of this? ECU Modifier
  175. Root Cause of Head gasket Failure and a Fix?
  176. Wont start when its cold
  177. Cadillac sts '94 problem
  178. 1995 STS sudden problem
  179. Oil burning TSB.. I know this has been talked about before
  180. Oil Under The Beauty Cover
  181. 97 STS Starting after dead battery
  182. Can you run your car with water?
  183. New to the site, wondering about repairs
  184. Recommndations for N* Tech in Boston/RI Area?
  185. Oil pressure light
  186. Plz Listen 2 My story Need Help ASAP
  187. Timing and Octane....I searched.
  188. Head Gasket replacement 97STS
  189. is it worth it?.
  190. Head Gaskets Failure 97 STS
  191. White smoke in the exhaust which clears after idling 5 minutes
  192. 2002 DTS trouble
  193. Heater Fan
  194. northstar poor mileage
  195. 2001 STS engine knock
  196. N* Camshaft Removal: Special Tools Required?
  197. Block Sealer??
  198. After Market Code Scanner
  199. 2005 STS 3.6L Engine Oil Sensors
  200. Ok Someone Please Help My 97 Deville Not Running.............
  201. best Seville STS to buy ???
  202. Strange Call
  203. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  204. No 24x Refrence Signal
  205. OBD II Manual
  206. 2002 sts engine codes
  207. Noise on Startup when Cold
  208. question about trans gasket
  209. 98 Eldo Rebuilt Motor
  210. Pulling camshaft cover - can it be done w/out dropping engine?
  211. Thermostat
  212. 97 Deville w/ N* Battery(?) problems
  213. head gasket blown replacing motor
  214. AGAP Northstar reman engine NIGHTMARE
  215. Oil leak 2000 Deville
  216. 96 Eldorado ABS and Traction Control TRBL
  217. intermittent Bubbling noise in dashboard.. Any ideas?
  218. gasket questions on the northstar
  219. engine swap
  220. LD8 Engine issue (2005 Bonneville GXP)
  221. Custom made 8.5mm MSD spark plug wires
  222. oilpan/trans pan gasket...
  223. water pump tension pulley
  224. possible 1/2 case oil leak.....
  225. Northstar Oil Pan Help Needed
  226. Removing the N* from an el do?
  227. Problems with 02 DHS, need more opinions
  228. Can you name this Car?
  229. Two 4.6 Northstar Motors What are they Worth?
  230. How hot can you go?
  231. Throttle Position Sensor 94 N* - how to replace?
  232. Questions about low-mile oft-stored '02 Eldorado
  233. P0741 & P1860
  234. 96 deville egr valve cleaning
  235. Hey, all you guys, check radiator hoses
  236. Anyone who can read motor serials get in here (calling AJ)
  237. Pinging above 3000RPM with 93 octane
  238. Northstar mechanic
  239. now mine STS too Broken HG :(
  240. Cam Question For AJ or Ewill
  241. 2000-2005 Headgasket...
  242. Northstar Oil Leak
  243. 99 sts stalling out
  244. roller lifters or flat tappet
  245. po39 tcc vcc help
  246. 2000 Deville DTS Overheating
  247. Track Results and Video's
  248. big problems on 97 deville>please help me
  249. Compressor/ Air Ride Help
  250. Dealer Flush