: Northstar Engines and System Technical Discussion



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  1. eldorado1 (and others)...my brain is failing me...help!
  2. Kent-moore Inserts, Anyone Every Use Them?
  3. 1996 Eldorado Won't Start
  4. 93 STS Northstar wont start
  5. radiator hose sucking itself in after car cools off
  6. upper trans oil cooler hose leaking
  7. What to do with these? (headgasket help)
  8. Not Again
  9. How Much Coolant?!?!
  10. 99 STS Northstar and Trans axle Problem
  11. No access to PCM info via dashboard OBD?
  12. smoking engine after install
  13. Frenchy ask help for his cadillac sts
  14. Headgaskets And "time-serts"!?
  15. Rough runner when it rains. 93 n'star
  16. ~Cadillac Deville Concours 59,000 A DISASTER??~
  17. 93 Allante w/Northstar Tranny Issues
  18. What other engines fit a 1999 Cadillac sts?
  19. Best years for N* between 93 and 99
  20. Any possible options to fix this engine noise?
  21. P0171 to lean code?
  22. 98 Deville theft sytem problem??
  23. Leave no bolt behind - Transmission Case
  24. 2002 Deville HG Replacement
  25. 00 N* still rough idle after changing plenum, cleaning TB
  26. I broke a water pump pulley
  27. Catalytic Convertor Clogged
  28. OH no...another one!
  29. getting ready to start this hd job
  30. Looking for a 2000-2005 Deville/DHS
  31. Anyone Swapped a 4.4 SC Engine?
  32. power steering pressure hose
  33. Thinking of coming over to the N* camp....
  34. Main Bearing Cap Torque
  35. remote start diy <help please>
  36. Symptoms of broken motor mount (2000 STS) ??
  37. N* cams
  38. Check Gas Cap Code
  39. N* dress ups
  40. Fuel Cutoff For Z-rated Sts
  41. Possible Fuel issue?
  42. 2001 Deville thermostat
  43. Help!!!what Parts Do I Need For N*headgasket Replacements?
  44. Another overheater...
  45. Is it ok..........
  46. Engine oil level sensor leaking
  47. How to install Nitrous the correct way! I need input
  48. Are There any Hot Rodder's here?
  49. Lifter, Cam, Valve Issue? (Sounds like Chubby Ranger)
  50. going to attempt head gaskets
  51. 1993 Northstar Rough Idle
  52. check this out if you have had cooling system trouble ie headgaskets
  53. PCM 0101 code set on WOT
  54. 96 Cad DeVille Questions
  55. Need help on 98 cad seville sls
  56. cometic, felpro or gm oem! Head gasket survey.
  57. Thank You so much
  58. Help
  59. Look at these plugs
  60. Fi A/f Ratio
  61. N* Headgasket Replacement
  62. northstar eldorado swap
  63. new HG, coolant issues
  64. replaced hg, low oil pressure
  65. What else should I clean when replacing intake plenum?
  66. 94 STS N* Top End Oil leak
  67. 94 STS High HC at Idle
  68. Is this a cracked intake plenum? (see attached pics)
  69. spare parts after rebuild **HELP**
  70. New Bar's Leaks Product
  71. Newest Intake work...
  72. Headgaskets!
  73. Fuel pressure or pump problem? Need Help!
  74. northstar engine
  75. 2001 Seville dies out????
  76. My Head gasket job
  77. 2000 SLS uses 1qt oil every 500mi - Should I be worried???
  78. air filter
  79. Please help 1995 STS "Service Engine Soon" jumping out of gear?
  80. Northstar Rant
  81. A/C blowing warm air
  82. Sorry for the rant but early NS owners need to know
  83. sealant- case 1/2's
  84. 2000 N* Rough Idle in Seville STS
  85. 01 STS running rich
  86. Is car driveable with Blown HG?
  87. heating and a/c system please help
  88. clogged radiator?????
  89. Headgasket, or what?
  90. no spark
  91. how to replace motor mount on 97 deville northstar
  92. Which Northstar do I have?
  93. 94jN* What do I use for a sealant when I put the intake manifold back on?
  94. no spark
  95. Professionally Painted Northstar Engine Covers
  96. Reuse main bearings?
  97. Noise coming from LH head - valve?
  98. 94 N* Help white smoke out of exhaust
  99. Overheating mystery
  100. New Coolant
  101. PLEASE HELP!!! Stalling when warm and smoking alternator
  102. Car lunges forward when tapping gas
  103. 93, 94 or 95 Eldo worth buying?
  104. Does 2006 Dts Engines Have Headgasket Problems Also?
  105. misc questions
  106. northstar gone bad....AHHHHH
  107. camshaft sensor
  108. Replacing Cylinder Heads Project
  109. newest member of the headgasket club
  110. 1999 northstar warped heads
  111. Northstar engine swap
  112. p0340 camshaft position sensor
  113. northstar in a monte carlo
  114. could this be anything else?
  115. for under 8k would anybody buy a NS Caddy?
  116. No spark,Please help !!
  117. N* Water Pump...I think
  118. 4.6L Northstar CMP tests and replacement ?
  119. 4t80-e
  120. Random Misfire P0300 code
  121. Head Gasket Failure Signs
  122. Which Head Gasket to use?
  123. Swap LD8 in for a L37
  124. Demise of the Northstar
  125. head gasket
  126. GM service manual dvd
  127. The Ultimate FWD Cadillac Northstar Build
  128. No pulses on the injector wires?
  129. Need a connecting rod nut
  130. are coils interchangible from front to rear?
  131. 99" Sts, Rough Idle When Cold. Help!!!
  132. Overheating after new headgasket
  133. Engine running at higher then normal RPM`s
  134. Replacing starter-port intake?
  135. is this normal?
  136. How soon do you replace oil pan gasket?
  137. Torque Multiplier Upgrade ??????? hmmm
  138. mpg and oil consumption 00 dts
  139. 2000 N* Cracked Block & Questions
  140. Tranny Bolts
  141. ICM location anyone- need help!
  142. P0107 then P0201 thru P0208 runs fine
  143. 586Hp Northstar, in a grand prix
  144. Looking for head gasket repair in Northwest, Indiana
  145. Brands Of Oil ?
  146. is it the head or intake manifold gasket?
  147. drive by wire nitrous kit ???
  148. 98 STS Engine Removal
  149. About Gas
  150. Shocks
  151. do you need premium gas in a 4.6 nothstar
  152. New Mods on Customers cars
  153. The smell of coolant~
  154. Setting Camshaft timing HELP!!!
  155. Northstar Over Heating After Waterpump Replacement
  156. how to clean out intake??
  157. emissions light comes on
  158. random miss at idle
  159. spark plugs and wires
  160. Idle
  161. Looking for some more power!
  162. What coolant do i use
  163. 97 Seville Overheat Try This One
  164. northstar smoking engine
  165. Performance Programing 01 DTS
  166. misfire
  167. 2006 Dts Rough Idle On Morning Start Up?
  168. What Causes Heagaskets To Blow?
  169. Blown Engine
  170. Air ram cones
  171. northstar engine knock help!
  172. Help identify foreign object jamming intake valve open
  173. 01 Dts Rough Idle
  174. dangrieco
  175. Spark plugs ?
  176. changing the governor
  177. Delaney Power Extractor Engine
  178. 94 cadillac sts ECM install
  179. Anyone here in Michigan
  180. Where to find new camshafts?
  181. Please don't flame the noob...codes and problem
  182. Real octane booster?
  183. Motor for 96 STS????
  184. What do you think of this? ECU Modifier
  185. Root Cause of Head gasket Failure and a Fix?
  186. Wont start when its cold
  187. Cadillac sts '94 problem
  188. 1995 STS sudden problem
  189. Oil burning TSB.. I know this has been talked about before
  190. Oil Under The Beauty Cover
  191. 97 STS Starting after dead battery
  192. Can you run your car with water?
  193. New to the site, wondering about repairs
  194. Recommndations for N* Tech in Boston/RI Area?
  195. Oil pressure light
  196. Plz Listen 2 My story Need Help ASAP
  197. Timing and Octane....I searched.
  198. Head Gasket replacement 97STS
  199. is it worth it?.
  200. Head Gaskets Failure 97 STS
  201. White smoke in the exhaust which clears after idling 5 minutes
  202. 2002 DTS trouble
  203. Heater Fan
  204. northstar poor mileage
  205. 2001 STS engine knock
  206. N* Camshaft Removal: Special Tools Required?
  207. Block Sealer??
  208. After Market Code Scanner
  209. 2005 STS 3.6L Engine Oil Sensors
  210. Ok Someone Please Help My 97 Deville Not Running.............
  211. best Seville STS to buy ???
  212. Strange Call
  213. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  214. No 24x Refrence Signal
  215. OBD II Manual
  216. 2002 sts engine codes
  217. Noise on Startup when Cold
  218. question about trans gasket
  219. 98 Eldo Rebuilt Motor
  220. Pulling camshaft cover - can it be done w/out dropping engine?
  221. Thermostat
  222. 97 Deville w/ N* Battery(?) problems
  223. head gasket blown replacing motor
  224. AGAP Northstar reman engine NIGHTMARE
  225. Oil leak 2000 Deville
  226. 96 Eldorado ABS and Traction Control TRBL
  227. intermittent Bubbling noise in dashboard.. Any ideas?
  228. gasket questions on the northstar
  229. engine swap
  230. LD8 Engine issue (2005 Bonneville GXP)
  231. Custom made 8.5mm MSD spark plug wires
  232. oilpan/trans pan gasket...
  233. water pump tension pulley
  234. possible 1/2 case oil leak.....
  235. Northstar Oil Pan Help Needed
  236. Removing the N* from an el do?
  237. Problems with 02 DHS, need more opinions
  238. Can you name this Car?
  239. Two 4.6 Northstar Motors What are they Worth?
  240. How hot can you go?
  241. Throttle Position Sensor 94 N* - how to replace?
  242. Questions about low-mile oft-stored '02 Eldorado
  243. P0741 & P1860
  244. 96 deville egr valve cleaning
  245. Hey, all you guys, check radiator hoses
  246. Anyone who can read motor serials get in here (calling AJ)
  247. Pinging above 3000RPM with 93 octane
  248. Northstar mechanic
  249. now mine STS too Broken HG :(
  250. Cam Question For AJ or Ewill