: Northstar Engines and System Technical Discussion



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  1. The smell of coolant~
  2. Setting Camshaft timing HELP!!!
  3. Northstar Over Heating After Waterpump Replacement
  4. how to clean out intake??
  5. emissions light comes on
  6. random miss at idle
  7. spark plugs and wires
  8. Idle
  9. Looking for some more power!
  10. What coolant do i use
  11. 97 Seville Overheat Try This One
  12. northstar smoking engine
  13. Performance Programing 01 DTS
  14. misfire
  15. 2006 Dts Rough Idle On Morning Start Up?
  16. What Causes Heagaskets To Blow?
  17. Blown Engine
  18. Air ram cones
  19. northstar engine knock help!
  20. Help identify foreign object jamming intake valve open
  21. 01 Dts Rough Idle
  22. dangrieco
  23. Spark plugs ?
  24. changing the governor
  25. Delaney Power Extractor Engine
  26. 94 cadillac sts ECM install
  27. Anyone here in Michigan
  28. Where to find new camshafts?
  29. Please don't flame the noob...codes and problem
  30. Real octane booster?
  31. Motor for 96 STS????
  32. What do you think of this? ECU Modifier
  33. Root Cause of Head gasket Failure and a Fix?
  34. Wont start when its cold
  35. Cadillac sts '94 problem
  36. 1995 STS sudden problem
  37. Oil burning TSB.. I know this has been talked about before
  38. Oil Under The Beauty Cover
  39. 97 STS Starting after dead battery
  40. Can you run your car with water?
  41. New to the site, wondering about repairs
  42. Recommndations for N* Tech in Boston/RI Area?
  43. Oil pressure light
  44. Plz Listen 2 My story Need Help ASAP
  45. Timing and Octane....I searched.
  46. Head Gasket replacement 97STS
  47. is it worth it?.
  48. Head Gaskets Failure 97 STS
  49. White smoke in the exhaust which clears after idling 5 minutes
  50. 2002 DTS trouble
  51. Heater Fan
  52. northstar poor mileage
  53. 2001 STS engine knock
  54. N* Camshaft Removal: Special Tools Required?
  55. Block Sealer??
  56. After Market Code Scanner
  57. 2005 STS 3.6L Engine Oil Sensors
  58. Ok Someone Please Help My 97 Deville Not Running.............
  59. best Seville STS to buy ???
  60. Strange Call
  61. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  62. No 24x Refrence Signal
  63. OBD II Manual
  64. 2002 sts engine codes
  65. Noise on Startup when Cold
  66. question about trans gasket
  67. 98 Eldo Rebuilt Motor
  68. Pulling camshaft cover - can it be done w/out dropping engine?
  69. Thermostat
  70. 97 Deville w/ N* Battery(?) problems
  71. head gasket blown replacing motor
  72. AGAP Northstar reman engine NIGHTMARE
  73. Oil leak 2000 Deville
  74. 96 Eldorado ABS and Traction Control TRBL
  75. intermittent Bubbling noise in dashboard.. Any ideas?
  76. gasket questions on the northstar
  77. engine swap
  78. LD8 Engine issue (2005 Bonneville GXP)
  79. Custom made 8.5mm MSD spark plug wires
  80. oilpan/trans pan gasket...
  81. water pump tension pulley
  82. possible 1/2 case oil leak.....
  83. Northstar Oil Pan Help Needed
  84. Removing the N* from an el do?
  85. Problems with 02 DHS, need more opinions
  86. Can you name this Car?
  87. Two 4.6 Northstar Motors What are they Worth?
  88. How hot can you go?
  89. Throttle Position Sensor 94 N* - how to replace?
  90. Questions about low-mile oft-stored '02 Eldorado
  91. P0741 & P1860
  92. 96 deville egr valve cleaning
  93. Hey, all you guys, check radiator hoses
  94. Anyone who can read motor serials get in here (calling AJ)
  95. Pinging above 3000RPM with 93 octane
  96. Northstar mechanic
  97. now mine STS too Broken HG :(
  98. Cam Question For AJ or Ewill
  99. 2000-2005 Headgasket...
  100. Northstar Oil Leak
  101. 99 sts stalling out
  102. roller lifters or flat tappet
  103. po39 tcc vcc help
  104. 2000 Deville DTS Overheating
  105. Track Results and Video's
  106. big problems on 97 deville>please help me
  107. Compressor/ Air Ride Help
  108. Dealer Flush
  109. Overheating
  110. head gasket seeping oil
  111. No start (cranks OK)
  112. Advice on leak detection kits please
  113. Northstar dimensions
  114. AJ-Question
  115. New here need help
  116. help please
  117. Why didn't Cadillac make a larger displacement Northstar?
  118. Check Gas Cap Message.
  119. Changing the cams on an STS to the SLS Cams
  120. why wont my fans work?
  121. 99 STS, almost working
  122. Loud Engine Whine
  123. Over-sized Northstar Pistons
  124. overheating problem
  125. seville with shifting problems 1rst > 2nd
  126. msd coil?
  127. very hard start in the cold on N*
  128. L37 or LD8 ????
  129. Need a reliable source for Northstar Torque specs
  130. Northstar Rod Spec's & 3.6L
  131. symptoms of bolt failure/lifted heads
  132. 99 Deville Northstar Overheating -wanting non contradicting answers
  133. 2000 DeVille Overheating Update
  134. Bad Alternator?
  135. 1996 Deville Troubleshoot update
  136. Fuel pressure regulator?
  137. IAC Counts
  138. Thermagasket Does It Work???
  139. Missed one connection
  140. Those Damn HEAD GASKETS
  141. LC3 FWD Swap?
  142. ? For Ewill or AJ
  143. looking for pictures of northstar valvetrain
  144. So, here are the symptoms, whats wrong
  145. Northstar Valvetrain Clatter
  146. 200 DeVille Blows hot air at low speed turns cold
  147. Could it be the Water Pump Knocking
  148. Can anyone tell me whats wrong?
  149. Front Valvetrain Clacking
  150. labor cost to replace o2 sensor????
  151. Difference between VIN Y and VIN 9
  152. Got Code P1415 Please Help
  153. 2000 Deville with northstar
  154. 1034-loss of PCM data
  155. Obd I P046
  156. Computer/wiring problems
  157. Need help on 98 Seville/Northstar
  158. New HG Installed on a 99, Pings on Start Up?
  159. Got my 05 Deville back from Dealer!! and extra part for sale.
  160. Need help - going to see a 98 Seville STS on Sat, what do I check?
  161. Sick Tranny?
  162. Engine Help!!!
  163. 2nd annual midwest meet !
  164. 2001 Cadillac SLS LD8 Bore-increase
  165. White Smoke coming from front of car
  166. !996 Deville help troubleshoot
  167. I have a question about cold startswith N*??
  168. How do you disable the traction control perm without having to press the button in...
  169. 94 N* EGR valve ?? Engine stumbles.
  170. P0121, P0507 High Idle???
  171. 94 ETC no shift, wont idle
  172. Looking for '98 ETC mods
  173. What's your preference for plugs and wires ?
  174. intake manifold exploded/hole after backfire??
  175. 95 STS Cooling System Quirks
  176. MSD ignition
  177. Idea for vehicle to do Northstar swap on.
  178. NEED HELP - HAVE CODES P1416 and P0101
  179. quote???
  180. FPR replacement on 94 N*
  181. torker
  182. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  183. Crankshaft & Cam sensors questions
  184. Why is my '96 Northstar now using oil?
  185. how to search forums..and cpk sensor question (2000 cadillac stalling)
  186. O2 Sensor Questions
  187. How can you tell if your HG's are shot?
  188. Rebuilt N*
  189. 97 STS vs. The drag strip
  190. 94 northstar starting problem
  191. Can i use synthetic oil in northstar?
  192. Getting Screwed
  193. Where is the main engine to body ground?
  194. white smoke n hp loss
  195. Is it me, or are alot of N*s having cracked blocks
  196. this is not an arguement thread for oil !
  197. 95 northstar tranny
  198. Is It Possible To???
  199. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  200. Serpentine belt
  201. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  202. Removing EGR on a'96 SLS
  203. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  204. Northstar shifting past redline
  205. 93/94 engines
  206. No Heat at Idle
  207. What's involved to drop the oil pan?
  208. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  209. Tell me about Force Motors/pressure control solenoids
  210. 99 Head Gasket Warranty?
  211. How can u save gas on a 99 deville?
  212. PC0327 - 96DeVille
  213. 1995 STS Cooling problems?
  214. Sts engine has this knocking sound
  215. Heater Core Leak/ Need Some Help, Please
  216. GM MAF sensor information and Discussion
  217. bottom end problems??
  218. Car runs hot but doesn't over heat
  219. Fuel Line Leak
  220. I have a cracked block, what next?
  221. RTV Silicone on Transmission Side Cover?
  222. hypothetically speaking
  223. 02 STS uses tons of oil
  224. Northstar Modifications
  225. 10w40 in N*
  226. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  227. upgrading 94 concours
  228. '98 STS valve cover
  229. HELP- Dropped a bolt in the intake valley
  230. Intake manifold crack?
  231. Need Some Code Help 02 Seville
  232. Crankshaft position sensor
  233. engine compatibility
  234. 1994 DeVille Concourse
  235. misfire at idle
  236. Need help removing 99 STS northstar motor
  237. 1st time motor pull for HG on 99 N*, some questions
  238. 97 Etc N* Head Gasket Project
  239. Headgasket Leaks & Repairs
  240. check coolant light on???
  241. High idle/ IAC clicking?
  242. HELP!! Fuel Rail Recall Problems 1996 Seville
  243. Engine stutter/punch
  244. P0741 TCC Stuck ON, tried much, what next
  245. What is the Northstar suppose to sound like?
  246. 2003 Sts 0-70
  247. IAC valve
  248. strange rumble sound during hard acceleration.
  249. 2002 STC - Front Engine Mount Broken
  250. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?