: Northstar Engines and System Technical Discussion



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  1. Anyone here in Michigan
  2. Where to find new camshafts?
  3. Please don't flame the noob...codes and problem
  4. Real octane booster?
  5. Motor for 96 STS????
  6. What do you think of this? ECU Modifier
  7. Root Cause of Head gasket Failure and a Fix?
  8. Wont start when its cold
  9. Cadillac sts '94 problem
  10. 1995 STS sudden problem
  11. Oil burning TSB.. I know this has been talked about before
  12. Oil Under The Beauty Cover
  13. 97 STS Starting after dead battery
  14. Can you run your car with water?
  15. New to the site, wondering about repairs
  16. Recommndations for N* Tech in Boston/RI Area?
  17. Oil pressure light
  18. Plz Listen 2 My story Need Help ASAP
  19. Timing and Octane....I searched.
  20. Head Gasket replacement 97STS
  21. is it worth it?.
  22. Head Gaskets Failure 97 STS
  23. White smoke in the exhaust which clears after idling 5 minutes
  24. 2002 DTS trouble
  25. Heater Fan
  26. northstar poor mileage
  27. 2001 STS engine knock
  28. N* Camshaft Removal: Special Tools Required?
  29. Block Sealer??
  30. After Market Code Scanner
  31. 2005 STS 3.6L Engine Oil Sensors
  32. Ok Someone Please Help My 97 Deville Not Running.............
  33. best Seville STS to buy ???
  34. Strange Call
  35. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  36. No 24x Refrence Signal
  37. OBD II Manual
  38. 2002 sts engine codes
  39. Noise on Startup when Cold
  40. question about trans gasket
  41. 98 Eldo Rebuilt Motor
  42. Pulling camshaft cover - can it be done w/out dropping engine?
  43. Thermostat
  44. 97 Deville w/ N* Battery(?) problems
  45. head gasket blown replacing motor
  46. AGAP Northstar reman engine NIGHTMARE
  47. Oil leak 2000 Deville
  48. 96 Eldorado ABS and Traction Control TRBL
  49. intermittent Bubbling noise in dashboard.. Any ideas?
  50. gasket questions on the northstar
  51. engine swap
  52. LD8 Engine issue (2005 Bonneville GXP)
  53. Custom made 8.5mm MSD spark plug wires
  54. oilpan/trans pan gasket...
  55. water pump tension pulley
  56. possible 1/2 case oil leak.....
  57. Northstar Oil Pan Help Needed
  58. Removing the N* from an el do?
  59. Problems with 02 DHS, need more opinions
  60. Can you name this Car?
  61. Two 4.6 Northstar Motors What are they Worth?
  62. How hot can you go?
  63. Throttle Position Sensor 94 N* - how to replace?
  64. Questions about low-mile oft-stored '02 Eldorado
  65. P0741 & P1860
  66. 96 deville egr valve cleaning
  67. Hey, all you guys, check radiator hoses
  68. Anyone who can read motor serials get in here (calling AJ)
  69. Pinging above 3000RPM with 93 octane
  70. Northstar mechanic
  71. now mine STS too Broken HG :(
  72. Cam Question For AJ or Ewill
  73. 2000-2005 Headgasket...
  74. Northstar Oil Leak
  75. 99 sts stalling out
  76. roller lifters or flat tappet
  77. po39 tcc vcc help
  78. 2000 Deville DTS Overheating
  79. Track Results and Video's
  80. big problems on 97 deville>please help me
  81. Compressor/ Air Ride Help
  82. Dealer Flush
  83. Overheating
  84. head gasket seeping oil
  85. No start (cranks OK)
  86. Advice on leak detection kits please
  87. Northstar dimensions
  88. AJ-Question
  89. New here need help
  90. help please
  91. Why didn't Cadillac make a larger displacement Northstar?
  92. Check Gas Cap Message.
  93. Changing the cams on an STS to the SLS Cams
  94. why wont my fans work?
  95. 99 STS, almost working
  96. Loud Engine Whine
  97. Over-sized Northstar Pistons
  98. overheating problem
  99. seville with shifting problems 1rst > 2nd
  100. msd coil?
  101. very hard start in the cold on N*
  102. L37 or LD8 ????
  103. Need a reliable source for Northstar Torque specs
  104. Northstar Rod Spec's & 3.6L
  105. symptoms of bolt failure/lifted heads
  106. 99 Deville Northstar Overheating -wanting non contradicting answers
  107. 2000 DeVille Overheating Update
  108. Bad Alternator?
  109. 1996 Deville Troubleshoot update
  110. Fuel pressure regulator?
  111. IAC Counts
  112. Thermagasket Does It Work???
  113. Missed one connection
  114. Those Damn HEAD GASKETS
  115. LC3 FWD Swap?
  116. ? For Ewill or AJ
  117. looking for pictures of northstar valvetrain
  118. So, here are the symptoms, whats wrong
  119. Northstar Valvetrain Clatter
  120. 200 DeVille Blows hot air at low speed turns cold
  121. Could it be the Water Pump Knocking
  122. Can anyone tell me whats wrong?
  123. Front Valvetrain Clacking
  124. labor cost to replace o2 sensor????
  125. Difference between VIN Y and VIN 9
  126. Got Code P1415 Please Help
  127. 2000 Deville with northstar
  128. 1034-loss of PCM data
  129. Obd I P046
  130. Computer/wiring problems
  131. Need help on 98 Seville/Northstar
  132. New HG Installed on a 99, Pings on Start Up?
  133. Got my 05 Deville back from Dealer!! and extra part for sale.
  134. Need help - going to see a 98 Seville STS on Sat, what do I check?
  135. Sick Tranny?
  136. Engine Help!!!
  137. 2nd annual midwest meet !
  138. 2001 Cadillac SLS LD8 Bore-increase
  139. White Smoke coming from front of car
  140. !996 Deville help troubleshoot
  141. I have a question about cold startswith N*??
  142. How do you disable the traction control perm without having to press the button in...
  143. 94 N* EGR valve ?? Engine stumbles.
  144. P0121, P0507 High Idle???
  145. 94 ETC no shift, wont idle
  146. Looking for '98 ETC mods
  147. What's your preference for plugs and wires ?
  148. intake manifold exploded/hole after backfire??
  149. 95 STS Cooling System Quirks
  150. MSD ignition
  151. Idea for vehicle to do Northstar swap on.
  152. NEED HELP - HAVE CODES P1416 and P0101
  153. quote???
  154. FPR replacement on 94 N*
  155. torker
  156. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  157. Crankshaft & Cam sensors questions
  158. Why is my '96 Northstar now using oil?
  159. how to search forums..and cpk sensor question (2000 cadillac stalling)
  160. O2 Sensor Questions
  161. How can you tell if your HG's are shot?
  162. Rebuilt N*
  163. 97 STS vs. The drag strip
  164. 94 northstar starting problem
  165. Can i use synthetic oil in northstar?
  166. Getting Screwed
  167. Where is the main engine to body ground?
  168. white smoke n hp loss
  169. Is it me, or are alot of N*s having cracked blocks
  170. this is not an arguement thread for oil !
  171. 95 northstar tranny
  172. Is It Possible To???
  173. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  174. Serpentine belt
  175. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  176. Removing EGR on a'96 SLS
  177. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  178. Northstar shifting past redline
  179. 93/94 engines
  180. No Heat at Idle
  181. What's involved to drop the oil pan?
  182. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  183. Tell me about Force Motors/pressure control solenoids
  184. 99 Head Gasket Warranty?
  185. How can u save gas on a 99 deville?
  186. PC0327 - 96DeVille
  187. 1995 STS Cooling problems?
  188. Sts engine has this knocking sound
  189. Heater Core Leak/ Need Some Help, Please
  190. GM MAF sensor information and Discussion
  191. bottom end problems??
  192. Car runs hot but doesn't over heat
  193. Fuel Line Leak
  194. I have a cracked block, what next?
  195. RTV Silicone on Transmission Side Cover?
  196. hypothetically speaking
  197. 02 STS uses tons of oil
  198. Northstar Modifications
  199. 10w40 in N*
  200. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  201. upgrading 94 concours
  202. '98 STS valve cover
  203. HELP- Dropped a bolt in the intake valley
  204. Intake manifold crack?
  205. Need Some Code Help 02 Seville
  206. Crankshaft position sensor
  207. engine compatibility
  208. 1994 DeVille Concourse
  209. misfire at idle
  210. Need help removing 99 STS northstar motor
  211. 1st time motor pull for HG on 99 N*, some questions
  212. 97 Etc N* Head Gasket Project
  213. Headgasket Leaks & Repairs
  214. check coolant light on???
  215. High idle/ IAC clicking?
  216. HELP!! Fuel Rail Recall Problems 1996 Seville
  217. Engine stutter/punch
  218. P0741 TCC Stuck ON, tried much, what next
  219. What is the Northstar suppose to sound like?
  220. 2003 Sts 0-70
  221. IAC valve
  222. strange rumble sound during hard acceleration.
  223. 2002 STC - Front Engine Mount Broken
  224. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  225. Unbolting "beauty cover" on a 1999 Deville What GIVES
  226. Where is my IAT Sensor located? 99 sts
  227. 1997 Seville SLS
  228. Arizona Cadillac Owners Cheap Northstar Engine
  229. questions about PC0300 code on 96 deville
  230. Help with this code...97 Cadillac deville
  231. Drive vs 3 What's better???
  232. Cam numbers?
  233. What Spark Plugs for a 1999 DeVille Northstar?
  234. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  235. Engine Oil Myths including ZDP by GM
  236. anyone ever use HEAL-A-SEAL
  237. Does vacuum sound from Surge Tank equal head gaskets?
  238. 94 Northstar Flexplate knocking noice. HELP!!
  239. 2003 DHS - Sluggish - EGR?
  240. Whirring/grinding That's Speed Sensitive
  241. 2002 deville/dhs engine trouble
  242. How can I clean the Mass Air Flow??
  243. Thanks for nothing, Northstar.
  244. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  245. Crank sensor tech 95 sts
  246. 1st gear WOT
  247. The End
  248. 99 STS Turbo charged video
  249. valve seals
  250. 1999 Seville Ignition DTC Help!