: Northstar Engines and System Technical Discussion



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  1. Plz Listen 2 My story Need Help ASAP
  2. Timing and Octane....I searched.
  3. Head Gasket replacement 97STS
  4. is it worth it?.
  5. Head Gaskets Failure 97 STS
  6. White smoke in the exhaust which clears after idling 5 minutes
  7. 2002 DTS trouble
  8. Heater Fan
  9. northstar poor mileage
  10. 2001 STS engine knock
  11. N* Camshaft Removal: Special Tools Required?
  12. Block Sealer??
  13. After Market Code Scanner
  14. 2005 STS 3.6L Engine Oil Sensors
  15. Ok Someone Please Help My 97 Deville Not Running.............
  16. best Seville STS to buy ???
  17. Strange Call
  18. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  19. No 24x Refrence Signal
  20. OBD II Manual
  21. 2002 sts engine codes
  22. Noise on Startup when Cold
  23. question about trans gasket
  24. 98 Eldo Rebuilt Motor
  25. Pulling camshaft cover - can it be done w/out dropping engine?
  26. Thermostat
  27. 97 Deville w/ N* Battery(?) problems
  28. head gasket blown replacing motor
  29. AGAP Northstar reman engine NIGHTMARE
  30. Oil leak 2000 Deville
  31. 96 Eldorado ABS and Traction Control TRBL
  32. intermittent Bubbling noise in dashboard.. Any ideas?
  33. gasket questions on the northstar
  34. engine swap
  35. LD8 Engine issue (2005 Bonneville GXP)
  36. Custom made 8.5mm MSD spark plug wires
  37. oilpan/trans pan gasket...
  38. water pump tension pulley
  39. possible 1/2 case oil leak.....
  40. Northstar Oil Pan Help Needed
  41. Removing the N* from an el do?
  42. Problems with 02 DHS, need more opinions
  43. Can you name this Car?
  44. Two 4.6 Northstar Motors What are they Worth?
  45. How hot can you go?
  46. Throttle Position Sensor 94 N* - how to replace?
  47. Questions about low-mile oft-stored '02 Eldorado
  48. P0741 & P1860
  49. 96 deville egr valve cleaning
  50. Hey, all you guys, check radiator hoses
  51. Anyone who can read motor serials get in here (calling AJ)
  52. Pinging above 3000RPM with 93 octane
  53. Northstar mechanic
  54. now mine STS too Broken HG :(
  55. Cam Question For AJ or Ewill
  56. 2000-2005 Headgasket...
  57. Northstar Oil Leak
  58. 99 sts stalling out
  59. roller lifters or flat tappet
  60. po39 tcc vcc help
  61. 2000 Deville DTS Overheating
  62. Track Results and Video's
  63. big problems on 97 deville>please help me
  64. Compressor/ Air Ride Help
  65. Dealer Flush
  66. Overheating
  67. head gasket seeping oil
  68. No start (cranks OK)
  69. Advice on leak detection kits please
  70. Northstar dimensions
  71. AJ-Question
  72. New here need help
  73. help please
  74. Why didn't Cadillac make a larger displacement Northstar?
  75. Check Gas Cap Message.
  76. Changing the cams on an STS to the SLS Cams
  77. why wont my fans work?
  78. 99 STS, almost working
  79. Loud Engine Whine
  80. Over-sized Northstar Pistons
  81. overheating problem
  82. seville with shifting problems 1rst > 2nd
  83. msd coil?
  84. very hard start in the cold on N*
  85. L37 or LD8 ????
  86. Need a reliable source for Northstar Torque specs
  87. Northstar Rod Spec's & 3.6L
  88. symptoms of bolt failure/lifted heads
  89. 99 Deville Northstar Overheating -wanting non contradicting answers
  90. 2000 DeVille Overheating Update
  91. Bad Alternator?
  92. 1996 Deville Troubleshoot update
  93. Fuel pressure regulator?
  94. IAC Counts
  95. Thermagasket Does It Work???
  96. Missed one connection
  97. Those Damn HEAD GASKETS
  98. LC3 FWD Swap?
  99. ? For Ewill or AJ
  100. looking for pictures of northstar valvetrain
  101. So, here are the symptoms, whats wrong
  102. Northstar Valvetrain Clatter
  103. 200 DeVille Blows hot air at low speed turns cold
  104. Could it be the Water Pump Knocking
  105. Can anyone tell me whats wrong?
  106. Front Valvetrain Clacking
  107. labor cost to replace o2 sensor????
  108. Difference between VIN Y and VIN 9
  109. Got Code P1415 Please Help
  110. 2000 Deville with northstar
  111. 1034-loss of PCM data
  112. Obd I P046
  113. Computer/wiring problems
  114. Need help on 98 Seville/Northstar
  115. New HG Installed on a 99, Pings on Start Up?
  116. Got my 05 Deville back from Dealer!! and extra part for sale.
  117. Need help - going to see a 98 Seville STS on Sat, what do I check?
  118. Sick Tranny?
  119. Engine Help!!!
  120. 2nd annual midwest meet !
  121. 2001 Cadillac SLS LD8 Bore-increase
  122. White Smoke coming from front of car
  123. !996 Deville help troubleshoot
  124. I have a question about cold startswith N*??
  125. How do you disable the traction control perm without having to press the button in...
  126. 94 N* EGR valve ?? Engine stumbles.
  127. P0121, P0507 High Idle???
  128. 94 ETC no shift, wont idle
  129. Looking for '98 ETC mods
  130. What's your preference for plugs and wires ?
  131. intake manifold exploded/hole after backfire??
  132. 95 STS Cooling System Quirks
  133. MSD ignition
  134. Idea for vehicle to do Northstar swap on.
  135. NEED HELP - HAVE CODES P1416 and P0101
  136. quote???
  137. FPR replacement on 94 N*
  138. torker
  139. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  140. Crankshaft & Cam sensors questions
  141. Why is my '96 Northstar now using oil?
  142. how to search forums..and cpk sensor question (2000 cadillac stalling)
  143. O2 Sensor Questions
  144. How can you tell if your HG's are shot?
  145. Rebuilt N*
  146. 97 STS vs. The drag strip
  147. 94 northstar starting problem
  148. Can i use synthetic oil in northstar?
  149. Getting Screwed
  150. Where is the main engine to body ground?
  151. white smoke n hp loss
  152. Is it me, or are alot of N*s having cracked blocks
  153. this is not an arguement thread for oil !
  154. 95 northstar tranny
  155. Is It Possible To???
  156. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  157. Serpentine belt
  158. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  159. Removing EGR on a'96 SLS
  160. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  161. Northstar shifting past redline
  162. 93/94 engines
  163. No Heat at Idle
  164. What's involved to drop the oil pan?
  165. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  166. Tell me about Force Motors/pressure control solenoids
  167. 99 Head Gasket Warranty?
  168. How can u save gas on a 99 deville?
  169. PC0327 - 96DeVille
  170. 1995 STS Cooling problems?
  171. Sts engine has this knocking sound
  172. Heater Core Leak/ Need Some Help, Please
  173. GM MAF sensor information and Discussion
  174. bottom end problems??
  175. Car runs hot but doesn't over heat
  176. Fuel Line Leak
  177. I have a cracked block, what next?
  178. RTV Silicone on Transmission Side Cover?
  179. hypothetically speaking
  180. 02 STS uses tons of oil
  181. Northstar Modifications
  182. 10w40 in N*
  183. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  184. upgrading 94 concours
  185. '98 STS valve cover
  186. HELP- Dropped a bolt in the intake valley
  187. Intake manifold crack?
  188. Need Some Code Help 02 Seville
  189. Crankshaft position sensor
  190. engine compatibility
  191. 1994 DeVille Concourse
  192. misfire at idle
  193. Need help removing 99 STS northstar motor
  194. 1st time motor pull for HG on 99 N*, some questions
  195. 97 Etc N* Head Gasket Project
  196. Headgasket Leaks & Repairs
  197. check coolant light on???
  198. High idle/ IAC clicking?
  199. HELP!! Fuel Rail Recall Problems 1996 Seville
  200. Engine stutter/punch
  201. P0741 TCC Stuck ON, tried much, what next
  202. What is the Northstar suppose to sound like?
  203. 2003 Sts 0-70
  204. IAC valve
  205. strange rumble sound during hard acceleration.
  206. 2002 STC - Front Engine Mount Broken
  207. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  208. Unbolting "beauty cover" on a 1999 Deville What GIVES
  209. Where is my IAT Sensor located? 99 sts
  210. 1997 Seville SLS
  211. Arizona Cadillac Owners Cheap Northstar Engine
  212. questions about PC0300 code on 96 deville
  213. Help with this code...97 Cadillac deville
  214. Drive vs 3 What's better???
  215. Cam numbers?
  216. What Spark Plugs for a 1999 DeVille Northstar?
  217. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  218. Engine Oil Myths including ZDP by GM
  219. anyone ever use HEAL-A-SEAL
  220. Does vacuum sound from Surge Tank equal head gaskets?
  221. 94 Northstar Flexplate knocking noice. HELP!!
  222. 2003 DHS - Sluggish - EGR?
  223. Whirring/grinding That's Speed Sensitive
  224. 2002 deville/dhs engine trouble
  225. How can I clean the Mass Air Flow??
  226. Thanks for nothing, Northstar.
  227. P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3 - overheating
  228. Crank sensor tech 95 sts
  229. 1st gear WOT
  230. The End
  231. 99 STS Turbo charged video
  232. valve seals
  233. 1999 Seville Ignition DTC Help!
  234. Smoking Northstar?
  235. How long is your NS dipstick?
  236. weep holes
  237. engine swap for a 2001 dts
  238. P0741 - TCC System Stuck Off
  239. new Delco spark plug wires installed
  240. 1998 Deville overheating
  241. Help Having A Heart Attack! P039 / TRanny?
  242. N* programmer?
  243. Is it possible?
  244. Northstar Buick
  245. N* Runs Rough at Cold Start
  246. Bank 1 , 2 ??????
  247. Engine build
  248. P0300,p - Engine Misfire Detected 2002 deville, help please
  249. 2003 Deville with RWD
  250. Starter location