: Northstar Engines and System Technical Discussion



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  1. What Causes Heagaskets To Blow?
  2. Blown Engine
  3. Air ram cones
  4. northstar engine knock help!
  5. Help identify foreign object jamming intake valve open
  6. 01 Dts Rough Idle
  7. dangrieco
  8. Spark plugs ?
  9. changing the governor
  10. Delaney Power Extractor Engine
  11. 94 cadillac sts ECM install
  12. Anyone here in Michigan
  13. Where to find new camshafts?
  14. Please don't flame the noob...codes and problem
  15. Real octane booster?
  16. Motor for 96 STS????
  17. What do you think of this? ECU Modifier
  18. Root Cause of Head gasket Failure and a Fix?
  19. Wont start when its cold
  20. Cadillac sts '94 problem
  21. 1995 STS sudden problem
  22. Oil burning TSB.. I know this has been talked about before
  23. Oil Under The Beauty Cover
  24. 97 STS Starting after dead battery
  25. Can you run your car with water?
  26. New to the site, wondering about repairs
  27. Recommndations for N* Tech in Boston/RI Area?
  28. Oil pressure light
  29. Plz Listen 2 My story Need Help ASAP
  30. Timing and Octane....I searched.
  31. Head Gasket replacement 97STS
  32. is it worth it?.
  33. Head Gaskets Failure 97 STS
  34. White smoke in the exhaust which clears after idling 5 minutes
  35. 2002 DTS trouble
  36. Heater Fan
  37. northstar poor mileage
  38. 2001 STS engine knock
  39. N* Camshaft Removal: Special Tools Required?
  40. Block Sealer??
  41. After Market Code Scanner
  42. 2005 STS 3.6L Engine Oil Sensors
  43. Ok Someone Please Help My 97 Deville Not Running.............
  44. best Seville STS to buy ???
  45. Strange Call
  46. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  47. No 24x Refrence Signal
  48. OBD II Manual
  49. 2002 sts engine codes
  50. Noise on Startup when Cold
  51. question about trans gasket
  52. 98 Eldo Rebuilt Motor
  53. Pulling camshaft cover - can it be done w/out dropping engine?
  54. Thermostat
  55. 97 Deville w/ N* Battery(?) problems
  56. head gasket blown replacing motor
  57. AGAP Northstar reman engine NIGHTMARE
  58. Oil leak 2000 Deville
  59. 96 Eldorado ABS and Traction Control TRBL
  60. intermittent Bubbling noise in dashboard.. Any ideas?
  61. gasket questions on the northstar
  62. engine swap
  63. LD8 Engine issue (2005 Bonneville GXP)
  64. Custom made 8.5mm MSD spark plug wires
  65. oilpan/trans pan gasket...
  66. water pump tension pulley
  67. possible 1/2 case oil leak.....
  68. Northstar Oil Pan Help Needed
  69. Removing the N* from an el do?
  70. Problems with 02 DHS, need more opinions
  71. Can you name this Car?
  72. Two 4.6 Northstar Motors What are they Worth?
  73. How hot can you go?
  74. Throttle Position Sensor 94 N* - how to replace?
  75. Questions about low-mile oft-stored '02 Eldorado
  76. P0741 & P1860
  77. 96 deville egr valve cleaning
  78. Hey, all you guys, check radiator hoses
  79. Anyone who can read motor serials get in here (calling AJ)
  80. Pinging above 3000RPM with 93 octane
  81. Northstar mechanic
  82. now mine STS too Broken HG :(
  83. Cam Question For AJ or Ewill
  84. 2000-2005 Headgasket...
  85. Northstar Oil Leak
  86. 99 sts stalling out
  87. roller lifters or flat tappet
  88. po39 tcc vcc help
  89. 2000 Deville DTS Overheating
  90. Track Results and Video's
  91. big problems on 97 deville>please help me
  92. Compressor/ Air Ride Help
  93. Dealer Flush
  94. Overheating
  95. head gasket seeping oil
  96. No start (cranks OK)
  97. Advice on leak detection kits please
  98. Northstar dimensions
  99. AJ-Question
  100. New here need help
  101. help please
  102. Why didn't Cadillac make a larger displacement Northstar?
  103. Check Gas Cap Message.
  104. Changing the cams on an STS to the SLS Cams
  105. why wont my fans work?
  106. 99 STS, almost working
  107. Loud Engine Whine
  108. Over-sized Northstar Pistons
  109. overheating problem
  110. seville with shifting problems 1rst > 2nd
  111. msd coil?
  112. very hard start in the cold on N*
  113. L37 or LD8 ????
  114. Need a reliable source for Northstar Torque specs
  115. Northstar Rod Spec's & 3.6L
  116. symptoms of bolt failure/lifted heads
  117. 99 Deville Northstar Overheating -wanting non contradicting answers
  118. 2000 DeVille Overheating Update
  119. Bad Alternator?
  120. 1996 Deville Troubleshoot update
  121. Fuel pressure regulator?
  122. IAC Counts
  123. Thermagasket Does It Work???
  124. Missed one connection
  125. Those Damn HEAD GASKETS
  126. LC3 FWD Swap?
  127. ? For Ewill or AJ
  128. looking for pictures of northstar valvetrain
  129. So, here are the symptoms, whats wrong
  130. Northstar Valvetrain Clatter
  131. 200 DeVille Blows hot air at low speed turns cold
  132. Could it be the Water Pump Knocking
  133. Can anyone tell me whats wrong?
  134. Front Valvetrain Clacking
  135. labor cost to replace o2 sensor????
  136. Difference between VIN Y and VIN 9
  137. Got Code P1415 Please Help
  138. 2000 Deville with northstar
  139. 1034-loss of PCM data
  140. Obd I P046
  141. Computer/wiring problems
  142. Need help on 98 Seville/Northstar
  143. New HG Installed on a 99, Pings on Start Up?
  144. Got my 05 Deville back from Dealer!! and extra part for sale.
  145. Need help - going to see a 98 Seville STS on Sat, what do I check?
  146. Sick Tranny?
  147. Engine Help!!!
  148. 2nd annual midwest meet !
  149. 2001 Cadillac SLS LD8 Bore-increase
  150. White Smoke coming from front of car
  151. !996 Deville help troubleshoot
  152. I have a question about cold startswith N*??
  153. How do you disable the traction control perm without having to press the button in...
  154. 94 N* EGR valve ?? Engine stumbles.
  155. P0121, P0507 High Idle???
  156. 94 ETC no shift, wont idle
  157. Looking for '98 ETC mods
  158. What's your preference for plugs and wires ?
  159. intake manifold exploded/hole after backfire??
  160. 95 STS Cooling System Quirks
  161. MSD ignition
  162. Idea for vehicle to do Northstar swap on.
  163. NEED HELP - HAVE CODES P1416 and P0101
  164. quote???
  165. FPR replacement on 94 N*
  166. torker
  167. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  168. Crankshaft & Cam sensors questions
  169. Why is my '96 Northstar now using oil?
  170. how to search forums..and cpk sensor question (2000 cadillac stalling)
  171. O2 Sensor Questions
  172. How can you tell if your HG's are shot?
  173. Rebuilt N*
  174. 97 STS vs. The drag strip
  175. 94 northstar starting problem
  176. Can i use synthetic oil in northstar?
  177. Getting Screwed
  178. Where is the main engine to body ground?
  179. white smoke n hp loss
  180. Is it me, or are alot of N*s having cracked blocks
  181. this is not an arguement thread for oil !
  182. 95 northstar tranny
  183. Is It Possible To???
  184. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  185. Serpentine belt
  186. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  187. Removing EGR on a'96 SLS
  188. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  189. Northstar shifting past redline
  190. 93/94 engines
  191. No Heat at Idle
  192. What's involved to drop the oil pan?
  193. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  194. Tell me about Force Motors/pressure control solenoids
  195. 99 Head Gasket Warranty?
  196. How can u save gas on a 99 deville?
  197. PC0327 - 96DeVille
  198. 1995 STS Cooling problems?
  199. Sts engine has this knocking sound
  200. Heater Core Leak/ Need Some Help, Please
  201. GM MAF sensor information and Discussion
  202. bottom end problems??
  203. Car runs hot but doesn't over heat
  204. Fuel Line Leak
  205. I have a cracked block, what next?
  206. RTV Silicone on Transmission Side Cover?
  207. hypothetically speaking
  208. 02 STS uses tons of oil
  209. Northstar Modifications
  210. 10w40 in N*
  211. 94 STS starts only if pressing gas, idles rough, dies after a couple minutes
  212. upgrading 94 concours
  213. '98 STS valve cover
  214. HELP- Dropped a bolt in the intake valley
  215. Intake manifold crack?
  216. Need Some Code Help 02 Seville
  217. Crankshaft position sensor
  218. engine compatibility
  219. 1994 DeVille Concourse
  220. misfire at idle
  221. Need help removing 99 STS northstar motor
  222. 1st time motor pull for HG on 99 N*, some questions
  223. 97 Etc N* Head Gasket Project
  224. Headgasket Leaks & Repairs
  225. check coolant light on???
  226. High idle/ IAC clicking?
  227. HELP!! Fuel Rail Recall Problems 1996 Seville
  228. Engine stutter/punch
  229. P0741 TCC Stuck ON, tried much, what next
  230. What is the Northstar suppose to sound like?
  231. 2003 Sts 0-70
  232. IAC valve
  233. strange rumble sound during hard acceleration.
  234. 2002 STC - Front Engine Mount Broken
  235. Mobil 1 5W30 meets GM spec 4718M but Mobil 1 10W30 DOES NOT. WHAT GIVES?
  236. Unbolting "beauty cover" on a 1999 Deville What GIVES
  237. Where is my IAT Sensor located? 99 sts
  238. 1997 Seville SLS
  239. Arizona Cadillac Owners Cheap Northstar Engine
  240. questions about PC0300 code on 96 deville
  241. Help with this code...97 Cadillac deville
  242. Drive vs 3 What's better???
  243. Cam numbers?
  244. What Spark Plugs for a 1999 DeVille Northstar?
  245. Using synthetic oil in a Northstar-Why does Cadillac recommend 10W30?
  246. Engine Oil Myths including ZDP by GM
  247. anyone ever use HEAL-A-SEAL
  248. Does vacuum sound from Surge Tank equal head gaskets?
  249. 94 Northstar Flexplate knocking noice. HELP!!
  250. 2003 DHS - Sluggish - EGR?