: Northstar Engines and System Technical Discussion



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  1. Head Gasket Failure Signs
  2. Which Head Gasket to use?
  3. Swap LD8 in for a L37
  4. Demise of the Northstar
  5. head gasket
  6. GM service manual dvd
  7. The Ultimate FWD Cadillac Northstar Build
  8. No pulses on the injector wires?
  9. Need a connecting rod nut
  10. 150 shot on stock 2008 DTS??
  11. are coils interchangible from front to rear?
  12. 99" Sts, Rough Idle When Cold. Help!!!
  13. Overheating after new headgasket
  14. Engine running at higher then normal RPM`s
  15. Replacing starter-port intake?
  16. is this normal?
  17. How soon do you replace oil pan gasket?
  18. Torque Multiplier Upgrade ??????? hmmm
  19. mpg and oil consumption 00 dts
  20. 2000 N* Cracked Block & Questions
  21. Tranny Bolts
  22. ICM location anyone- need help!
  23. P0107 then P0201 thru P0208 runs fine
  24. 586Hp Northstar, in a grand prix
  25. Looking for head gasket repair in Northwest, Indiana
  26. Brands Of Oil ?
  27. is it the head or intake manifold gasket?
  28. drive by wire nitrous kit ???
  29. 98 STS Engine Removal
  30. About Gas
  31. Shocks
  32. do you need premium gas in a 4.6 nothstar
  33. New Mods on Customers cars
  34. The smell of coolant~
  35. Setting Camshaft timing HELP!!!
  36. Northstar Over Heating After Waterpump Replacement
  37. how to clean out intake??
  38. emissions light comes on
  39. random miss at idle
  40. spark plugs and wires
  41. Idle
  42. Looking for some more power!
  43. What coolant do i use
  44. 97 Seville Overheat Try This One
  45. northstar smoking engine
  46. Performance Programing 01 DTS
  47. misfire
  48. 2006 Dts Rough Idle On Morning Start Up?
  49. What Causes Heagaskets To Blow?
  50. Blown Engine
  51. Air ram cones
  52. northstar engine knock help!
  53. Help identify foreign object jamming intake valve open
  54. 01 Dts Rough Idle
  55. dangrieco
  56. Spark plugs ?
  57. changing the governor
  58. Delaney Power Extractor Engine
  59. 94 cadillac sts ECM install
  60. Anyone here in Michigan
  61. Where to find new camshafts?
  62. Please don't flame the noob...codes and problem
  63. Real octane booster?
  64. Motor for 96 STS????
  65. What do you think of this? ECU Modifier
  66. Root Cause of Head gasket Failure and a Fix?
  67. Wont start when its cold
  68. Cadillac sts '94 problem
  69. 1995 STS sudden problem
  70. Oil burning TSB.. I know this has been talked about before
  71. Oil Under The Beauty Cover
  72. 97 STS Starting after dead battery
  73. Can you run your car with water?
  74. New to the site, wondering about repairs
  75. Recommndations for N* Tech in Boston/RI Area?
  76. Oil pressure light
  77. Plz Listen 2 My story Need Help ASAP
  78. Timing and Octane....I searched.
  79. Head Gasket replacement 97STS
  80. is it worth it?.
  81. Head Gaskets Failure 97 STS
  82. White smoke in the exhaust which clears after idling 5 minutes
  83. 2002 DTS trouble
  84. Heater Fan
  85. northstar poor mileage
  86. 2001 STS engine knock
  87. N* Camshaft Removal: Special Tools Required?
  88. Block Sealer??
  89. After Market Code Scanner
  90. 2005 STS 3.6L Engine Oil Sensors
  91. Ok Someone Please Help My 97 Deville Not Running.............
  92. best Seville STS to buy ???
  93. Strange Call
  94. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  95. No 24x Refrence Signal
  96. OBD II Manual
  97. 2002 sts engine codes
  98. Noise on Startup when Cold
  99. question about trans gasket
  100. 98 Eldo Rebuilt Motor
  101. Pulling camshaft cover - can it be done w/out dropping engine?
  102. Thermostat
  103. 97 Deville w/ N* Battery(?) problems
  104. head gasket blown replacing motor
  105. AGAP Northstar reman engine NIGHTMARE
  106. Oil leak 2000 Deville
  107. 96 Eldorado ABS and Traction Control TRBL
  108. intermittent Bubbling noise in dashboard.. Any ideas?
  109. gasket questions on the northstar
  110. engine swap
  111. LD8 Engine issue (2005 Bonneville GXP)
  112. Custom made 8.5mm MSD spark plug wires
  113. oilpan/trans pan gasket...
  114. water pump tension pulley
  115. possible 1/2 case oil leak.....
  116. Northstar Oil Pan Help Needed
  117. Removing the N* from an el do?
  118. Problems with 02 DHS, need more opinions
  119. Can you name this Car?
  120. Two 4.6 Northstar Motors What are they Worth?
  121. How hot can you go?
  122. Throttle Position Sensor 94 N* - how to replace?
  123. Questions about low-mile oft-stored '02 Eldorado
  124. P0741 & P1860
  125. 96 deville egr valve cleaning
  126. Hey, all you guys, check radiator hoses
  127. Anyone who can read motor serials get in here (calling AJ)
  128. Pinging above 3000RPM with 93 octane
  129. Northstar mechanic
  130. now mine STS too Broken HG :(
  131. Cam Question For AJ or Ewill
  132. 2000-2005 Headgasket...
  133. Northstar Oil Leak
  134. 99 sts stalling out
  135. roller lifters or flat tappet
  136. po39 tcc vcc help
  137. 2000 Deville DTS Overheating
  138. Track Results and Video's
  139. big problems on 97 deville>please help me
  140. Compressor/ Air Ride Help
  141. Dealer Flush
  142. Overheating
  143. head gasket seeping oil
  144. No start (cranks OK)
  145. Advice on leak detection kits please
  146. Northstar dimensions
  147. AJ-Question
  148. New here need help
  149. help please
  150. Why didn't Cadillac make a larger displacement Northstar?
  151. Check Gas Cap Message.
  152. Changing the cams on an STS to the SLS Cams
  153. why wont my fans work?
  154. 99 STS, almost working
  155. Loud Engine Whine
  156. Over-sized Northstar Pistons
  157. overheating problem
  158. seville with shifting problems 1rst > 2nd
  159. msd coil?
  160. very hard start in the cold on N*
  161. L37 or LD8 ????
  162. Need a reliable source for Northstar Torque specs
  163. Northstar Rod Spec's & 3.6L
  164. symptoms of bolt failure/lifted heads
  165. 99 Deville Northstar Overheating -wanting non contradicting answers
  166. 2000 DeVille Overheating Update
  167. Bad Alternator?
  168. 1996 Deville Troubleshoot update
  169. Fuel pressure regulator?
  170. IAC Counts
  171. Thermagasket Does It Work???
  172. Missed one connection
  173. Those Damn HEAD GASKETS
  174. LC3 FWD Swap?
  175. ? For Ewill or AJ
  176. looking for pictures of northstar valvetrain
  177. So, here are the symptoms, whats wrong
  178. Northstar Valvetrain Clatter
  179. 200 DeVille Blows hot air at low speed turns cold
  180. Could it be the Water Pump Knocking
  181. Can anyone tell me whats wrong?
  182. Front Valvetrain Clacking
  183. labor cost to replace o2 sensor????
  184. Difference between VIN Y and VIN 9
  185. Got Code P1415 Please Help
  186. 2000 Deville with northstar
  187. 1034-loss of PCM data
  188. Obd I P046
  189. Computer/wiring problems
  190. Need help on 98 Seville/Northstar
  191. New HG Installed on a 99, Pings on Start Up?
  192. Got my 05 Deville back from Dealer!! and extra part for sale.
  193. Need help - going to see a 98 Seville STS on Sat, what do I check?
  194. Sick Tranny?
  195. Engine Help!!!
  196. 2nd annual midwest meet !
  197. 2001 Cadillac SLS LD8 Bore-increase
  198. White Smoke coming from front of car
  199. !996 Deville help troubleshoot
  200. I have a question about cold startswith N*??
  201. How do you disable the traction control perm without having to press the button in...
  202. 94 N* EGR valve ?? Engine stumbles.
  203. P0121, P0507 High Idle???
  204. 94 ETC no shift, wont idle
  205. Looking for '98 ETC mods
  206. What's your preference for plugs and wires ?
  207. intake manifold exploded/hole after backfire??
  208. 95 STS Cooling System Quirks
  209. MSD ignition
  210. Idea for vehicle to do Northstar swap on.
  211. NEED HELP - HAVE CODES P1416 and P0101
  212. quote???
  213. FPR replacement on 94 N*
  214. torker
  215. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  216. Crankshaft & Cam sensors questions
  217. Why is my '96 Northstar now using oil?
  218. how to search forums..and cpk sensor question (2000 cadillac stalling)
  219. O2 Sensor Questions
  220. How can you tell if your HG's are shot?
  221. Rebuilt N*
  222. 97 STS vs. The drag strip
  223. 94 northstar starting problem
  224. Can i use synthetic oil in northstar?
  225. Getting Screwed
  226. Where is the main engine to body ground?
  227. white smoke n hp loss
  228. Is it me, or are alot of N*s having cracked blocks
  229. this is not an arguement thread for oil !
  230. 95 northstar tranny
  231. Is It Possible To???
  232. Engine stopped at the end of an exit ramp Any IDEAS WHY?
  233. Serpentine belt
  234. Need a VIN to a STS with the Z(W) option, I have the option but I don't like the Euro
  235. Removing EGR on a'96 SLS
  236. Whats the easy way to change the alternator on a Northstar? (99 Deville)
  237. Northstar shifting past redline
  238. 93/94 engines
  239. No Heat at Idle
  240. What's involved to drop the oil pan?
  241. Iradium spark plugs for 99deville? Better or worse? What the best plug & wires??
  242. Tell me about Force Motors/pressure control solenoids
  243. 99 Head Gasket Warranty?
  244. How can u save gas on a 99 deville?
  245. PC0327 - 96DeVille
  246. 1995 STS Cooling problems?
  247. Sts engine has this knocking sound
  248. Heater Core Leak/ Need Some Help, Please
  249. GM MAF sensor information and Discussion
  250. bottom end problems??