: Northstar Engines and System Technical Discussion



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  1. New Coolant
  2. PLEASE HELP!!! Stalling when warm and smoking alternator
  3. Car lunges forward when tapping gas
  4. 93, 94 or 95 Eldo worth buying?
  5. Does 2006 Dts Engines Have Headgasket Problems Also?
  6. misc questions
  7. northstar gone bad....AHHHHH
  8. camshaft sensor
  9. Replacing Cylinder Heads Project
  10. newest member of the headgasket club
  11. 1999 northstar warped heads
  12. Northstar engine swap
  13. p0340 camshaft position sensor
  14. northstar in a monte carlo
  15. could this be anything else?
  16. for under 8k would anybody buy a NS Caddy?
  17. No spark,Please help !!
  18. N* Water Pump...I think
  19. 4.6L Northstar CMP tests and replacement ?
  20. 4t80-e
  21. Random Misfire P0300 code
  22. Head Gasket Failure Signs
  23. Which Head Gasket to use?
  24. Swap LD8 in for a L37
  25. Demise of the Northstar
  26. head gasket
  27. GM service manual dvd
  28. The Ultimate FWD Cadillac Northstar Build
  29. No pulses on the injector wires?
  30. Need a connecting rod nut
  31. 150 shot on stock 2008 DTS??
  32. are coils interchangible from front to rear?
  33. 99" Sts, Rough Idle When Cold. Help!!!
  34. Overheating after new headgasket
  35. Engine running at higher then normal RPM`s
  36. Replacing starter-port intake?
  37. is this normal?
  38. How soon do you replace oil pan gasket?
  39. Torque Multiplier Upgrade ??????? hmmm
  40. mpg and oil consumption 00 dts
  41. 2000 N* Cracked Block & Questions
  42. Tranny Bolts
  43. ICM location anyone- need help!
  44. P0107 then P0201 thru P0208 runs fine
  45. 586Hp Northstar, in a grand prix
  46. Looking for head gasket repair in Northwest, Indiana
  47. Brands Of Oil ?
  48. is it the head or intake manifold gasket?
  49. drive by wire nitrous kit ???
  50. 98 STS Engine Removal
  51. About Gas
  52. Shocks
  53. do you need premium gas in a 4.6 nothstar
  54. New Mods on Customers cars
  55. The smell of coolant~
  56. Setting Camshaft timing HELP!!!
  57. Northstar Over Heating After Waterpump Replacement
  58. how to clean out intake??
  59. emissions light comes on
  60. random miss at idle
  61. spark plugs and wires
  62. Idle
  63. Looking for some more power!
  64. What coolant do i use
  65. 97 Seville Overheat Try This One
  66. northstar smoking engine
  67. Performance Programing 01 DTS
  68. misfire
  69. 2006 Dts Rough Idle On Morning Start Up?
  70. What Causes Heagaskets To Blow?
  71. Blown Engine
  72. Air ram cones
  73. northstar engine knock help!
  74. Help identify foreign object jamming intake valve open
  75. 01 Dts Rough Idle
  76. dangrieco
  77. Spark plugs ?
  78. changing the governor
  79. Delaney Power Extractor Engine
  80. 94 cadillac sts ECM install
  81. Anyone here in Michigan
  82. Where to find new camshafts?
  83. Please don't flame the noob...codes and problem
  84. Real octane booster?
  85. Motor for 96 STS????
  86. What do you think of this? ECU Modifier
  87. Root Cause of Head gasket Failure and a Fix?
  88. Wont start when its cold
  89. Cadillac sts '94 problem
  90. 1995 STS sudden problem
  91. Oil burning TSB.. I know this has been talked about before
  92. Oil Under The Beauty Cover
  93. 97 STS Starting after dead battery
  94. Can you run your car with water?
  95. New to the site, wondering about repairs
  96. Recommndations for N* Tech in Boston/RI Area?
  97. Oil pressure light
  98. Plz Listen 2 My story Need Help ASAP
  99. Timing and Octane....I searched.
  100. Head Gasket replacement 97STS
  101. is it worth it?.
  102. Head Gaskets Failure 97 STS
  103. White smoke in the exhaust which clears after idling 5 minutes
  104. 2002 DTS trouble
  105. Heater Fan
  106. northstar poor mileage
  107. 2001 STS engine knock
  108. N* Camshaft Removal: Special Tools Required?
  109. Block Sealer??
  110. After Market Code Scanner
  111. 2005 STS 3.6L Engine Oil Sensors
  112. Ok Someone Please Help My 97 Deville Not Running.............
  113. best Seville STS to buy ???
  114. Strange Call
  115. Transmission Force Motor 1994 Eodorado - Can it be done without pulling the trans?
  116. No 24x Refrence Signal
  117. OBD II Manual
  118. 2002 sts engine codes
  119. Noise on Startup when Cold
  120. question about trans gasket
  121. 98 Eldo Rebuilt Motor
  122. Pulling camshaft cover - can it be done w/out dropping engine?
  123. Thermostat
  124. 97 Deville w/ N* Battery(?) problems
  125. head gasket blown replacing motor
  126. AGAP Northstar reman engine NIGHTMARE
  127. Oil leak 2000 Deville
  128. 96 Eldorado ABS and Traction Control TRBL
  129. intermittent Bubbling noise in dashboard.. Any ideas?
  130. gasket questions on the northstar
  131. engine swap
  132. LD8 Engine issue (2005 Bonneville GXP)
  133. Custom made 8.5mm MSD spark plug wires
  134. oilpan/trans pan gasket...
  135. water pump tension pulley
  136. possible 1/2 case oil leak.....
  137. Northstar Oil Pan Help Needed
  138. Removing the N* from an el do?
  139. Problems with 02 DHS, need more opinions
  140. Can you name this Car?
  141. Two 4.6 Northstar Motors What are they Worth?
  142. How hot can you go?
  143. Throttle Position Sensor 94 N* - how to replace?
  144. Questions about low-mile oft-stored '02 Eldorado
  145. P0741 & P1860
  146. 96 deville egr valve cleaning
  147. Hey, all you guys, check radiator hoses
  148. Anyone who can read motor serials get in here (calling AJ)
  149. Pinging above 3000RPM with 93 octane
  150. Northstar mechanic
  151. now mine STS too Broken HG :(
  152. Cam Question For AJ or Ewill
  153. 2000-2005 Headgasket...
  154. Northstar Oil Leak
  155. 99 sts stalling out
  156. roller lifters or flat tappet
  157. po39 tcc vcc help
  158. 2000 Deville DTS Overheating
  159. Track Results and Video's
  160. big problems on 97 deville>please help me
  161. Compressor/ Air Ride Help
  162. Dealer Flush
  163. Overheating
  164. head gasket seeping oil
  165. No start (cranks OK)
  166. Advice on leak detection kits please
  167. Northstar dimensions
  168. AJ-Question
  169. New here need help
  170. help please
  171. Why didn't Cadillac make a larger displacement Northstar?
  172. Check Gas Cap Message.
  173. Changing the cams on an STS to the SLS Cams
  174. why wont my fans work?
  175. 99 STS, almost working
  176. Loud Engine Whine
  177. Over-sized Northstar Pistons
  178. overheating problem
  179. seville with shifting problems 1rst > 2nd
  180. msd coil?
  181. very hard start in the cold on N*
  182. L37 or LD8 ????
  183. Need a reliable source for Northstar Torque specs
  184. Northstar Rod Spec's & 3.6L
  185. symptoms of bolt failure/lifted heads
  186. 99 Deville Northstar Overheating -wanting non contradicting answers
  187. 2000 DeVille Overheating Update
  188. Bad Alternator?
  189. 1996 Deville Troubleshoot update
  190. Fuel pressure regulator?
  191. IAC Counts
  192. Thermagasket Does It Work???
  193. Missed one connection
  194. Those Damn HEAD GASKETS
  195. LC3 FWD Swap?
  196. ? For Ewill or AJ
  197. looking for pictures of northstar valvetrain
  198. So, here are the symptoms, whats wrong
  199. Northstar Valvetrain Clatter
  200. 200 DeVille Blows hot air at low speed turns cold
  201. Could it be the Water Pump Knocking
  202. Can anyone tell me whats wrong?
  203. Front Valvetrain Clacking
  204. labor cost to replace o2 sensor????
  205. Difference between VIN Y and VIN 9
  206. Got Code P1415 Please Help
  207. 2000 Deville with northstar
  208. 1034-loss of PCM data
  209. Obd I P046
  210. Computer/wiring problems
  211. Need help on 98 Seville/Northstar
  212. New HG Installed on a 99, Pings on Start Up?
  213. Got my 05 Deville back from Dealer!! and extra part for sale.
  214. Need help - going to see a 98 Seville STS on Sat, what do I check?
  215. Sick Tranny?
  216. Engine Help!!!
  217. 2nd annual midwest meet !
  218. 2001 Cadillac SLS LD8 Bore-increase
  219. White Smoke coming from front of car
  220. !996 Deville help troubleshoot
  221. I have a question about cold startswith N*??
  222. How do you disable the traction control perm without having to press the button in...
  223. 94 N* EGR valve ?? Engine stumbles.
  224. P0121, P0507 High Idle???
  225. 94 ETC no shift, wont idle
  226. Looking for '98 ETC mods
  227. What's your preference for plugs and wires ?
  228. intake manifold exploded/hole after backfire??
  229. 95 STS Cooling System Quirks
  230. MSD ignition
  231. Idea for vehicle to do Northstar swap on.
  232. NEED HELP - HAVE CODES P1416 and P0101
  233. quote???
  234. FPR replacement on 94 N*
  235. torker
  236. Sticking gas pedal????, high idle all of the sudden???? What do I check??? PLZ HELP!!
  237. Crankshaft & Cam sensors questions
  238. Why is my '96 Northstar now using oil?
  239. how to search forums..and cpk sensor question (2000 cadillac stalling)
  240. O2 Sensor Questions
  241. How can you tell if your HG's are shot?
  242. Rebuilt N*
  243. 97 STS vs. The drag strip
  244. 94 northstar starting problem
  245. Can i use synthetic oil in northstar?
  246. Getting Screwed
  247. Where is the main engine to body ground?
  248. white smoke n hp loss
  249. Is it me, or are alot of N*s having cracked blocks
  250. this is not an arguement thread for oil !