: Northstar Engines and System Technical Discussion



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  1. 4.6 northstar / engine, Trans swap ?
  2. TRANSMISSION/Torque convertor problems??? HELP!!!
  3. Nitrous
  4. More on coolant issues....Long post alert!
  5. '95 STS Clearing on-board diagnostic codes
  6. Quick and Simple Question
  7. 2000 STS Oil Life
  8. Calling all North* Specialist....Changing out the Alternator
  9. Service Engine Soon? What's that Noise?
  10. Dashboard mayhem
  11. weird?
  12. Need Technical Help for Engine swaping...
  13. Anyone have an opinion on electric superchargers?
  14. Will '95 coil pack, intake or exhaust fit my '93 N*?
  15. northstar performance upgrades
  16. Exhaust manifold ?
  17. Please help! Considering a '94 Deville Concours N'star
  18. New member, trying to find out if oil burning is ok!
  19. Repair Advice Needed in Orange County, CA
  20. P030 Code on '93 STS
  21. "no battery charge"
  22. "check oil level"
  23. '95 STS showing SES code: P085
  24. Which o2 sensor??
  25. Code PO24-VSS Signal To TCC-Where is It Located At?
  26. TPS - Problems
  27. thermal meltdown of n* engine ?
  28. Are Gremlins pinching my fuel line? ARGHHH!!
  29. 2002 engine into 97 Deville?
  30. Tune up?
  31. Freeze plugs ( So called )
  32. 94 Concourse Shifting Problem
  33. I smell gas in my 95 concours
  34. message
  35. update on my 97 concours
  36. NA power out of a North*?
  37. 2002 what does loss of dim communication?
  38. Turbos put back?
  39. Leaking Heater Core in 1999 DeVelle
  40. Overheating: Am I screwed?
  41. Bolting filter right on the motor
  42. 94 Eldorado Oil level sensor problem
  43. o2 sensors!!!!!! argggggggg
  44. Help Codes Driving Me Insane
  45. Funny Smell
  46. 94 Seville STS History Codes???
  47. Emissions Code on 1996 STS
  48. Real unhappy with (my new) used caddy - Can't ID the DTC's
  49. Opinions on possible purchase 91 Deville
  50. Signs you need a tuneup?
  51. R/r water pump
  52. Help Me!
  53. Hard Starting STS
  54. OBD2 Reprogramming
  55. Chip or no chip?
  56. Northstar R&R Book Times
  57. Northstars & oil consumption...are there "good" & "bad" motors?
  58. 275hp to 300hp head swap question
  59. Northstar Aftermarket Support
  60. Do Northstars burn oil fast???
  61. Help!!
  62. Northstar overheating
  63. Most common problems with NS motor
  64. Engine size ?????
  65. What is the deal with the Crank Position Sensor and...
  66. sneaky coolant leak, Northstar
  67. Bad plug wires get you crazy codes
  68. stupid dipstick
  69. N* Head Gasket repair part I/ Remove engine
  70. idle speed adjust?
  71. Belt Question
  72. Emissions System
  73. 99 SLS probelms
  74. help with codes?
  75. Head Work
  76. New person here - piston replacement question
  77. How to get to plugs on 00 STS?
  78. 1995 SLS Engine and Trans
  79. tps 1995 sts adjusted
  80. are the '93 and '95 northstar computers the same?
  81. Cracked Water Pump Housing Northstar
  82. Erratic fuel level gauge & a few other ???
  83. Time serts head gaskets and cadillac refunds
  84. 1990 Sedan Deville Valve Job
  85. Limited slip...sort of
  86. Octane reading
  87. Check Oilk Level wont stop
  88. Please help..engine coolant ?....
  89. Traction Control on STS ???
  90. 96 Seville, Check Engine Light, New owner?
  91. Help with cooling system
  92. ? on seville northstar motor?
  93. Help! I have a 1997 Concours(traction c) I would love to know where this wire goes??
  94. maintenence records?
  95. rear windows fog up
  96. Northstar - Golf swap
  97. PCM codes
  98. 1997 Deville problems
  99. Smelling Coolant inside - 93 STS
  100. Battery Replacement on 95 STS
  101. Service Brake Fluid Switch
  102. Transmition shifting ?'s
  103. Engine cutout 93STS north*
  104. Oil Life Message Problem
  105. Can I get some pictures (N* mounting)?
  106. OBD codes
  107. 95-sts wont start
  108. idle sts-95
  109. Anyone know where I can find cheap o2 sensors?!
  110. So....someone wanna rent me a timesert kit?
  111. Ignition module failure?
  112. Need help understanding a code
  113. Best oil for Northstar engines?
  114. Northstar questions: engine and tranny mounts
  115. Service Engine Light
  116. Idle speed
  117. Intermitant DTC P1416, where do I start looking?
  118. phenolic spacers cleaning
  119. Regular Unleaded
  120. Throttle Body
  121. 97 Concours....SOLD!
  122. Help Codes
  123. Thermostat
  124. 4.0/4.6 Combustion Chambers
  125. Intake air sensor / resistor mod
  126. valve job? something burning......
  127. Easy method of telling you need a coolant change!!!!!
  128. 97 dedan deville speedometer display out...
  129. 4.6L engine knock at idle
  130. High Performance driving
  131. Starting Issue
  132. High octane
  133. 4.6L engine knock at idle
  134. Headgaskets
  135. hard starting, won't pass smog symptoms
  136. Info on converter lock,,code PO39
  137. Northstar engine numbers
  138. Locking converter/check engine SOON
  139. How to replace front motor MOUNT
  140. can any one help
  141. Motor Rocks
  142. Torque converter lockup?
  143. Help!
  144. Regular Gas
  145. Nitrous Kit for Northstars - It exists
  146. why do people tell me northstars are junk?
  147. Coolant Loss
  148. VERY slight valve knock on '98 STS Northstar?
  149. Won't shift out of 1st gear
  150. Let's get some performance parts!
  151. Just how fragile are they?
  152. experienced mechanic in Los Angeles
  153. RWD 5-speeds
  154. Let's get an OBD Programmer...
  155. Limiters on 96 STS
  156. 1996 northstar in 95 eldorado - Strange things happening!
  157. Technical Photo Section?
  158. service engine light is on
  159. engine compatibility
  160. code help please
  161. 99' STS low-end torque is sluggish?
  162. Blessed With Head Gasket Leakage as Well...
  163. timesert kit
  164. performance pcm/ecu mods ODB II (96+ ) (i.e. 1999 sts)
  165. Can the 300 HP be swapped with 275 HP motor?
  166. North star motor swap
  167. Diagnostic codes and running rough
  168. cam timing tool
  169. Hard Shifting Transmision
  170. Squeek, scrape, whir.
  171. transmission removal in 94 eldorado???
  172. 2001 seville sparkplug location
  173. need advice-- cooling
  174. engine removal and install procedures
  175. Temperature problem???
  176. Starter replacement, what is the easiest way?
  177. Bearings?
  178. are northstars interferene engines?
  179. northstar head warpage?
  180. "LOW ENGINE COOLANT" came on...
  181. timeserts
  182. Northstar idle speed motor instsall
  183. Rss (c)1743, 1783, 1785 ??
  184. 4T80E drain plug location?
  185. Missfire 93 sts
  186. Idle is higher than normal and fluctuates
  187. STS 13:63, you ask how?
  188. Ok I can check my codes but how do you check them individually?
  189. Cadillac Hot Rodders!
  190. Keyless Entry Programming Procedure
  191. How to change Trans. Fluid?
  192. Borla exhaust needs your help
  193. Where's the Chip?
  194. Battery No Charge light on/ Alternator?
  195. New Owner Can I work on My Seville N* myself? Is it too electronic?
  196. northstars
  197. I am New here
  198. spark plug wires
  199. Sudden Stall
  200. What would you do? (fun project)
  201. Problems that were fixed (technical question)
  202. Waterpump Replacement
  203. I broke it!!
  204. 1999 Caddy Seville Sts
  205. High Mileage Northstar Thread: Who can beat me?
  206. 120,000 Miles on a Northstar?
  207. Rusted Fuel Filter
  208. Need some technical help/ suggestions from guys that know!!
  209. turbo for a northstar?
  210. Difference in 275HP & 300HP Engines
  211. Heads
  212. What size rims ....... (technical info)
  213. 95 SLS how to check coolant levels?
  214. Looking for Time sert kit
  215. Mobil 1 Synthetic Oil
  216. Screen in the intake system
  217. 100,000+ questions
  218. PVC Valve and Fuel Filter
  219. how to seperate the trans form the motor etc
  220. Ways to tell if your northstar motor is blown........look
  221. General Deville Maintenance
  222. New street rodder issue has N* Part 2!
  223. Need supporting info RE: 4.6 head bolts
  224. Northstar motor blown at 80,000 help...........
  225. Throttel Body Plate Size ???
  226. Caddy transplant
  227. 00 - 03 Seville questions:
  228. Northstar oil burning - what to do?
  229. That Coolant thing...
  230. B1136
  231. Allante losing coolant via bypass
  232. 2000 Dts - Rough Idle
  233. Resetting Change Oil Message
  234. finally made a few mods to the STS
  235. Knock sensor blues!!!
  236. Emission Message
  237. New Struts? When to replace them.
  238. Oil
  239. STSi heads availability
  240. seeping head gasket
  241. Premium Fuel
  242. just wanted to say hi to everyone!!!!!
  243. NOS on northstar??
  244. engine squeeking
  245. Engine Problems?
  246. Engine/Coolant Temp?
  247. How much to rebuild a northstar?
  248. Is there a SLS/STS performance chip/programer yet?
  249. how to turn off tractin
  250. "Check Oil Level"