: Northstar Engines and System Technical Discussion



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  1. 2001 STS P0307. Stalls and hesitates under light acceleration
  2. fuel rail ground
  3. Hmmm. . .Interesting read. Running Compression Test
  4. To Hone or not to Hone
  5. Deville Warped Block can this be fixed?????
  6. Why would smoke be filling the valve covers?
  7. Doing the studs and head gaskets , would like suggestions for locking cams & crank
  8. 98 cadillac eldorado 4.6 engine questions
  9. A few northstar ??
  10. Cant remove EGR
  11. HELP it wont start!
  12. changes made in 2004
  13. 95 PCM question
  14. Power inconsistancy, acceleration, normal? More than one car..
  15. New bearings, new rings, 1000 miles and still burning oil
  16. '97 etc flooded after hot soak
  17. 2000 ETC, vin 9, will seville/deville vin 9 motors fit?
  18. Ac charging problems
  19. 1999 sts
  20. Strange PC 0741 code situation - '97 STS
  21. 8000+ rpm
  22. Steel Seal
  23. baby northstar question
  24. month and day of midyear headbolt change in 2003
  25. Bank 1/2004 Deville DTS
  26. Fuel Injector problem
  27. 2000-01 cam problem
  28. Battery drain
  29. 1998 DeVille Overheating
  30. Temperature Gauge Dampening
  31. 2000 Deville Overheated losing coolant.
  32. Temp gauge dampened? Here's the answer:
  33. 222 degrees B4 fans?
  34. question about new rebuild on 99 sts
  35. 1999 Concours
  36. Running tad bit cool - thermostat or ect sensor?
  37. What else is possibly left???
  38. Yahoo!! My car runs!! :-)
  39. 2001 Deville Stalls/rough idle
  40. Can you replace the HG with the engine in the car?
  41. just lost my oil pressure
  42. EGR valve
  43. stop engine, low oil pressure warning. oil full
  44. Perplexed. Can't figure out what this 1 connector goes to
  45. Blown Northstar V8
  46. Blower motor removal
  47. Recommended Serpentine Belt?
  48. Anyone know how to check an ac compressor
  49. Where to route the starter cable?
  50. Acronyms
  51. Runing Hotter than Usual
  52. Installing engine top dead center
  53. is there any place around philly that repairs northstar head gaskets?
  54. Down Pipe Should be Ported
  55. In a bind and need some info
  56. Notice to all Northstar Technicans; including the DIY crowd-
  57. Question for anyone who has used one of Jake's stud kits....
  58. Alas.....another head gasket has given up the ghost...
  59. How hard is it to convert a 3.11 transaxel to 3.73?
  60. 2001 Deville 224,000 mi.
  61. screwed up big time - need a coolant crossover
  62. Would you invest; if Northstar Performance offered investment plans?
  63. Pics of coolant test of exhaust gas/head gasket leaking?
  64. jakes studs
  65. thermostat housing drips
  66. 2000 Eldorado ETC 4.6L Head Gasket Questions
  67. Collaboration of ideas about Superchargers on FWD Northstar
  68. New engine rebuilt breakin procedure
  69. 95 Eldorado with Jake's studs
  70. Northstar tranny pan bolt.
  71. Head Gasket Gurus, In here!
  72. head bolt torque info?????
  73. Drivability Problems 94 Eldorado
  74. Cadillac Specialties, Good work???
  75. HG repair in DC, MD or VA???
  76. bolt pattern differences between L37 and LD8?
  77. informative.......
  78. Dry Film Lubricants.
  79. Temp gauge position, what is the basis for this?
  80. Mustang 4.6L Injectors on Northstars?
  81. oil pump spacer driver
  82. 2000 and up N* engines?
  83. 94 Eldorado 4T80E No Forward Gears After Shift Solenoid Change
  84. anyone MARRYYLANNDD??????
  85. Better Mileage out of LD8 Northstar
  86. Service Emissions system message
  87. 2002 Deville Multiple codes, rough idle, surging at high RPM
  88. Interesting oil info
  89. Fuel Filter location 95 deville concours 4.6
  90. 95 Deville Concours 4.6 bucking while in gear and AC compressor on
  91. threading for norms inserts
  92. 95 deville 4.6 northstar ISC clicking
  93. Setting timing on 1999 STS after HG repair
  94. 96 Deville Problems
  95. Whats the deal with my o2 sensors
  96. 2000STS oil pan problems
  97. oil smells like gas low oil pressure
  98. Idles strangely when turning heat/ blower switch "on"
  99. OBDii USB scanner
  100. Last post, race car blew up
  101. Long Hard Starts
  102. 2000 Deville DTS upgrades
  103. What the heck is it?
  104. Purge line???
  105. Ideal IAT Sensor Conditions
  106. overheating issue
  107. Engines To Ship to USA via UPS - FINALLY ALL SET UP!
  108. After 17 years, GM is bidding farewell to the once groundbreaking NORTHSTAR
  109. Supercharger like whistle?
  110. 98 deville BlownHead Gasket???
  111. Cooling question I know Another one
  112. chocolate
  113. Damm leaking half seal, what about lucas?
  114. 2000 Cadillac Deville Speedo Problems!
  115. water pump pulley
  116. 01 deville just bought a lemon?
  117. 1999 STS V8 Northstar Engine Misfire / Smoke
  118. 99 Deville starting idle issue
  119. P1376, P0340, I'm desperate...
  120. A rep from General Motors is coming to my shop tomorrow!
  121. Reluctor wheel clocking?
  122. Combo electrical/fuel problem in race car
  123. head dowels
  124. peanut butter in coolant resevoir
  125. 96 STS P0171 & P0174 Code
  126. Battery or alternator
  127. I think my HGs are gone
  128. Please help need to finish tomorrow i am begging
  129. Have to swap engine and tranny in 2000 DHS
  130. I need two exhaust cams and 8 buckets for a 99
  131. 01 DTS running lean codes 0171, 0174 what to look for?
  132. 2000 deville dts rip
  133. 2002 STS RPM Limited... Airflow Sensor Issue or other?
  134. Is power steering and transmission fluid the same in a 94 seville
  135. Customer Paranoia with temp guage - need input from other members-
  136. oil in head bolt hole
  137. Exhaust leaks at Y-pipe to exhaust manifold and front ex. manifold to crossover pipe
  138. 5k rpm limit in 1st gear?
  139. Do I need a new crankshaft? :( pic inside
  140. Painting valve covers
  141. Another CRACKED 2000 block
  142. curious why,PCV vents different?
  143. Emissions Test: It's ok to burn oil eh?
  144. New owner of 99 Deville, avg. temp question
  145. Ac delco pf61e oil filter
  146. Bearings
  147. 94 and 95 intake different?
  148. Had Coolant Flush/Fill done at shop, - now a question
  149. 1994 seville STALLING.
  150. Drilling out the block
  151. Why won't tranny separate
  152. Cylinder head torque?
  153. Victor Reinz Headgasket kits
  154. slight engine miss
  155. Gapless Piston Rings
  156. Please Help!!! I am baffeled
  157. Anyone need a 00+ motor?
  158. Got gaskets?
  159. Head bolt reuse? thread sealer
  160. What - 99 STS No EGR passage ways?
  161. Northstar 8-6-4 Technology, Did it Ever Exist?
  162. 99 STS Cylinder head different than 97 STS Cylinder head (alternator bolt holes)
  163. Having trouble locating o2 sensors
  164. Oil Pressure Light + Warning
  165. Broken bell housing
  166. Burping coolant system????
  167. How much coolant
  168. Check oil level but oil level is good?
  169. NEED HELP TODAY, Can't get tranny out
  170. Mysterious tube coming out of transmission, currently plugged.
  171. 99 ELDO ETC...PLZ HELP ME before I push this car into the river!!!
  172. Wanted!! NORTHSTAR specialist in /near Lancaster, Pa
  173. Guidance on Oil Dye and where the leak is
  174. Engine removal - can't get engine separated from transmission
  175. Northstar Swaps - What years are interchangeable and the differences
  176. Cracked Block? Thought it was rare
  177. 96 deville cant find ect sensor
  178. Someone else loves your ignition coils.......
  179. Ticking noises
  180. Northstar interchange
  181. Starter Replacement - It's not as bad as everyone thinks!
  182. More engines......NEED HELP DECODING
  183. ABS/Traction control light on (02 deville)
  184. 98 Seville STS running rough
  185. 00 N* VIN Y cyl 2 and 7 misfire or spark problems
  186. Renting engine mount?
  187. Here is an interesting problem!
  188. 2002 engine into 1998 model? Or swap body parts instead?
  189. Northstar headgasket job did I f up?
  190. High Idle and Thumping Breaks after Fuel Pump Replacement
  191. Need to confirm rear seal, please look
  192. Headgasket help timing tensioner
  193. 2002 Eldorado Plenum Change
  194. No gauges
  195. STS engine into SLS
  196. Turbo northstar in a truck!?
  197. 2nd Design "Cartridge" Rear Main Seal
  198. My 2000 Deville has the p0300 code, and possible p0420 code. Need help
  199. lifters (how do you no if it bad)
  200. Part Number For Idler Pulley Spacer
  201. Here is my dilemma
  202. IAC Question
  203. Guys need help with oil leak for racing caddy
  204. Turbo kit
  205. Oil Life Monitor Could someone Explain something please
  206. Spark Plugs
  207. Idler Pully Replacement
  208. 93 fuel pressure regulator
  209. Northstar Ring Cleaning Procedure and proper oil level TSB
  210. 2002 Eldorado rough idle
  211. no oil press after head gasket replacment
  212. 99 STS engine reinstallation question/problems
  213. Engine Kill Switch (where to put it)
  214. Coolant problem after HG job
  215. Northstar intake manifold swap question - 2000 redesign ?
  216. 1999 Deville wont start after engine swap?
  217. New Shop being set up in Western Canada & North Dakota
  218. how I fixed my p0410, p0420, p01860, and p0741 codes and made my DHS a convertible
  219. code 1406-EGR
  220. Head Gasket symptoms after Head Gasket repair
  221. 99 water crossover ?
  222. Clevite brand bearings
  223. Low Oil Pressure after Head Gasket Repair
  224. 99 Deville Runs Like S#!t
  225. head gasket manufacture
  226. Anybody have experience with rebuilt tranny from Rock Auto (Marshall)
  227. 98 model- HG or maybe WP?
  228. Codes, 0401, 0420, 0300, 0440
  229. chain tension between cams
  230. How to remove fuel rail 2002 model
  231. Damn this monster pump
  232. Engine Stall after hard driving
  233. WTF??? Have to pull the engine for oil pan gasket leak?
  234. Need to find a reputable transmission rebuilder
  235. Is my fuel pump bad??
  236. replaced starter, now the engine runs like crap
  237. Sometimes No Heat
  238. Anyone know what size allthread for cradle drop?
  239. Jakes Sur Grip Stud - Norms NS300L Sirt- Time Sirt's Wich have you doen
  240. I am swapping my engine for one of Jake's, how hard to rebuild tranny myself?
  241. 2001 dts p0420
  242. Northstar Engine Parts Galore!
  243. Have you Had your HG's GO ?
  244. Its official, cadillacs are junk!!!!!!!!!!!!!
  245. Head Gasket Repair
  246. 1995 eldorado need help identifying black wire
  247. Random misfires & loss of fuel pressure!! Help...
  248. Coolant fan wiring
  249. Help! Water pump issue
  250. O2 sensor trouble codes after engine installed