: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 [9] 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33

  1. Problems with starting the engine
  2. Adding an Electric water Pump 95 Northstar
  3. 1995 northstar for sale *LOCKED*
  4. After WOT Car smells strong of sulfur , rotten eggs
  5. Dexool Questions
  6. 2002 caddy deville
  7. Limp. Mode help
  8. Lifter starting to tap and needs replacing,
  9. Reg oil or Synthetic oil
  10. Coolant Shooting Out
  11. Random light miss during constant hwy cruising
  12. Which PCM??
  13. Fuel Injector O-Rings- Where go?
  14. air in cooling system
  15. Best oil and spark plugs for the northstar 4.6L
  16. Enginge doesn't crank
  17. Help!! Engine idling with hiccups
  18. Tach
  19. the day has come: headgasket
  20. '99 Seville STS
  21. What are the differences between 99> and 00< motors?
  22. Why do these motors break rods?
  23. pretty betty deville
  24. how reliable is northstars limp mode
  25. 1999 deville almost overheating
  26. 3.71 ever better with smaller wheels?
  27. Refrigerant pressure
  28. Minor Coolant Leak
  29. 93 sts misfires, stalls, very rough idle, looking for cause
  30. Any thoughts? Code P1350 p1375
  31. Injector spec for a Y2000 N*
  32. oil cooler
  33. TPS issue: Codes P0122, P1122. Help!
  34. Need Help Installing Air Filter ?
  35. 2002 Deville coolant leak
  36. Blew the head gaskets replacing the motor
  37. 1997 deville stalling at idle
  38. bad headgasket
  39. N* running Hot, Real Hot
  40. 99 deville oil pump
  41. 2001 Northstar AIR Valve
  42. Hydraulic valve-lash adjustor evaluation?
  43. 99 deville - RFA U1000 Help
  44. 91 GMC Sierra, with a Northstar?
  45. 96 96 Northstar Noise and Oil light issue With Video
  46. Speedomoter Reads wrong
  47. 2001 Deville Falls Dead
  48. 98 sls overheating
  49. EVAP Purge Solenoid
  50. P0171, P0174 After replaced Plenum
  51. 97 deville overheating??
  52. Batteries, voltage, power, and Optima
  53. Intake Manifold Removal Snag
  54. Smoke
  55. Come for a vacation while your HG's are replaced
  56. Exhaust manifold swap?
  57. Temp Indicator Question!
  58. Does Anyone Have Any Ideas???
  59. 2001 deville misfire
  60. '98 heads and cams on a 2000 block
  61. Fuel Rail / Fuel Injector Removal
  62. No Spark
  63. Puffs of smoke while revving in park
  64. Warping the Heads???
  65. A/c Discharge Hose
  66. Northstar Valve seals?
  67. Main studs?
  68. Notice of price increase on HG replacement
  69. Mystery Vacuum Hose
  70. Bad Thermostats or blown Head Gasket??? Help
  71. timeserts
  72. Northstar Engine belt
  73. Question about Time Serts?
  74. Iridium Spar Plugs
  75. Stock crank HP?
  76. How much better are the 00+ headgaskets.
  77. 97 ELDARADO w/ blown H/G
  78. allante 9 engine swap to a y engine
  79. Weird transmission behavior - any ideas?
  80. 3" Exhaust all the way back?
  81. FWD Sump swap for RWD?
  82. Early engine number needed
  83. Low oil pressure enigine stop no start
  84. Need Motor Mount R&R procedure in Tech Tips
  85. Crankshaft Position Sensor
  86. 2002 Eldog
  87. changing starter on 1998 deville--have you done it?
  88. 01 STS - Engine cutting out on accel
  89. Ram Air set-up on a 95 STS
  90. NorthStar painting touch up?
  91. Camchain timing
  92. 03 front (left) motor mount help
  93. Oil filter IArea
  94. I may need all forum members help, especially those who have ordered the stud kits.
  95. Do NS engines have an "air regulator"?
  96. Injector Alternatives
  97. Best year for a NorthStar??
  98. How to remove oil filter adapter???
  99. 95 N* intake issue
  100. How to lock flywheel without $150 tool?
  101. 2001 Deville DTS PO300 Random Misfires
  102. Cadillac STS Coolant, service stability system...
  103. anyone ever use Engine Ice Hi-Performance Coolant
  104. 1994 cadillac sts coolant loss
  105. What size of Time-Sert I have to buy ?
  106. 96 Eldo ETC I found the ABS computer cover...how do I get in it?? Do I force it?
  107. 96 Eldo engine sputters and stalls. P0300 and P1380 Engine Misfire.
  108. 01 STS Water pump grumbling noise
  109. Replacement Engine
  110. Coolant loss?
  111. what is the difference between the concourse and regular?
  112. '97 DeVille SES but no current codes?
  113. 95 sts hard shifting/chugging trans?
  114. combustion gas test turned yellow
  115. Northstar Died? no vacuum, no compression on cyl 6.
  116. Myrtle Beach Repair Shop
  117. High oil pressure
  118. Transmission help
  119. P0621
  120. 96 Seville AC system
  121. air box
  122. Engine almost stalls
  123. Help needed before I break something...
  124. Lean Cruise Tune
  125. 95 seville died and wont start
  126. would bad hg's cause the lower radiator hose not to get warm??
  127. Help..Which is #2 cylinder and other question
  128. cam sensor trigger
  129. getting p0741 code please help!!
  130. need help
  131. anyone know what this writing can mean?
  132. Primary timing chain sprocket wear?
  133. Still no short run power
  134. 96 concours crank prob
  135. On Vacation, just a bit of fun street racing....
  136. What is Normal Valve Train Noise?
  137. Fpr
  138. Need urgent help with spark plug wires
  139. PCM codes P0138 and P1139
  140. could this be a hg issue?
  141. barely running Northstar
  142. slightly overheating and coolant leak
  143. Help with TCC replacement parts list
  144. radiator fans not cutting on
  145. saying goodbye
  146. Transmission problems after HG fixed!!!
  147. 1996 STS Engine seized again what could be wrong?
  148. is there supposed to be something in the bottom radiator hoes?
  149. Bad head gasket without any symptoms???
  150. Crank Pulley removal/install
  151. how to check if the headgasket is in good shape before buying?
  152. newb question about tune-ups
  153. 1999 DeVille Coolant leak
  154. Coolant C/O Question
  155. HP rating from a sticker
  156. shelby northstar
  157. Wierd shaped bolt holding in IAC
  158. Check out my Headgasket Job in the car!!!!
  159. Crossover Manifold, Pipe Gasket Part Number
  160. Intake Manifold Cracked at Bolt Heads
  161. For all of us with the fluxuating speedometer / intermittent cruise control
  162. Transmission Strengths/Weaknesses
  163. looking for head gasket repair in tx
  164. Different Headgasket Question
  165. What is the difference between VIN 9 and VIN Y 4.6L Northstars ?
  166. I need to find someone closer than Canada to do my headgaskets !!
  167. Sold one of my '97 to my best friend, now it won't start
  168. 2001 STS vac leak at intake
  169. Overheats less in 3
  170. TERRIBLE Gas mileage "help"
  171. damm am i hard headed...over heating still
  172. still overheating need help...
  173. Found Coolant in the Valley. What could it be???
  174. Difficulty level on swapping a N* 4.6?
  175. Help with engine removal for STS
  176. Can 97 N* lifters be disassembled?
  177. front motor mount
  178. A/C delete pulley
  179. coolant leak
  180. Overpressurize relief valve boot
  181. 97 deville blown head gasket question
  182. The best preventative maintenance for my 97 N*?
  183. Service Stability System
  184. duramax1980
  185. 98 NS Brackets
  186. Intake Manifold Removal, '97 SLS
  187. Northstar Bracket
  188. my 1st post transmission problems i think
  189. Priming the oil pump on a northstar engine
  190. 2000 STS, N*interchangibility?
  191. Trying to find Intake Manifold Spacer
  192. PCM wiring without a complete car harness
  193. 99 ETC Weak hot restart?
  194. deville 2000 HG ???
  195. DHS would stall upon starting... would not idle
  196. Why Check the Oil When Hot?
  197. very little coolant circulation...i hope its not a head gasket
  198. '99 STS Oil Smell?
  199. why didnt gm recall northstar engines for head gasket?
  200. Any good Northstar Mechanics in SoCal
  201. radiator drain valve
  202. New Studs to incorporate alignment pins
  203. 1997 Power Steering Pump Questions
  204. 2000 N* Head Gasket probability
  205. 00' STS N* Conversion ???
  206. 99 Deville/Headgasket Issue
  207. Misfire PC0300 Code
  208. Code P0741...Really confused.....Need help!!!
  209. Finally tore the motor apart
  210. 1997 sts stalled, Won't start
  211. HARD loud knock @ acceleration. help
  212. 93 Northstar Dies randomly. HELP!
  213. 95 SLS throttle body vacuum plug
  214. 2006 DTS engine issue
  215. 97 northstar balancer removal
  216. Advice on Northstar Transmission???
  217. oil in the antifreeze & overheating
  218. HG blown 375 days after a $3500 repair
  219. Northstar Coil Bank
  220. Engine wiring harness removal
  221. 97 seville sls coolant loss
  222. 98 deville engine question
  223. STS Blowing Out Oil But From WHERE?????
  224. '93 STS Oil cooler
  225. What kind of seal installer to use?
  226. Northstar head gasket replacement with warranty, Louisville KY - 1500 + parts
  227. how easy is changing the thermostat yourself
  228. Low speed stall
  229. Coolant Issue "00 STS"
  230. failed state inspection because of p0507
  231. Alternator questions....
  232. Bars Leaks Liquid Copper?
  233. which of these codes will cause my service engine light to be on?
  234. 97 Deville oil pan leak
  235. Please Help with long cranking time
  236. high idle
  237. Aftermarket Intake for '99 DeVille base model
  238. 02 Deville rough idle & codes
  239. 1998 Eldorado Head Gasket - 2nd time in 375-days
  240. Started to hear an intermittent grinding noise
  241. $788 To fix P0410 Code
  242. Car Stalled, won't restart
  243. Smell Coolant after Driving??
  244. 1994 STS quit in driveway, seems battery went dead.
  245. 2000 seville sts misfire
  246. Idle Air Control Valve (IAC)
  247. 94 sts intake cover gasket
  248. HG Budget for 97 STS
  249. Help.. 2000 dts tranny blown
  250. 1999 Seville SLS hard start P1350/P1375