: 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. Interesting find
  2. Valve cover bolts???
  3. Timing mark clarification
  4. Engine in the car repair... how many gaskets?
  5. Front hydraulic motor mount
  6. I can't get the CV joint to separate from the Trans
  7. 1993 Caddillac Eldorado - Timing Chain Issue
  8. Stud Kit Success!!
  9. Ways to increase performance?
  10. Radiator leaks and engine runs rough, no codes
  11. Ethanol Blends
  12. 98 Eldorado Starting Problems
  13. Problems removing head dowels
  14. Another visit to the track
  15. 95 vs 99 Northstar
  16. Tuning up the engine.
  17. Head Gasket Repair At Your Location!
  18. Head Gasket Paranoia
  19. catalyst converter replaced
  20. 93 STS Lots of smoke after fillup
  21. Exact oil filter wrench for 1996 Seville SLS
  22. new northstar
  23. Super Noob needs help overheating
  24. Nitrous Help: 01 DTS
  25. Head gasket removal, best practices
  26. 01 deville o2's locations?
  27. Head stud kit
  28. Documenting a swap: N* 4.6 / 97 STS
  29. 2005 DTS Twin Turbo project??
  30. No pcm data
  31. No pcm data?
  32. WIll a 98 vin 9 motor go into a 94 STS
  33. another newbie HG question
  34. NEW - 2002 Head Gasket Failure - Best Fix...
  35. Failed Smog Emissions Northstar
  36. What could it be?
  37. Exchange fluids how often?
  38. Tuning thread. Disappointed, but I understand.
  39. looking to buy a Caddy
  40. AC Delco platinum plug gap settings for N*
  41. how do i get my car to northstar preformance, uh cheaply?
  42. Engine 'misses' at stoplights
  43. where to get my head gasket repaired?
  44. Engine Shaking
  45. 4.6 Prevention and maintenance for longer life IE head gaskets.
  46. How to properly switch from red to green in a 2000 STS
  47. Water Pump Issue
  48. Lucas Oil Stabilizer
  49. Rough idle and low speed chug
  50. barS headgasket repair, has anyone tried it?
  51. Secondary Air Injection Check Valve... Bent?
  52. 2000 STS motor mount help?
  53. Oil pressure dummy light flickers...
  54. Head Bolts...
  55. Slight stumble, no codes
  56. 97 Deville wont start in the morning
  57. Stud Kit Help
  58. A kitten caused my Serpentine Belt to come off
  59. Check Coolant Level
  60. Cleaning Heads and Block
  61. Over Heating... HELP!!!
  62. 2001 deville rough idle
  63. engine grounds
  64. manifold blowoff
  65. sealant for blown heads?
  66. 1994 STS Overheating (I think)...
  67. Block Identification Numbers
  68. Snapping noise when coming to a stop..Answered Finally!!!
  69. Overheating Eldorado Help
  70. need some help
  71. 05' STS. Little help with P0102 please
  72. 2000 DTS P0300 code
  73. Head gasket repair
  74. P041 1994 deville concours
  75. Quick Oil Question
  76. rough idle, no codes, rough start
  77. coolant leak
  78. STS Radiator Hose Replacement
  79. 95 Eldorado ETC - Cooling system
  80. power steering line: o-ring?
  81. broken bolt in oil pan
  82. Water pump & crossover gasket - $$$$
  83. Help Me Please
  84. Rad Cap PSI was wrong
  85. Coolant Leak. Where's it coming from?
  86. Water pump Purge line?
  87. 5w30 or 0w30
  88. Destroying a N* Engine
  89. N* engine removal - newbee
  90. 02 DHS overheating
  91. TCC Stuck Off
  92. No clue what to do. Northstar blues
  93. problem with map sensors
  94. 2001 caddy sts seville tranny
  95. What is going on with the car?
  96. Spark Plug Wires
  97. "Hush" or "Gasp" Before Expected Throttle Response
  98. my 93 ETC Eldorado N* has a question for you guys
  99. Which spark plugs to buy?
  100. Thoughts on Dex-Cool and Head Gaskets
  101. 2001 cadillac deville small hesitations
  102. Normal Operating Temperature?
  103. Intermittent starting issue 97Seville SLS
  104. Trouble finding exhaust leak 99 Deville Y motor
  105. Is 235 too hot for a N*star on hilly roads?
  106. Spark Plugs ACDELCO or somthign els ?
  107. Good mechanics to fix head gasket in Oceanside, California area
  108. rough idle, only when in gear and brake on
  109. The first head gasket failure - 1 out of around 90 or so
  110. Tranny problems?
  111. how to install serpentine belt on 98 concours
  112. engine swap
  113. Why high fuel pressure?
  114. 1997 Northstar low speed hesitation and noise
  115. 2001 DeVille DHS / North Star motor losing power
  116. Air-Dam / Belly Splash Guard importance on cooling your N*
  117. Make Your Own Damn Motor Mount
  118. cooling fans inop p01660
  119. Hard shifting 1-2 Help!
  120. Fabricated Torque Strut for the 2000+ Northstar
  121. Horrible Engine Bucking 93 N* Allante
  122. 1998 Seville STS Performance Engine Build - STAGE I
  123. My pulley melted
  124. 01 Deville issues, no codes, no check engine light
  125. '96 Deville Coolant Change
  126. Overheating
  127. White smoke after changing starter (by removing intake manifold)
  128. No current codes but...
  129. N* Powered Camaro
  130. Strange coolant/heat issue 99 STS
  131. 1998 STS engine full of mystery sludge?!
  132. Rough idle-stumble on accel
  133. 95 Eldorado 4.6L Engine stalls
  134. Oil in intake manifold 4.6 1993
  135. 98 Deville Concours Preformance Exhaust???
  136. Engine year compatibility
  137. Sucessful Northstar head gasket repair in a bottle
  138. PCM 09354896 code DCHJ
  139. 1997 4.6 eldorado up hill over heats
  140. fuel injector ohms
  141. 93 sts fuel rail removal tools
  142. Air ride compressor
  143. Overheating??
  144. Codes P0122 and P1122...
  145. Motor mount replaced!! WTF!!!!!
  146. 1996 Seville STS O2 Sensor REMOVAL. CAN"T GET TO IT
  147. 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!!
  148. Long road trips good for the Northstar?
  149. headgaskets a 2nd time?
  150. 97 eldorado w/180,000 miles, should i upgrade to a preformance coil?
  151. 94 eldorado 4.6 - no codes - stumbling/chugging - about to give up
  152. Car not turning over
  153. Codes 340 and 1016 + Fixed A.I.R. with new coil cartridge?
  154. Transmission issue
  155. spark plugs
  156. Yearly engine oil changes really necessary?
  157. Overheating problem
  158. maybe you all know more
  159. What Oil For Northstar Cams and Flat Tappets?
  160. 93 seville sts fuel rail
  161. rear main seal
  162. 93-99 Camshaft picture needed
  163. Seville 03 shaking problems after tune-up.
  164. is it the head gasket again?
  165. Problems with starting the engine
  166. Adding an Electric water Pump 95 Northstar
  167. 1995 northstar for sale *LOCKED*
  168. After WOT Car smells strong of sulfur , rotten eggs
  169. Dexool Questions
  170. 2002 caddy deville
  171. Limp. Mode help
  172. Lifter starting to tap and needs replacing,
  173. Reg oil or Synthetic oil
  174. Coolant Shooting Out
  175. Random light miss during constant hwy cruising
  176. Which PCM??
  177. Fuel Injector O-Rings- Where go?
  178. air in cooling system
  179. Best oil and spark plugs for the northstar 4.6L
  180. Enginge doesn't crank
  181. Help!! Engine idling with hiccups
  182. Tach
  183. the day has come: headgasket
  184. '99 Seville STS
  185. What are the differences between 99> and 00< motors?
  186. Why do these motors break rods?
  187. pretty betty deville
  188. how reliable is northstars limp mode
  189. 1999 deville almost overheating
  190. 3.71 ever better with smaller wheels?
  191. Refrigerant pressure
  192. Minor Coolant Leak
  193. 93 sts misfires, stalls, very rough idle, looking for cause
  194. Any thoughts? Code P1350 p1375
  195. Injector spec for a Y2000 N*
  196. oil cooler
  197. TPS issue: Codes P0122, P1122. Help!
  198. Need Help Installing Air Filter ?
  199. 2002 Deville coolant leak
  200. Blew the head gaskets replacing the motor
  201. 1997 deville stalling at idle
  202. bad headgasket
  203. N* running Hot, Real Hot
  204. 99 deville oil pump
  205. 2001 Northstar AIR Valve
  206. Hydraulic valve-lash adjustor evaluation?
  207. 99 deville - RFA U1000 Help
  208. 91 GMC Sierra, with a Northstar?
  209. 96 96 Northstar Noise and Oil light issue With Video
  210. Speedomoter Reads wrong
  211. 2001 Deville Falls Dead
  212. 98 sls overheating
  213. EVAP Purge Solenoid
  214. P0171, P0174 After replaced Plenum
  215. 97 deville overheating??
  216. Batteries, voltage, power, and Optima
  217. Intake Manifold Removal Snag
  218. Smoke
  219. Come for a vacation while your HG's are replaced
  220. Exhaust manifold swap?
  221. Temp Indicator Question!
  222. Does Anyone Have Any Ideas???
  223. 2001 deville misfire
  224. '98 heads and cams on a 2000 block
  225. Fuel Rail / Fuel Injector Removal
  226. No Spark
  227. Puffs of smoke while revving in park
  228. Warping the Heads???
  229. A/c Discharge Hose
  230. Northstar Valve seals?
  231. Main studs?
  232. Notice of price increase on HG replacement
  233. Mystery Vacuum Hose
  234. Bad Thermostats or blown Head Gasket??? Help
  235. timeserts
  236. Northstar Engine belt
  237. Question about Time Serts?
  238. Iridium Spar Plugs
  239. Stock crank HP?
  240. How much better are the 00+ headgaskets.
  241. 97 ELDARADO w/ blown H/G
  242. allante 9 engine swap to a y engine
  243. Weird transmission behavior - any ideas?
  244. 3" Exhaust all the way back?
  245. FWD Sump swap for RWD?
  246. Early engine number needed
  247. Low oil pressure enigine stop no start
  248. Need Motor Mount R&R procedure in Tech Tips
  249. Crankshaft Position Sensor
  250. 2002 Eldog