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1986 Nissan Van won't start

Tiny
PB4UGO
  • MEMBER
  • 1986 NISSAN VAN
  • 4 CYL
  • 2WD
  • MANUAL
  • 16,800 MILES
Truck would't start, I found the timing chain tensioner, and the guide broken. Replaced chain, tensioner, and guide. Tried to start, but no start. I checked for spark, and it has spark.I dumped a little gas down throttle body, and still no start. It just spins over, like it has no spark, or gas, or like the timing chain is broke. The engine is a Z24. What am I doing wrong?
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Monday, August 24th, 2009 AT 7:25 PM

6 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
NAPZ engine 8 plug

Maybe you got the valve timing off-Did you put engine no.1 piston on its compression stroke/TDC and line the cam and crank up before installing the timing chain
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Monday, August 24th, 2009 AT 7:30 PM
Tiny
PB4UGO
  • MEMBER
  • 4 POSTS
Yes I lined the crank, and the cam, up just like the book said to. Both keyways straight up, and the cam gear set in the #2 hole. I can turn the motor over, with the #1 plug out, and watch it spark. It sparks at top of compression. Am I still missing something?
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Tuesday, August 25th, 2009 AT 9:32 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You sure its not on the exhaust stroke before you line it up
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Wednesday, August 26th, 2009 AT 1:33 PM
Tiny
PB4UGO
  • MEMBER
  • 4 POSTS
The intake valve closes, then the crank rolls around to 0 on the timing marks. Then all the marks line up. Is this wrong?
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Wednesday, August 26th, 2009 AT 7:56 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I checked for spark,and it has spark.I dumped a little gas down throttle body,and still no start

Did it combust and died out?

Did you line it up like this see below and where is the rotor pointing at


https://www.2carpros.com/forum/automotive_pictures/12900_timing_z24_1.jpg

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Wednesday, August 26th, 2009 AT 9:14 PM
Tiny
PB4UGO
  • MEMBER
  • 4 POSTS
Yes I lined it up just like that. The rotor is pointing at #1 intake plug.
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Wednesday, August 26th, 2009 AT 9:28 PM

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