Question about 1991 Nissan Pathfinder

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MY TIMING BELT BROKE ON MY 3.3 V6 NISSAN,BENDING VALVES.I PUT 3.0 HEADS ON.WHEN I START MY VEHICLE IT SOUNDS AS IF ITS SMOTHERING AND IT DOESENT FIRE ON THE RIGHT BANK IF YOU STAND IN FRONT OF THE VEHICLE.I CHANGED PLUGS,CHECKED THE SPARK.THE PLUGS ARE WET OF TOO MUCH FEUL ON THEM.

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Sounds like it is out of time yet

Posted on Sep 30, 2010

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My 96 acura integra died out one day after picking up my wife from work i had picked her up and i was getting off the highway coning to a stop and a redlight and the car died and wouldnt start...my dad...


The Internet, though, has a large number of web sites where
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Mar 11, 2015 | 1996 Acura Integra

1 Answer

Turns over but no spark, after new head askets


are you asking this 3 times removed? really>????
is this the 4 cam v6 or 2?
the 4 cam has 2 gears for 2cams and belt drive. 6ve1
the 2 cam v6 has no gears.
6ve1 engine, they have real names and all run different EFI controls
all do.

ok no spark (tested the wrong way !!!)
fuses good. or not, we test them not guess, on (looks ok)
you need to run compression on any engine with new head (or pulled) or leakdown 10x more safe.
that be first. you can bend valves on the 4 cam engine
(not on 2valve engines,one per bank)
forget the 2 CMP sensors on rear of both heads.?
spark dead on all 6 spark plugs
ckp dead.
CMP 1 or 2 dead
fuse blown.
has 6 ignition coils right, (usa) called C.O.P.'S.

i bet you didnt scan it cranking did you
if the pcm on the 6ve1 engine, sees cams turn wrong
it cuts spark to keep from bending over the head valves
the cams must be timed correctly and not in a cavalier manor
what's your engine vin code 8th digit
that tells the helper what engine is there, as you seem not to know.
there are 3 different V6 used here.

i see you really didnt check spark, just assumed it.
why? extend one cop, use fresh grounded test spark plug
omg got spark omg on all 6 in fact
omg compression is dead. x6 bent valves.

i never ever ever, crank any DOHC engine (messed with like this)
until the leak down test passes, by hand with shop air.
this act,saves further damage

VIN = Y or W
eight digit of vin is engine code. !!!
are 4 camsl

its flooding
so, compression is gone
sparks gone
or it over injecting for some reasons
if compression is ok, 150psi +
and parks good
secret wide open throttle will clear floods, (cut fuel mode )
but all this is risky on any 4 cam interference engine.

when i put the belt back (assuming cams not removed)
I check cam timing 2 time or 3 times, or risk bending valves.
6ve1
then do the leak down test now, just like you are there.
hand turned crank. (at each of the 6 TDC points(skills)
opps its got 0psi on many cylinder
that means valves are bent.

here is the SM quote step 4 belt install
WARNING If any binding is felt when adjusting the timing belt tension by turning the crankshaft, STOP turning the engine, because the pistons may be hitting the valves.
one can just throw an engine like that back together.
they also told you to set cam timing first, before pulling heads
or damage can happen,
but that depends on the event
belt snapped, jump cogs or just leaking head gasket.

Mar 02, 2017 | 2000 Isuzu Rodeo

1 Answer

1990 toyota tercel just quit running while going home. battery okay, spark plugs okay. when I start it grinds, but doesn't fire


sounds like timing belt or chain has broke or maybe a timing gear. I would not advise trying to start it if this is the problem because you run the risk of bending the valves. TRY this to determine if it is the timing. Take cap off off valve pan cover " where you put the oil in " and using a flash light look down into the hole and have someone try to start it. IN most cases if the timing is out wou will see no movement of the rocker arms....hope this helps and good luck....

Aug 13, 2012 | 1990 Toyota Tercel

3 Answers

CAR STALLED. DISCOVERED TIMING BELT HAD BROKEN. REPLACED BELT. STILL WILL NOT START BUT WILL TURN OVER


It sounds like the timing is still off, which will not allow it to start, or you have a faulty cam, or crank sensor.

Apr 14, 2011 | 1993 Volvo 850

1 Answer

I have a 1991 Nissan Pathfinder with a 3.0 V6 engine. The timing belt broke while I was pulling out on the highway. I was wondering what the chances are that none of my valves got bent?


You're probably in pretty good shape the valves on that engine have a short lift and, fast duration.
Put on a new belt and, pressure test each cylinder before you start the engine up.

Aug 04, 2010 | 1991 Nissan Pathfinder

2 Answers

I own a 2000 Nissan Frontier crew cab v6 - I was wondering what would happen if my timing belt broke - I just turned 107000 mi. - would the motor lock everyting up - or just the belt broke - also I...


If your timing belt breaks some of the valves will stay open and the pistons will come up and either break the valve or could put a hole in a piston. This is very costly. The rattle could be the belt tensioner

Jun 28, 2010 | 2000 Nissan Frontier

1 Answer

94 pathfinder v6 auto 4x4 .engine died nuw wont start ,turns over and tries to fire,maybe the timing belt broke?if so would the valve train be damaged Thanks Barry


This vehicle has an interference engine (v6-VG30E), If the timing belt ran or snapped while running, its very possible the engine is severely damaged. Hopefully this helps!!

Mar 28, 2010 | 1997 Nissan Pathfinder

1 Answer

Timing belt broke and jump timing how do i get


If you have the harmonic balancer still attached you can align the timing marks with 0 degree to get the main block aligned. With the head removed you can turn the cam shaft till the number 1 valves are both closed and the number 3 exhaust valve is open. Take the time to inspect the valves as well. This vehicle did not come with no contact valves so when the belt broke it is possible the valves made contact with a piston and bent. I highly recommend you get the Haynes Repair manual on this vehicle from the local auto parts store as it has detailed instructions on how to get back to TDC if this happens. It also has Pictures on this. Because this belt goes around 3 timing marks aligning those after you have the pistons at TDC if you align the timing marks on the different sprockets/pullies the timing for teh valves will be correct.

Jan 25, 2010 | 2000 Plymouth Voyager

1 Answer

1984 Nissan 300zx


the timing belt should be changed every 60,000 miles.
your engine is an interference engine, which means if the timing belt breaks or skips, the valves will hit the pistons.
if your belt broke you will have bent valves. so the heads will need to come off and bent valves replaced.

Aug 18, 2008 | 1992 Nissan 300ZX

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