Question about Harley Davidson FXD Dyna Super Glide Motorcycles

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Replacing timing chain

Back firing

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Your engine has no timing chain.

Posted on Apr 20, 2014

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How do I go about replacing the timing chain on a 2000 ford Taurus with a 3.0 engine


The power steering fluid has nothing to do with the backfiring. Need to know why you think the timing is off. is there something else? If you have not played with the timing, backfire could also be an electrical cross fire issue. Have the compression tested to make sure the timing chain is not the issue. If the compression tests good, all the valves and the timing is working. Recommend you look at the spark plug wiring and replace if wet or damaged.

Jan 19, 2015 | 2000 Ford Taurus

1 Answer

No fire in coil pack.


Was the timing chain damaged ?
Did you have spark from the coil before you replaced the other parts ?
Do you have battery voltage on the positive side of the coil with the key on and in crank mode ?
Is the coil wire not sparking, or are you not getting spark at the plugs ?
Is the distributor rotor turning when you crank the engine ?

Jul 20, 2012 | 1994 GMC Safari

1 Answer

This is a 1984 1200 that will not start and back fires thru the exhaust and carbs


hello
Back fire is an indication that the bike is firing incorrectly.
Your timing chain is probably stretched, due to the year.
inproper valve timing due to stretched timing chain will make the bike backfire.

I have other thoughts like stuck valves or inproper sparkplug wires on wrong plug,
i always start with easier and less expensive method.
1st check your sparkplug wires to make sure they are on the right plug.
2nd pull sparkplugs and do compression and leakdown test.
3rd pull componets to see if valves are opening and closing, (valve clearance check)
4th if valves are good, then timing chain is probably stretched.
5th if timing chain and timing marks are good, and valves are good, then proceed to
testing the signal generator to make sure your getting a signal to the cdi,
6th if you have a signal to cdi, the cdi tells which coil to fire. either # 1&4 or # 2&3.
if signal generator is working, but coils aren't firing right then its the cdi.
obviously your coils work because its firing, just back firing.

Thats all it could be from easiest to hardest.
Good luck and have a great weekend.
Big Al

May 21, 2011 | 1987 Honda GL 1200 Aspencade Gold Wing

3 Answers

I have 2003 chevy impala (V6 3.4 liter) i recently replaced both head gaskets. The car was running fine and now with engine back together engine want turn over sounds like its not firing but the plugs...


Did you get the timing set correctly when you reattached the cam to the timing chain? It sounds like you didn't have the #1 Top dead center or the cams were in the wrong position when you reset the timing chain. The cam shaft and Crank will actually look like they are set correctly two times. Once when it is in time and once when it is out of time 180 degrees. If you are more than 5 degree out of time or more than 5 degrees from the point where it is 180 degrees out of time the engine normally won't fire at all. The easiest way to check and verify this is to do compression checks on the cylinders, you will find you have little or no compression on several cylinders if this is the case. To correct it remove the timing chain and set the crank to #1 Top Dead center. Then go to the head that is on the #1 side, line the cam up so that both valves are closed for the number 1 and line that mark up. You have to find the firing order to make sure the intake is open getting ready to close for the next cylinder that going to fire and the exhaust valve is closed, then make teh final adjustment to line that cams timing mark up then replace the timing chain. This should get everything roughly within 5 degrees of zero and should get the motor so it will start.

Mar 02, 2011 | 2003 Chevrolet Impala

1 Answer

I hav pulsar 150dtsi model2004,nowadays i feel its firing very bad noise, n also its smoothness running is so minimised.wht will b this problem?


Replace your timing chain, mobil,& adjust tappit and keep a check on the mobil levels.. if it decreases top it up. Back firing is caused due to timing chain mismatch. Just do the same.. it will be fine..!

Sep 27, 2010 | 2005 Bajaj Pulsar 150

1 Answer

Can a plug foul out while running? on a 190 E mercedes, it was running rich to begin with and it began missing, i stepped on the gas and actually redlined. then the car just shut off? i think that it might...


Whovever did the head repplacement should have replaced the chain. If they did not then you probably lost teeth on the gears and chain went wild in there. Back firing can mean alot of things and can definatly support what you are saying.

If you redlined the vehicle any number of things can happen with no load to slow the engine down.

Jul 16, 2010 | 1992 Mercedes-Benz 190

1 Answer

87 cbx250 not firing


you probally need to retime it find top dead center on copression stroke and aline your cam then put your chain on that shoul do it did you take the cam chain off or loosen your tensener? if so you need to re time it

Jun 20, 2009 | 1987 Honda CBX 250

1 Answer

Changed the timing chain and now i can't get the car to start it only back fires


There is no distributor,so thats not wrong ,only coils.If its back firing after you replaced the timing chain its out of time.You have to recheck the timing marks and make sure there right on perfectly.Also check any sensor and wiring around that area to be sure there not damaged.

Mar 10, 2009 | 2000 Dodge Intrepid

1 Answer

1978 pontiac firebird replacing the timing chain


1-8-3-4-6-5-7-2. This stands true for gm '79 v-8's

anaanymous

Oct 11, 2008 | 1979 Pontiac Firebird

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