Question about 1990 Honda Accord

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I have replaced timing belt and head gasket after having a blown head gasket set tdc and all timing marks but motor backfires and almost starts but will not please help me

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Sounds like the timing is 180 degrees out. You would have to unhook the belt and turn the crank 360 degrees and put the belt back on. I hope this helps!

Posted on Sep 14, 2010

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I have jusy replaced the head gaskets on the motor but i cant seem to get in back in time ive tried to turn the disturbitor but its like it backfires what is the standard time line for this motor.


chain or belt
recheck timing marks on the cam and crank align
turn clockwise twice if the timing marks are out
it wont start and backfire

Apr 30, 2016 | Cars & Trucks

1 Answer

Wont start backfires


recheck the firing order . sounds like you have crossed two plugs

Feb 26, 2014 | Cars & Trucks

1 Answer

Backfiring


Sounds like the timing marks between the crank and camshaft are off. Turn the engine over manually until the crank pulley is at top dead center(TDC) remove the timing belt cover, and check to see if the camshaft marking (notch) is pointing at the proper mark, which I believe is aligned with the front side of the cylinder head on that model, but check the timing belt alignment specs to be sure.

Jun 06, 2013 | Cars & Trucks

3 Answers

Put on a new timing belt now it wont start


I need some clarification. Did you replace the belt because it broke? If so you may need to replace the head. The problem is if the belt breaks when your moving it usually damages the head and thus needs to be replaced.

Jul 25, 2012 | Plymouth Breeze Cars & Trucks

1 Answer

Resetting timing after replacing head gasket


Do you have the timing belt on and the tensioner set correct? If so, just rotate the crankshaft around until the notch on the crank sprocket is lined up with the pointer on the oil puimp housing (TDC). Now the camshaft sprocket's notch or pointer should be at the top and exactly in line with the mark on the rear timing belt cover. If it's not correct, you'll have to release tension on the belt, remove it, and set the camshaft to the mark. But before you do that, turn the crankshaft back (counterclockwise) just three notches. Then you can turn the cam to line up, then return crank to line up, and continue with belt installation, setting the tension, and re-checking timing marks after rotating the crankshaft a couple of revolutions. Once you know the timing is set to TDC, no further timing adjustments are possible, because the computer controls timing. I don't know how important it is, but just to let you know: Chrysler recommends after belt removal or replacement that one perform the "crankshaft and camshaft relearn alignment procedure" using the DRB scan tool (Chrysler's scanner device) or equivalent scan tool.
And the firing order on all four cylinder engines is the same: 1 3 4 2.
I hope this helps you out. Cheers.

May 11, 2012 | 1996 Plymouth Breeze

3 Answers

I replaced my cylinder head gasket.after putting everything together,i tried to start it but it won't.it cranks and backfires. i double checked everything and timed it several times by positioning the...


well try removing the distributor and spin it around half way 180 degrees then try. it seems you are off there are two ways to install the distributor because two turns for the crank equal one for the distributor.if still wont start call on me again i will help you .

Nov 14, 2010 | 1998 Chevrolet K1500

2 Answers

No compression in engine


Could be head gasket, burnt valve or worn piston rings. Hows the oil pressure? low oil pressure will indicate a badly worn engine. High oil level in crankcase but good oil pressure might point to a blown head gasket. Also a pressure test on the cooling system may help with diagnoseing head gasket. Consult your shop manual for instructions.
Good luck. Please rate, thanks.

Mar 04, 2010 | 2002 Mitsubishi Galant

2 Answers

1989 Isuzu pickup how to align timing marks on cam and crank?


The Isuzu is a strange animal-when you do the timing belt you set it with #1 TDC "BUT" the distributor is timed with TDC #4 I found this the hard way and finally had to buy a cd with the procedures on it. Send me an e-mail address and I will forward the associated pictures &
info to you.
Jim Young
jmysr@hotmail.com

TIMING BELT & SPROCKETS R & I
NOTE: Some procedures may differ slightly due to engine
construction.
Removal
1) Remove all necessary air ducts. Position No. 4 piston at
TDC of compression stroke. Align timing marks. See Fig. 2. Remove fan
and fan shroud. Remove belts. If necessary, remove radiator and
splashguard.
2) Prevent engine from rotating and remove crankshaft timing
pulley retaining bolt. Remove upper and lower timing belt covers.
Remove spring from tension pulley. Loosen adjusting bolt and move
pulley toward water pump. Remove timing belt.
CAUTION: Ensure pistons are at TDC when rotating camshaft or damage
may result.
Inspection
1) Handle timing belt carefully. Avoid twisting or kinking
belt. Do not allow belt to become contaminated by water, oil, dirt or
other contaminates. Inspect belt for cracks or damage. If necessary,
replace.
2) Measure tension pulley spring length and force. Spring
length should not exceed 2.76" (70.2 mm) and spring force should not
be less than 197-347 lbs. (27-48 kg).
3) Replace tension pulley spring if not within specification.
Installation
1) Pull tensioner fully toward water pump side and
temporarily tighten retaining bolt. Ensure No. 4 cylinder is at TDC on
compression stroke by rotating crankshaft until keyway aligns with
mark on front crankshaft seal housing (12 o’clock). Rotate camshaft
until timing mark on cam gear (arrow) aligns with mark on upper
camshaft cover (notch). See Fig. 2.
NOTE: When timing marks are aligned as stated above, No. 4 piston
is at TDC on compression stroke.
2) Position timing belt over crankshaft sprocket, oil pump
sprocket, camshaft sprocket and tensioner in that order. Ensure belt
is positioned in sequence given and without slack between sprockets.
Loosen tension sprocket adjusting bolt allowing spring tension to
tighten belt. Tighten adjusting bolt temporarily.
3) Temporarily install crankshaft pulley bolt and rotate
crankshaft 2 complete revolutions in opposite direction of engine
rotation, until marks on crankshaft and front oil seal retainer are
aligned again. See Fig. 2. Loosen tensioner lock bolt, allowing
tesioner spring to fully adjust tension. Tighten tensioner lock bolt.
4) Install timing belt covers. To complete installation,
reverse removal procedures. Tighten all bolts to specification. See
TORQUE SPECIFICATIONS table at end of this article.
Fig. 2: 2.3L & 2.6L Timing Alignment Marks
Courtesy of Isuzu Motor Co.

Jun 05, 2009 | 1989 Isuzu Pickup 2WD

2 Answers

1994 grandam no start flooding


you might have blown the heads so you will have yo do some repalcements on it also you will have to repalce a new tensioner on it beacause it might of broken with the force it was given

Apr 01, 2009 | 1994 Pontiac Grand Am

4 Answers

1999 Plymouth Breeze 2.0 SOHC I just replaced the timing belt because the old one had not broke but rather had eaten off all the teeth so the timing was off. I set the timing mark on the crank to TDC...


When changing the timing belt you need to place the cam shaft a TDC( clock wise), then rotate the crankshaft to TDC (clockwise), then back off the crankshaft (counter clockwise) THREE TEETH then back (clockwise) 1/2 tooth before TDC place your timing belt arround the crankshaft- water pump- and camshaft finally putting arround the tensioner pulley, holding 25 flbs of torque on the tensioner pulley to get the correct tension then push up on the hydrolic tensioner and tighten and you should have it.... rotate the crankshaft twice, if the camshaft pulley ends back on TDC then you have it correct.

Nov 29, 2008 | Plymouth Breeze Cars & Trucks

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