Back firing after the coolant hose blew up

I had another thread on here about my upper radiator hose blowing up and dumping water everywhere.

I can't get the car to start now because it's back firing reeeeaaaal loud and I think I might blow my exhaust pipes apart if I keep trying to start it.

1) I made sure all my plug wires were dry then,
2) I changed my dist. cap then,
3) I swapped out the whole dist. but it still back fires.

I pulled the wire off the coil side and the end of it stayed in the tip of the coil. It doesn't really look burnt up but it is all discolored and broken. This was a brand new coil in the fall of '05 and the wires are new too. Is my coil shot? Can they get water inside of them? What do I do next?
Thanks

 

Two things: One, make sure that when you replaced the dist cap that the firing order is correct and that the order reflects the proper rotation of the dist in the engine. Two, make sure that the distributor is properly installed in the engine. Ray

 

I will double check the wiring but I should be correct. I know the dist. is installed properly - I already verified that.

 

Something else to consider as well is the possibility that some coolant got into the distributor. Ray

 

YES!!! It definitely took a gulp. When I removed the air cleaner, water was running out of it.

 

I swapped the dist. already.

 

MARK if it sounds like im knocking you im sorry BUT ihave to say it might be something you did wrong ///// i cant see acause for back firing in a blown hose ...sure if the wiringh or dist got wet but you dryed it off and it has been days,,,,so it is not water related now,,,,the only thing left is what you did /////i would go over it again nice and slow or have a friend check your work sorry but that is my take on it ive been there myself and it is almost always something i did wrong hope this helps////pete

 

but....

would water in a carb make the car backfire so much?!?! After all wouldnt it be like getting ripped off at the gas station with watered down gas?

 

Pete, that's good advice and I would never take comments on this board as a knock against me...well, I might but I'll get over it.

I double-checked my work this morning because I am an idiot and screw things up a lot. But this time, everything looks good. I checked my plug wires twice today to make sure they were in the right places.

It has to be the water in the carb and combustion chamber (as someone else also PMd me about). I dried out the air filter but kept the hood closed. It's been in the upper 20s and low 30 degree temps around here so no other water is evaporating on it's own. I saw water still sitting in the accelerator pump area this morning as well. Saturday, I'm going to remove all my spark plugs, dump some carb cleaner down the carb and crank the engine until all the water is blown out. I'll probably check my compression while I'm at it but that has nothing to do with this thread.

 

MARK i went back and read all the posts again////IF as you stated you are positive it is not something you did ///////then it has to besomething caused by the water OK well you asked if water could get into or ruin the coil id say no///but since it did get into the carb then it got into the eng///if you dump a lot of water into a running eng you can cause some damage////////// how much and what kind depends on a lots of things and it is all a big guess lets look at this another way .........what could make a eng backfire??? frist is crossed plug wiring //then timing///then a valve open as the plug fires..........im sure there is more but these are the most common.....SO doing a compression check will tell you if the water bent a rod or valve then you could pull a valve cover to check that when the timing mark is on top dead center, that both valves on #1 cyl are closed/////this will tell you your cam timing is ok thats about all i can come up with ////pete

 

If it has never been replaced.

I'm going to suggest that maybe the timing chain skipped a tooth or two if it misfired while wet.

 

I did a few more things yesterday. I checked my compression and all cyl. were in the 120 psi to 140 psi range except for #6. It was 90 psi. I squirted some oil in there and brought it up to 105 psi. I found TDC, put all the plugs back in and tried to start it. It still backfired. I'm confused.

I'm wondering if I should pull the carb and intake off and dry them off that way.

 

Mark did you bring number one up on top dead center and then check where your rotor is in relation to #1 plug wire????? do ti this way pull #1 plug///thenhave someone tap the starter(so that the eng turns a little at a time) while you hold your thumb or a taper dow rod over the plug hole ///when it blows your thumb off it is at tdc then see if the timing marks agree ......as dale said it could have jumped time// OR THE MARK ON THE DAMPER COULD BE OFF???? you could try to time it useing the above procedure when #1 is at tdc move dist till the #1plug wire is in align with the rotor and try to start it luck pete

 

I saw your original post a while back and didn't say anything because I kinda figured you had it narrowed to a spark problem.. But here is my diagnosis.

You blew a head gasket into the water port and pressure burst your radiator hose thus blowing coolant everywhere. Thats why you have low cylinder pressure in one cylinder.

When you fix the gasket, do both sides.. just good practice.

Sounds like this is your prob. I had the exact same thing happen to me, but the hose didn't ectually explode. It just got really bloated.

Bob

 

Bob, I thought when I added oil and the pressure came it up it pointed to bad rings.?.?

As far as for timing, my timing was pretty close to where it was pre-hose-explosion. I use a screw driver to find TDC. Now I guess I could be on the exhaust stroke but that would mean the distributor got knocked 180* from where it was during the backfire. I don't have anyone else to help me do this because my wife is in school and my kids are too small.

To clarify, this never did backfire while running. After the hose blew, I got the car started and backed it up for the flat bed truck driver. After I got home, I started it up again and pulled in to my parking spot. It has only backfired while trying to start it since then.

 

mark im going back to my frist post #8 (if that car was running after the hose blew and then you did what ever you did and it now back fires) re check your work and you will find your problem IF you would check timing as i stated (let the compresion tell you where tdc is)and if your wiring isit the right rotarion (check that with dist cap off to the side and crank over ) that should cure it luck again pete

 

It has to be something I'm doing. I need to get a neighbor kid or something to put his thumb on the hole. My daughter might do it, she's nine. I've heard of using a cork too and waiting for it to pop.

 

i saw a guy one time that had a rubber hose clamped to an old hollowed out spark plug body. he could hold his thumb over the hose while he bumped the motor with the key. :TU:
(i'm kinda leaning toward the bad head gasket theory)

 

The rubber hose, I could do. I just broke a plug during this fiasco. I'll try it.