Whats up guys my names andrew, I did a timing belt job on my a4, well timing belt, new radiator, water pump, thermostat, serp belt, ect... and when i put everything back together last night, i have a no start issue, today i figured out that im getting no spark, not sure what to do now or where to look... i am pretty sure i didnt touch anything igniton related, are there any particular wires or sensors on the front of the car i could have missed to cause a no spark? im so confused... its a 96 2.8
2001 Laser Red A4 1.8TQM, APR 93, 710N, electronic oil pressure gauge, B6 Sport 17's, OEM Sport Shocks, H&R Sport Springs, My 5-Speed Swap Need to borrow a Cam Chain Tensioner Tool? Just pay shipping ($4 total). PM me. "If i had a manual for my commuting, i would literally...LITERALLY...kill myself in the face. Kill myself dead... right in the face." -toaster
at this point feel free to ask all the dumb questions you want as long as it hasn't been asked yet haha, but no battery is def plugged in, also its holding a charge of 10v when cranking so i know my battery is good, and my icm is def plugged in as well, im also getting voltage to my coils, all fuses are good, no related codes, SO CONFUSED AND STUCK :( please someone lol its been down for almost a month
Dammit, I'm rackin' my brain with visualizations trying to figure out what may of happen.
Perhaps the timing is off....
Everything could have the correct voltage....
but if the timing is off.....
Dammit, I'm rackin' my brain with visualizations trying to figure out what may of happen.
Perhaps the timing is off....
Everything could have the correct voltage....
but if the timing is off.....
i also checked vacuum with a vacuum gauge while turning the motor over, it is also to spec which is a small amount of vacuum, cant make vacuum w/o compression.
im getting no spark, for some god forsaken reason D:
i also checked vacuum with a vacuum gauge while turning the motor over, it is also to spec which is a small amount of vacuum, cant make vacuum w/o compression.
im getting no spark, for some god forsaken reason D:
Oops, I forgot you stated no spark what so ever. I have a spare 2.8 engine from a 1996 A4 laying in my garage. I will check it out tomorrow to see if I can see anything obvious.
I also was under the impression that Audi's are very good about throwing codes when timing is off, not sure though, correct me if im wrong, also that they are zero clearance motors so if i did manage to f up my timing during the timing belt job, my valves would have been bent days ago.
thanks man i appreciate it!!! the guys on vortex aren't so knowledgeable with drive-ability issues (with the exception of a hand full of people, which most are on here), so i didn't get much help from them haha, my cars been sitting for 3 weeks.
how are you determining no spark? you could pull all the coilpacks and put a spark plug in it....ground it then remove the fuel pump relay and unplug the injectors. crank the engine and see if the sparkplugs spark...when the all work, check fuel pump fuses and relays
how are you determining no spark? you could pull all the coilpacks and put a spark plug in it....ground it then remove the fuel pump relay and unplug the injectors. crank the engine and see if the sparkplugs spark...when the all work, check fuel pump fuses and relays
wait wait, so taking just taking a coil out putting a spark plug on it and ground it out alone wont cause spark? because that's what i was doing to determine spark, basically hooking a spark plug up out of the cylinder (with all 6 plugs still in) and cranking it when it was grounded.
Oops, I forgot you stated no spark what so ever. I have a spare 2.8 engine from a 1996 A4 laying in my garage. I will check it out tomorrow to see if I can see anything obvious.
I checked the spare engine I have sitting on the floor, but couldnt find anything that would cause this issue.
wait wait, so taking just taking a coil out putting a spark plug on it and ground it out alone wont cause spark? because that's what i was doing to determine spark, basically hooking a spark plug up out of the cylinder (with all 6 plugs still in) and cranking it when it was grounded.
it will, the rest was so youre not shooting fuel into the cyl for nothing.
Are you getting fuel? As in can you hear the pump priming when you release the key? If not, then it's possible by sheer coincidence your crank sensor died when you did your timing belt job. Dead crank sensor won't allow spark or fuel.
If you're 100% sure you're not getting a spark, try spraying some gas into the intake, and getting someone to crank the motor. If it tries to run on the sprayed fuel, then at least you've narrowed down where to look. A can of bug spray would also work for this test. I'm not too keen on easy start, though I guess a little won't do any harm.
2001 Audi S8 Quattro 4,2 V8 40V (AVP) - Daily.
1996 Audi A4 Quattro 4,2 V8 32V (AHC) - S8-Powered DTM Race Car Build In Progress.
2008 BMW 120d (N47) 5-Door M-Sport
On the Ignition coil there are 4 bolts that secure it in. The Front passenger side one should have a little ground type wire. Is that connected? Could that cause a no spark issue?
On the Ignition coil there are 4 bolts that secure it in. The Front passenger side one should have a little ground type wire. Is that connected? Could that cause a no spark issue?
i dont see one, but i also never have... are you sure this is true for the 96? ill take a picture
small green connector on the bottom isn't connected to anything, would that cause a no spark? couldn't find another end and don't ever remember disconnecting it, so I don't believe this is the issue.
WHOA there cowboy. The belt timing is *way* off in that picture.
2001 Laser Red A4 1.8TQM, APR 93, 710N, electronic oil pressure gauge, B6 Sport 17's, OEM Sport Shocks, H&R Sport Springs, My 5-Speed Swap Need to borrow a Cam Chain Tensioner Tool? Just pay shipping ($4 total). PM me. "If i had a manual for my commuting, i would literally...LITERALLY...kill myself in the face. Kill myself dead... right in the face." -toaster
I figured he cranked the engine numerous times, how can you guys tell?
Is it because the cam gears arent aligned right?
They never mis-align at all during rotation?
Correct. The cam sprockets have the exact same diameter and tooth count. The belt length is constant. Therefore, the cam gears will always rotate together, at the same speed. This is the entire purpose of the timing belt: to keep everything rotating together in perfect time.
2001 Laser Red A4 1.8TQM, APR 93, 710N, electronic oil pressure gauge, B6 Sport 17's, OEM Sport Shocks, H&R Sport Springs, My 5-Speed Swap Need to borrow a Cam Chain Tensioner Tool? Just pay shipping ($4 total). PM me. "If i had a manual for my commuting, i would literally...LITERALLY...kill myself in the face. Kill myself dead... right in the face." -toaster
Dammit, sometimes I can feel really stupid.
Quattromang337, it may be too late, but I have the timing tool you can borrow, and I am located just north of you. Also, if needed, I have a spare 1996 2.8 engine for sale.
Dammit, sometimes I can feel really stupid.
Quattromang337, it may be too late, but I have the timing tool you can borrow, and I am located just north of you. Also, if needed, I have a spare 1996 2.8 engine for sale.
how in the fuck could i have messed up the timing? i know for an absolute fact that they didn't move, does it happen when you turn it over? fuccckkk I have done this job 3 times! well this is my first time on the 2.8... also wouldn't i hear my valves hitting my piston? especially considering i have my air box disconnected so i can hear inside the engine alot better.
Both times I've done my TB I accidently turned the cam gear too much as I was trying to fit the belt. As I gave the wrench a little too much force it moved the cam gear about 70* left or right, dependent obviously on which way I was turning it. It seems like you may have had the same thing happen, but instead of correcting it you just put the belt on anyway?
That picture looks extremely similar to what happened to me. It looks like it was moved too far to the left, so I would take the belt off and reposition that cam to the right about 70* so that the big holes are both towards the center. Find something long and flat enough to almost work as a cam lock bar, but instead use it to line up the big holes.
Who knows, maybe once you realign it it'll start back up?
Even though this is a 30v it should look like this
A successful t-belt job does not rely on the cams "not moving". That's just asking for problems. Sidenote: I personally find all those emergency mid-tbelt-job threads absolutely hysterical (OMG, the cam gear *moved*! HALP!! What do I do?!)
If you are attempting to do these audi V6 t-belts without the cam lock bar (which I've done many times), you must (must, must) *MARK THE BELT* to the sprockets before removal, transfer said marks to the new belt with accuracy, and simply install the new belt as the old one was. The cams can move all they want while you aren't looking, and there is still no way to mess it up. Additionally, you should also make a second set of reference marks, which mark the sprockets to the head/engine block. This is just to double check that everything ends up in the same position, relative to the engine, when you are all done. If you look at ianwpb's photo above, it is apparent that all of these steps were taken. Very nicely done.
2001 Laser Red A4 1.8TQM, APR 93, 710N, electronic oil pressure gauge, B6 Sport 17's, OEM Sport Shocks, H&R Sport Springs, My 5-Speed Swap Need to borrow a Cam Chain Tensioner Tool? Just pay shipping ($4 total). PM me. "If i had a manual for my commuting, i would literally...LITERALLY...kill myself in the face. Kill myself dead... right in the face." -toaster
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Originally Posted by prizmatik
small green connector on the bottom isn't connected to anything, would that cause a no spark? couldn't find another end and don't ever remember disconnecting it, so I don't believe this is the issue.
also wouldn't i hear my valves hitting my piston? especially considering i have my air box disconnected so i can hear inside the engine alot better.
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