2000 audi a4 2.8 was hit in the front change the bumper ,radiator
Dont start,i change the starter,it cranks but dont start,I check the compression and one side of engine 1,2,3 pistons doesnt have no compression the other side 4,5,6 have copression ,what I did put the spark plugs back only on the 4,5,6 pistons ,right side,and left other side with no plugs the car turn on ,but when I put the spark plugs of 1,2,3 back it dont fire,I open the coverd off to see if the back chain was off it look good to me.I need some help please
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emove wheels and tires.
Remove front part of fender liners.
Remove 3 10mm nuts holding either end of the bumper onto the
fenders, which can be seen when you pull the inner fender liners away.
Remove air grilles around foglamps.
Remove bumper bolts just inside and above the grille openings.
Remove bumper cover.
Remove T45(maybe T50?) Torx bolts holding bumper shocks on.
Remove T30 bolts holding the front fenders onto the radiator support.
Pull front lock carrier forward to allow access to front end of the engine.
YOu now have good access to the serpentine belt tensioner.
Compress tensioner, which will allow you to place a drill bit or
similar locking tool into the tesnoner rod to keep it compressed.
I dont think you should do this type of job unless you are a tech, major engine damage can occur if any adjustment of the gears are off, i will send you a few diagrams of what needs to be done to do a timing belt on one of these, i have done many and i still triple check everything to avoid damage to motor, the front bumper asm, needs to be removed, the radiator and ac condensor removed the ac system drained out and much more.if you would like to tackle this a will help you just let me know, hope this helps good days
If it over heated, could have bad head gasket's, fill radiator with water, crank engine with radiator cap off, if water is push out of radiator while cranking, bad head gaskets', also remove spark plug's, crank engine if any water, bad head gasket, also when spark plug's removed, check for any water on them.If there is any water on plug's, bad head gasket, also could try doing a cylinder compression test, if bad compression, head gasket, no compression, wont start that way.
Yes you do have to remove the bumper and ,Air-con rad(do not disconect!!)move to offside carefully still attached and Power steering cooling pipe(do not disconect) move to nearside.Lots to undo but easy enough if car raised on axle stands or ramp.
Check with www.shokan.com or www.force5.com - both are Audi salvage yards that can supply everything you need. Also go to www.audiforums.com and look through the classifieds - lots of people are selling parts there, and they're probably less money than the yards are.
THIS IS A BIG PAIN IN THE ****!!!!!!! i would definately reccommend getting the repair manual from any pepboys or autozone because there are several things that you have to do to get to the starter. This is to include taking the front bumper off moving the radiator and the front headlights forward, then taking out the alternator. All of which have little room to work in.