2002 audi a6 Quattro 3.0 wont start hear grinding sound

Asked by Laura Dec 07, 2016 at 08:36 PM about the 2002 Audi A6 3.0 quattro Sedan AWD

Question type: Maintenance & Repair

I have a 2002 audi a6 Quattro 3.0 engine
locked up i was in a flood I did try to start
the car twice in the water. ..after that i
flushed the oil new spark plugs and also put
a new starter on how ever it wants to start
but all we hear is grinding with it tring to
start so we tried to turn the engine by the
crank bolt but it wont turn like the whole
engine locked up.  Dose ny one know what
else i can do please

3 Answers

The grinding might be a damaged ring gear in the transmission but a locked up engine is bad news. I think the engine is toast. You could try squirting some penetrating oil in the cylinders to dissolve any rust in there and use a bigger wrench to turn the engine over but if you get it running it will probably smoke.

1 people found this helpful.
Best Answer Mark helpful
45,825

if you want to turn the enging over i would also remove all the spark plugs the compresion itself will make the engine almost impossible to manualy crank.

JUMPED TIMING THESES MOTORS ARE INTERFERENCE MOTORS WHICH MEANS THAT IF YOUR TIMING BELT GETS LOOSE AND JUMPS THE TIMING THE PISTON WILL HIT YOUR INTAKE AND EXHAUST VALVES WHICH WILL LOCK IT UP AND IF YOU FORCE IT YOU WILL PUT A HOLE INN PISTON BEND OR BREAK A VALVE.SO I WOULD PUT A A BREAKER BAR AND SOCKET ON CRANK BOLT TURN OVER BY HAND IF IT STOPS TURNING EASY YOU HAVE TO RE TIME IT WHICH YOU'LL NEED THE TIMING TOOL FOR AUDI IT WILL COST YOU 45 TO 90 DOLLARS AND A COUPLE DAYS TO GET .IF YOU DON T HAVE MUCH MONEY IN CAR FIND ANOTHER VEHICLE BECAUSE THIS CAR WILL START COSTING YOU A LOT OF MONEY

Your Answer:

A6

Looking for a Used A6 in your area?

CarGurus has 118 nationwide A6 listings starting at $3,950.

Postal Code:

CarGurus Experts

  • #1
    Deathjam4
    Reputation
    520
  • #2
    a6_er22s_2005
    Reputation
    340
  • #2
    Josh l
    Reputation
    340
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 5 Series
18 Great Deals out of 323 listings starting at $4,500
Used Audi A4
38 Great Deals out of 696 listings starting at $4,750
Used Audi A8
3 Great Deals out of 31 listings starting at $15,990
Used Audi S6
24 listings starting at $27,995
Used Mercedes-Benz E-Class
30 Great Deals out of 498 listings starting at $5,700
Used Audi S4
10 Great Deals out of 84 listings starting at $11,995
Used BMW 3 Series
71 Great Deals out of 1,168 listings starting at $1,795
Used Mercedes-Benz C-Class
98 Great Deals out of 1,450 listings starting at $3,799
Used Lexus IS
18 Great Deals out of 305 listings starting at $6,449

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.