Hi Everyone :).. I have an Audi A4 2004 and its been diagnosed with a head gasket leak.. Now unfortunately, the car won't start. Any ideas why that would be?

Asked by Apr 26, 2014 at 02:03 PM about the 2004 Audi A4 1.8T

Question type: Maintenance & Repair

I had just bought this "head gasket sealant" and was planning to try that first before
completely repairing the problem.

2 Answers

58,885

If the engine won't crank most likely one or more of the cylinders has coolant in it. This hydrostaticly locks the engine since the coolant can't be compressed. You'll need to remove the spark plugs then crank the engine to get the coolant out of there. The only stuff I've seen work for head gaskets is a product called Blue Devil. BUT you must follow the instructions on the bottle EXACTLY! Other products will clog up the cooling system and create other issues such as no heat, overheating, etc. HTH. - Jim

1 out of 1 people think this is helpful.
8,265

do your self a favor don't even bother with that head gasket sealant. the audi's engine runs to hot for it to be any real use. What you need to do is have the head torn down and replace it with an either original or after market gasket. tho i recommend getting it from audi. When it comes to the cooling system in an audi it is very important you fix it properly or you risk not having an engine at all. thats the risk with high performance engines. if this were a gmc or ford i would say go ahead do what he said and seal it but its an audi and doing a half arsed fix only causes more issues and more money spent

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

  • my car wont start 190 answers

    sounds like it wants to start but doesnt

    2000 Audi A4 2.8 Quattro

    -

    Maintenance & Repair

  • Car starts and it shuts off/loses power 153 answers

    I have a 2003 Audi A4 Turbo.93K on it. When I start the car, the engine starts and as the RPM gauge goes up, it just goes right back down, the car shutss off, as if it can not stay on, sometimes its s...

    2003 Audi A4 1.8T Quattro

    -

    Maintenance & Repair

  • 1996 Audi A4 2.8 won't start 7 answers

    I'm in dire need for advise on why my 96 audi wont start after I changed the head gaskets. I'm getting fuel and spark but car will not fire. Im going to do a compression test again today ti verif...

    1996 Audi A4 2.8

    -

    Maintenance & Repair

  • 2003 Audi A4 1.8t won't start!! 9 answers

    Did a trade for a 2003 Audi A4 1.8 t on Sunday. 30 minutes after getting the car, check engine light came on. Took it to 2 different auto parts store for the free hook up to check code. Neither could ...

    2003 Audi A4 1.8T

    -

    Maintenance & Repair

Search Audi A4 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Audi A4 Experts

#1 Deathjam4
Deathjam4
Reputation 2,900
#2 FordNut
FordNut
Reputation 770
#3 lukeyramone
lukeyramone
Reputation 480
View All

Related Models For Sale

Used BMW 3 Series
1,533 Great Deals out of 39,676 listings starting at $1,495
Used Audi A6
144 Great Deals out of 7,551 listings starting at $2,495
Used Audi S4
57 Great Deals out of 904 listings starting at $3,450
Used Mercedes-Benz C-Class
827 Great Deals out of 31,306 listings starting at $2,200
Used Audi A3
64 Great Deals out of 6,444 listings starting at $3,400
Used BMW 5 Series
663 Great Deals out of 15,900 listings starting at $1,999
Used Honda Accord
1,082 Great Deals out of 76,813 listings starting at $1,395
Used Ford Mustang
582 Great Deals out of 41,214 listings starting at $1,699
Used Audi A8
41 Great Deals out of 1,814 listings starting at $3,967
Used Mercedes-Benz E-Class
523 Great Deals out of 21,651 listings starting at $1,450

Used Cars For Sale

2017 Audi A4 For Sale
4 Great Deals out of 5,588 listings starting at $32,631
2016 Audi A4 For Sale
13 Great Deals out of 267 listings starting at $24,997
2015 Audi A4 For Sale
25 Great Deals out of 397 listings starting at $19,000
2014 Audi A4 For Sale
70 Great Deals out of 1,100 listings starting at $14,888
2013 Audi A4 For Sale
61 Great Deals out of 838 listings starting at $13,900