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Conference terri::cars_uk

Title:Cars in the UK
Notice:Please read new conference charter 1.70
Moderator:COMICS::SHELLEYELD
Created:Sun Mar 06 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2584
Total number of notes:63384

1370.0. "Head Gasket Trouble???" by MACNAS::BMULQUEEN () Tue Feb 26 1991 11:00

    Moderator, please move if an appropriate topic already exists.
    
    Anyway, to the point. I was driving my '65 Austin A40 farina last
    Sunday. The engine was running beautifully all day over a 60 mile
    stretch when all of a sudden.....Whoosh bang!!!!!! I opened the bonnet
    and saw steam rising from under the rocker cover. I'd only topped up
    the radiator the previous day and everything seemed in order.
    
    The oil seemed to be free of moisture and the engine started again
    after a couple of hours. The pressure blew one of the frost plugs.
    
    Have I got a blown head gasket on my hands or will a new frost plug get
    me on the road for a short while?
    
    Billy  
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1370.1Not enough A/Freeze ?KERNEL::SHELLEYRTue Feb 26 1991 11:126
    I've had a couple of cars with a blown head gasket problem. 
    
    A sure sign is if you get clouds of white vapour out of the exhaust and
    a lack of heat in the car. Also white "froth" on the dip stick.
    
    - Roy 
1370.2Maybe not so bad.....HOO78C::DUINHOVENGOT ANOTHER JOB TOOTue Feb 26 1991 12:565
    Years ago I had a similar problem, whith my MK 1 Cortina.
    This was caused by a rusty frost seal in the engine creating a leak.
    They can be replaced....
    
    Hans
1370.3CRATE::RUTTERRut The NutTue Feb 26 1991 14:246
�    This was caused by a rusty frost seal in the engine creating a leak.
    				^^^^^^^^^^
    
    'Scuse me, what's a 'frost seal' ?
    
    J.R.
1370.4See note 1362HOO78C::DUINHOVENGOT ANOTHER JOB TOOTue Feb 26 1991 15:273
    Re .-1: Please read stories in note 1362 Morris Minor.
    
    Hans
1370.5SHIPS::ALFORD_JIce a specialityTue Feb 26 1991 15:556
It's not advisable to run an engine with a blown headgasket...

Oil in your water is annoying...

Water in your oil can be fatal - to your engine !
1370.6Think this is rightLARVAE::HUTCHINGS_PNice Computers Don't Go DownTue Feb 26 1991 17:0712
    re: .3
    
    A core plug
    
    A round (aluminium???) piece of metal pushed into a hole in the
    block/head designed to "blow" in the event of the waterways in the block 
    freezing up..in theory should stop the block/head cracking.....
    
    unless the panel proves me wrong
    
    Paul
         
1370.7I hadn't heard the other term beforeCRATE::RUTTERRut The NutTue Feb 26 1991 17:167
    Re.		What's a frost seal ?
    
�    A core plug
    
    Ah, now I know what you mean.
    
    J.R.
1370.8CORE PLUGSHUGS::AND_KISSESNashua girls are more fun...Tue Feb 26 1991 17:444
I thought the main reason for having core plugs was to fill in the holes
left by the casting/machining process?

Any benefit they give in preventing frost damage is secondary...
1370.9:-)VOGON::MITCHELLEBeware of the green meanieWed Feb 27 1991 10:036
    
    
>>Any benefit they give in preventing frost damage is secondary...
    
    ...and should not be relyed upon. Antifreeze is available for
    preventing the water system from solidifying....     
1370.11CRATE::RUTTERRut The NutWed Feb 27 1991 11:2215
    Re .9 and .9
    
    I had never considered that these items were ever intended to 'help'
    in the case of frozen waterways.  That is why I did not recognise
    the term 'frost seal'.
    
    It just so happens that if the coolant freezes and expands enough,
    then these core plugs tend to be pushed out.  So, instead of running
    with liquid cooling, the engine becomes [inefficiently] air-cooled.
    
    Is this why I saw so may cars stuck on the hard shoulder in the recent
    spell of very heavy frosts ?  If not, how else does the cold affect engines
    (that have already started, reaching the motorway before breaking down) ?
    
    J.R.
1370.12one suggestionVOGON::MITCHELLEBeware of the green meanieWed Feb 27 1991 12:473
    
    If the 'peripherals' are frozen, then the engine may start, but as the
    water 'melts', it may leak out of split hoses.....
1370.13Ice - IceHOO78C::DUINHOVENGOT ANOTHER JOB TOOWed Feb 27 1991 14:3413
    Other reasons why cars stop during a cold period:
    
    Driving too fast: fast driven cars may suffer of the "chill factor"
    effect especially on the radiator part. If you drive a car, when frost
    is -15 C, Chill factor may result into a frozen radiator.
    
    Ice particals in the fuel system.  Frozen carbs. Don't know, what may
    happen with injection cars.  My BX TGI had no trouble in the recent
    frost of -17 C, but starting took a bit longer.
    Frozen air vent of the fuel tank, may result into an imploded tank.
    
    Hans
    
1370.14As I was Saying.........MACNAS::BMULQUEENMon Mar 04 1991 10:2411
    'scuse folks, but what happened to my base note. 1370.0 seems to have
    vanished and the rest of the replies have strayed from my original
    query.
    
    
    My core plug popped out while the engine was HOT not cold which
    confused me. Also the steam rising from under the rocker cover looked
    fairly ominous. Now can anyone tell me the cause????????
    
    
    Billy
1370.15Teach you to ask us to do something :-)UKCSSE::RDAVIESI can't tryp for notsMon Mar 04 1991 12:554
    You asked a mod to move it! (wasn't me) anyway, it's all back in
    sequence now.....
    
    Richard
1370.16LAOIS::DOODYMon Apr 15 1991 18:0910
BILLY,

  I only saw your note today...

  Sounds like a stuck thermostat to me!!!!!!

Cheers,

   Brian.

1370.17V6 head gasket troubleEEMELI::JMANNINENTue Apr 23 1991 14:349
    Hello, folks!
    
    I know I have trouble with a head gasket, yes. Only problem is that the
    engine is a V6. Has anybody any idea how to find out which head has the
    leaking gasket?? It would be nice to open the right one. I know that if
    open one, the problem is with just the other one; mr. Murphy is always
    there...
    
    - Jyri -
1370.18CHEFS::CLEMENTSDSo much to do...so little timeTue Apr 23 1991 14:361
    How about testing the compression for each pot?
1370.19NCEIS1::CHEVAUXPatrick Chevaux, Nice, 828-6995Wed Apr 24 1991 17:173
    .17�                          -< V6 head gasket trouble >-
    
    Change both ! 
1370.20Heads dead.REPAIR::ATKINSFri Jun 05 1992 15:578
    
    	My head gasket is on the way out on my Astra.Will I notice any
    performance difference,until I get it done?(next thursday)
    
    	Just a minor quiery!
    
     Andy.....Mines a V nothing.
    
1370.21KERNEL::SHELLEYRI only _work_ in outer spaceMon Jun 08 1992 13:118
    On the occasions when the head gasket has gone on my previous cars
    (Renaults), there were clouds of steam from the exhaust and the the
    engine temperature went up.
    
    If the engine overheats the head will warp which leads to a costly 
    repair.
    
    Roy
1370.22Dinnertime!REPAIR::ATKINSTue Jun 09 1992 08:518
    
    	The cost of the repair will be shouldered by A.C.Barnes as the car
    is under warranty.
    
    	Good eh!
    
    	Andy....
    
1370.23PLAYER::BROWNLIt won&#039;t rain for long...Tue Jun 09 1992 13:115
    RE: -1
    
    Not if you are proven to have been negligent...
    
    Laurie.
1370.24Swindle??REPAIR::ATKINSWed Jun 10 1992 12:278
    
    	Me negligent!
    
    	Never!!!!!!
    
    
    	Andy...6500 rmp,per change.
    
1370.25PLAYER::BROWNLIt won&#039;t rain for long...Wed Jun 10 1992 12:546
    RE: -1
    
    You would be if you continued to drive the car when you *knew* the head
    gasket was U/S!
    
    Laurie.
1370.26MMMmmmmmmmmm!!!!REPAIR::ATKINSWed Jun 10 1992 14:1412
    
    RE-1
    	
    	Would that apply if the garage know about the problem,and i'm
    booked in at the nearest available time i.e next thursday.?
    
    	Just curious!
    
    	Andy...The head gasket hasn't gone yet but there is a small amount
    of fresh oil around the head.