danregs
Member
Registered: 29th Jun 01
Location: Exeter, Devon
User status: Offline
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hi guys,
my mates nova isnt starting..... he was drivin on a motorway and it overheated and since then it hasnt started....
i checked the LT/HT and i know the coil and everything is working as i'm getting sparks all round
i am getting compression ok cos i checked
havent checked the fuel pump yet to see if fuel is getting to the carb but there was a smell of fuel from the plug holes when i turned it over with no plugs in.......
i filled the coolant reservoir with water again and the water just leaks out from the bottom of the engine. its possibly leaking from around a sensor (not sure whether its oil/water temp?) dunno why leaking water would mean the engine wont start tho 
nothing is seized as far as i can see cos the engine is turning over fine on the starter
anyone know what could be wrong with it?
cheers,
dan
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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water pump could be gone
as for not starting it may be flooded
let it dry out and try starting it and clean the plugs
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geordie smurf
Banned
Registered: 4th Jan 04
User status: Offline
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temp sensor switch blue 1 just under madifold on a 1.2 8v mine started just changed that now starts all the time £21 from dealer
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danregs
Member
Registered: 29th Jun 01
Location: Exeter, Devon
User status: Offline
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cheers guys 
any1 else?
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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water pump is on the cam belt side at the back of the engine. The CTS is is about £7 from Autovaux.
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tainboy
Member
Registered: 13th Apr 04
User status: Offline
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What you got to worry about most is why it overheated on a motorway!!
Doing 70mph on the road puts a LOT of cold air into the engine bay - so something is boogered - possibly head gasket and worse still the head. What compression were you getting?
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danregs
Member
Registered: 29th Jun 01
Location: Exeter, Devon
User status: Offline
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wasnt a tech compression test. just put my finger over the plug hole and was def getting compression. for all i know tho it could be low
so it could be water pump, temp sensor or head gasket you reckon?........ 
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leafgreencorsa
Member
Registered: 5th Aug 02
Location: Somerset/Wilts Border
User status: Offline
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quote:
Originally posted by tainboy
What you got to worry about most is why it overheated on a motorway!!
Doing 70mph on the road puts a LOT of cold air into the engine bay - so something is boogered - possibly head gasket and worse still the head. What compression were you getting?
I should think loss of all or most of the coolant means it would have overheated at any speed!!
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Waterpump probably went, causing it to overheat, which could well have fried something. Looking for fueling is probably looking in the wrong direction as the overheating wouldn't have affected that. Do a proper compression test.
I take it this car doesn't have a temp gauge on the dash?
I dont think you should class that compression test as useful.
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