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6631

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 22 January 2019, 19:32:43 »

So ,if you know which relays do the back rad fan , bypass one at a time and see if your fan spins up  ,assume you have now tried the fan directly connected to a battery or power probe  refitted fan 
video here clicky for cars with air con but your's won't be all that different ,just no front fan and 2 relays not 3

6632

General Car Chat / Re: So what have you done to your car today?

« on: 22 January 2019, 18:53:03 »

Zafira passed its MOT this morning

So that's another year of abandoning it in various places where I don't have to look at it.

Congratulations 
They do seem a well built and resilient second car
re, the back box , I agree , the original ones are great,like double skinned , the outer rusts away to dust BUT the guts last forever  ,hence not replaced it yet 

6633

General Discussion Area / Re: Has STEMO had a busy day?

« on: 22 January 2019, 16:20:46 »

Just to add: The unemployment rate nationally is 4.3%, in Liverpool it is 4.8%. Lazy bastards, eh? 

statistics are all well and good but don't take into account
1: how many people in Liverpool are too scared to leave their house and worldly goods to sign on for fear of being robbed .
2: people who make so much cash on the rob that they don't bother to sign on .
3: statistics tend to be from government figures , and get massaged   

6634

General Discussion Area / Re: Has STEMO had a busy day?

« on: 22 January 2019, 16:02:49 »

So for free money all we need to do is nick a JCB and go on a rampage! 

Just in Liverpool? or would this apply elsewhere?   

A JCB with a Montabert will allow you to withdraw money from most cash machines if you forget your pin code 
makes a mess though  and the rozzers turn up and try to steal all your hard earned cash 
 so don't hang about 

6635

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 22 January 2019, 14:00:46 »

look at this example motor and resistor clicky
just red and a brown wire power the motor BUT the plug (which is also speed resistor ) has 3 wires

6636

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 22 January 2019, 13:55:06 »

There are 4 wires and pins 0n the 04, heavier wires too,
 only 2 wires and 3 pins on the 08.

on the 08 ,where the loom plugs in (fan speed resister ).I think you'll find 2 wires to run to the actual fan motor(this is what you put 12v to to test fan ) BUT 3 wires on the plug/car loom 

6637

General Car Chat / Re: So what have you done to your car today?

« on: 22 January 2019, 11:09:05 »

Congrats on the pass 

6638

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 22 January 2019, 11:08:24 »

The coolant temperature sensor on the wet thermostat is to send temperature information to the engine ecu . the engine ecu decides IF the fan should be on and activates relays to power the plug at the bottom of the fan shroud ,
that plug is a fan speed resistor , depending on how hot then rad is ,the resistor pack will turn on the fan and control it's speed ,and send info back to the ecu to say what speed etc
you'd need to back probe that plug with power to the L+ and N- which is best done fan removed (because it's a pig to reach and it will probably bring the fan on ,which will eat any fingers etc anywhere near it , so be careful

re the relays , one failing will stop the fan working , as will any blown fuse in the circuit , it's not a back up relay system .

also in live data you could check fan control 1, 2 and 3 (active or inactive) radiator coolant temperature voltage and temp reading when warm etc

also also with the  codereader you can do output tests to check fan and blower motors

also also also  did you confirm that the car has NO aircon ? and never has
 I.E compressor,condenser,front rad fan not present 

6639

General Car Chat / Re: 06 Corsa 1.2 value and disposal

« on: 21 January 2019, 16:33:08 »

Wow 
well done 
maybe it's a regional thing , here that is retail money (forecourt with warranty)

6640

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 21 January 2019, 16:29:52 »

Unplugged coolant sensor, ran engine; EML came on, fan did not turn. Looks like failed fan motor, don't it?

Not necessarily, more likely to be a fuse or relay or failed speed resistor  .
more testing required 
 

6641

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 21 January 2019, 12:40:37 »

I suspected the fan may not be kicking in
London traffic +hot engine+no fan =oil light 
was the rad hot (wet stat open ) at 105 degrees 
coolant temp sensor is on the head

You were dead right about the fan not engaging. Haynes says the temperature sensor on the 1.6 is in the thermostat housing.

sorry,yes on the wet stat housing 
unplugging the coolant temp sensor should  put the fan on high (does on most vauxhalls  ) when the engine is running . which is a test to try (takes seconds to do ,will out EML on and throw a code but will reset when plugged back in )

so I presume the thermostat was working all right.

NEVER assume  always test 

so my thoughts are, now you have 10w40 semi and a clean filter ,oil will be fine (but please check pressure when your test kit arrives )
it's vital the electric fan works though , when hot ,and what you can check and sort while waiting for the oil pressure test kit .

fan is vital because if the cooling system is not working then when overheating in traffic,the oil light will come on ,followed by blown head gasket ,which ,is dashed inconvenient  and will be a faf to sort on a z16 xep (i know because i stripped  the head off one for a mate when he cooked it )

6642

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 20 January 2019, 20:29:56 »

Mrs Builders is a 1.6 LIFE and that has aircon 
if it had aircon and it's been badly removed ,that could screw up rad fan function 
does it have ac compressor on the serpentine belt ?

quick look and the oil switch is M10 x 1 mm (ebay listings spec,z16xep)

6643

General Car Chat / Re: Astra oil pressure warning light coming on

« on: 20 January 2019, 20:22:46 »

I suspected the fan may not be kicking in
London traffic +hot engine+no fan =oil light 
was the rad hot (wet stat open ) at 105 degrees 
coolant temp sensor is on the head

6644

Omega General Help / Re: Battery replacement

« on: 20 January 2019, 20:01:54 »

Um, my keyboard is dyslexic!

mine's electric too Ron 

S4 clicky BOSCH 008 £80
double that at eurocarparts with code 
If you think you'll keep the omega for 4 years (battery warranty) 

6645

Omega General Help / Re: Battery replacement

« on: 20 January 2019, 19:46:32 »

clicky
 £47.31 delivered
same battery is £91 in eurocarparts with code
use to be called 096 but now 100 IIRC
other than that, bosch s4 are good but ££££