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My K10 has an expansion tank off the radiator, where I get bubbles. If I left radiator cap off, filled radiator 1-2 inches below top, radiator would just overflow. I'm sure I'd see bubbles there on normal idle. I just did test, radiator full, expansion tank at correct half level. Warmed...

During last 4 months I've regularly checked the radiator hoses get hot, showing thermostat is opening, so I didn't really think that could be the problem. Since latest symptom, when the hose under the carburettor blew, the cooling system has become unstable, with coolant now rapidly pushed...

During last 4 months I've regularly checked the radiator hoses get hot, showing thermostat is opening, so I didn't really think that could be the problem. Since latest symptom, when the hose under the carburettor blew, the cooling system has become unstable, with coolant now rapidly pushed...

What shouldn't cost more than £10 -the exhaust gas in rad water test ?? -new thermostat & reverse flush ?? Doesn't everything point to a blown headgasket & exhaust pressurising coolant ?? Could a faulty thermostat cause problems I'm having ?? Ps: Why does the board keep merging 2...

What are the signs of a blown headgasket ?? -Mayo on oil cap -Bubbles in expansion tank -Loss of coolant -Blown cooling hoses -Loss of coolant in radiator, but high level of coolant in expansion tank -Coolant blown out of expansion tank overflow I'm pretty certain my headgasket is...

Do you mean the joining piece for a vaccuum hose just to right of top of the arrow in 1st picture ?? I only noticed later that a vacuum hose had come out of there. Pushed vacuum hose back in, engine ran ok, pulled it out, engine cut out, so it seems ok if I push in hose tight, although I...

Does anyone know if the hose shown in the 1st post is definitely a water hose rather than air/mixture ?? There is a good picture of the Inlet Manifold with this hose in the Haynes Manual section 1.21, Fig 20.27B. The reason I ask is the clips used on it are these very strong spring clips...

Does anyone know how you undo the clips on the marked hose ?? (see clip to right of arrow) They seem to be push & lock clips of some sort, not the normal jubilee clips with screws I am used to. They don't look like clips that hold pressured hoses. I looked at them, but could not see how...

I cannot find anything in my Haynes Micra K10 manual that says the carburettor or manifold are definitely heated, or that coolant circulates through manifold/carb base. Can anyone confirm ?? I'm trying to work out whether only the hose is leaking or the inlet manifold gasket. (The only...

I have a 1988 Micra K10 1.0 GSX Automatic. I have water coming out of the hose which connects base of carburettor to back of inlet manifold !! What is this hose, as I cannot understand how water is leaking from it ?? Is it a water hose or air/air-fuel mixture hose ?? I cannot see how...

When you're at the home page here: http://www.micra.org.uk/ How do you get to the forums here: http://www.micra.org.uk/forums.php I cannot see an obvious button at top/left to get to the Forum index.

Strange thing is I bought a Radiator Fan Switch (50301) cheap off ebay thinking I might need it. I tested this switch in hot water, it -Switches ON at 93 degC (short-circuit) -Switches OFF at 83 degC (open-circuit) That's certainly some temperature difference for a fan to cool in 10-20...

Funny thing, that is what I have done. I have wired a switch & multimeter into the car in parallel with the radiator fan switch. I wasn't sure my fan was coming on, so I wired a switch in parallel with the radiator switch into the car, together with a multimeter, so I could manually switch...

I have a 1988 Micra K10 1.0 GSX Automatic. My radiator fan only comes on rarely for 10-20 sec. periods. I checked it when it had warmed up & stationary, the fan occasionally came on for 10, 15, 20 sec. bursts. I wouldn't have thought these very short periods were enough to cool the system...