Rover 75 2001 model losing water but can't any evidence?
Answers:
Rover are pretty terrible for this type of fault. But I'd say you may have a subtle water leak in your water pump. At that stage it may yet fix itself, but you may want to get it checked. Your water pump will be located towards the front of the engine, attached to either the fan belt or cam belt/timing chain. Best way to tell if its only a cup a day, put some block seal in it. This will fix a small leak like this unless it's in the water pump which is a constantly moving part. If it fixes it all well and good, if not you need a new water pump.
Check your oil with the motor running, if it looks like hot chocolate it is leaking into the crank case. This can be caused by a cracked block or head or a bad head gasket.
Your radiator cap is probably not pressurizing. Get a new cap, should only be a few quid, and see if that makes a difference.
If it's not this check for water in your oil next time you change it.
I hope the cap does it for you.
Unfortunately, when an intake or head gasket blows you will not always see fluid coming from the outside. Not all leaks are truly visable either. Sometimes it will leak with a very small stream out of a number of various places and possibly build up on some little area building a small puddle in a crevis or something. Have a porffesional look at it because they'll know exactly where and what to look for and have tests they can perform.
you can check it running or standing if it looks like a milk shake from mcdonalds then the water is in the crank case and yes it could be one of those things i theik it is just a bad gasket cousting about 200$ to change. good luck
if you are sure there are no leaks ,look for stains at hose conections..radiator might have pin hole, or the extreme that you have a cracked head/or head gasket..what dose the exhast look like does it have a sweet smell if it does you have internal leak..that is all i can tell you with out a eye ball
Ja ja. I've seen this before. without ruling out other possibilities, The first place I would check is the small orifice at the bottom of the water pump bearing. A small leak from the worn bearing will evaporate before it drips out and leave only a dry trace of coolant.
i bet you didn't replace all hoses on your motor.believe my there are a few.and you have water in your oil only happens if your car run without water.this will be then your head gasket.but i dint think that.water nor start showing when the engine temp is a 90,because that make pressure,and then if will show.show let your car run for a wail in one place the look if you see where it is licking.if it your radiator you can trow stuff in that will seal it.
Possible that you have a head gasket failure - not a cheap job unfortunately. Somes clues are steam from exhaust pipe, emulsified oil in the engine and loss of coolant. Best to check it out early as it may do serious damage to cylinder head or block if left too late.
I had problem with water loss couldn't find it , but eventually did after very carefull examination of Hoses , found that after squeezing the hose found that it had slight crack in it and only lost water when the car was being Driven - didn,t leak when stationary that's why I couldn,t find the leak , - look all round the Hose , at the back of Hose and all round etc, - really look very carefully as you squeeze Hose --- Good Luck
I would say that as the is no evidence of leakage, then the leak will be internal.
it could be, in order of probability,
1. The water pump, or water pump gasket.
2. Heater matrix, more than likely hidden under the dashboard, bolted to the bulkhead.
3. The head gasket. or gaskets even, as you have two cylinder heads.
4. Expansion vessel cap pressure releif valve faulty.
Before you go to an expensive garage, double, triple, check that it isn't leaking externally by.
Taking it for a good run, getting it nice and hot, and then stopping, open the bonnet, and look for leaks.
Coolant will be white and crusty deposits, with hints of the colour of the coolant, check all around the engine bay, around the cylinder heads, where the two coolant pipes go into the bulkhead for the heater, a mayonaisse type brown goo under the oil filler cap, (check with engine switched off).
Look for drips on the floor after leaving it running for 20 minutes, and wisps of steam from hard to see places. Make sure the engine is nice and hot first, that way any leak will vapourise when it sprays, or drips onto the hot metal of the engine.
A garage would not look for this tye of stuff, they'll just wait for you to bring it back, tell you it's something else broken, charge you again, ad infinitum, until they fluke it.
Unfortunetly, the waterpump failing isn't easy to home diagnose, and changing it is a tricky one as the cambelt will be coming off. That's if the cambelt drives it, i'm not sure as ive never seen under the bonnet of a v6 75.
One more check, With the engine warm, hold a piece of white rag over the end of the exhaust pipe, and then look at and smell the rag to determine if it's burning it or sucking it in.
For more info get a haynes manual, they're invaluble, worth the 16 quid easy, most of the niggly faults are easy to fix and described. www.haynes.co.uk i think.
Good luck.
Let me know what, if anything, you find, any more help, email me at corni6580@yahoo.co.uk.
it is probably a head gasket-the best way to check for this is to pressurize your system with a hand pump made to fit where your radiator cap goes and check for any visable leaks - if you have no leaks it is your head gasket-somtimes you can pull out the spark plugs and with a very bright light look at the top of the pistons-if you see one that is shiny with no carbon the coolant is wahing it away - also if you go to a general motors dealership you can by a forescent dye - just a small bottle - put this in your radiator and drive around for a wihile and when it gets dark check for leaks or your exhaust pipe with a black light -one more thing ,find another mechanic
have you tried rad seal
definite head gasket gone, all rovers suffer from it except the ones with honda engines
Have the radiator cap checked to see what pressure it "blows off" at. The caps do go faulty and if you get a new one test it first. 3 out of 10 on dealers shelf's were faulty, not the dealers fault, just Rover's poor quality control.
The head gasket. or gaskets even, as you have two cylinder heads
The water pump, or water pump gasket.Heater matrix, more than likely hidden under the dashboard, bolted to the bulkhead.Expansion vessel cap pressure releif valve faulty.
Run it hot and look underneath if you can find no leaks or drips , No .do you get excessive white smoke in the morning then you most likley have a head gasket internal leak . Go to a garage and ask for a rad pressure test , or carbon in water test that will tell you for sure
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