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Water leak rear of head, small Hose or Alloy part?

Tech Talk for Ford, Mazda, Daihatsu & Makes that currently dont have a home.

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Posts: 38
Joined: Wed Mar 10, 2010 7:15 am
Location: Geelong, Vic, Australia

Water leak rear of head, small Hose or Alloy part?

Post by hannivers »

Picked up an 89 Feroza with water leak at rear of head, took Alloy part off which seems to distribute water into or from head & heater pipes, whilst being corroded it still looked ok, then completely replaced hoses & clips from under front RH side manifold front through to this Alloy part , then discovered that only a short bit of hose is required at rear of head, ok fixed that, replaced coolant and 2 hours later started leaking under pressure in same region very close to distributor, Shitz of a job but did it all, possibly this is a common area of concern, maybe I can extend hoses and couple up away from Dizi, it's such an awkward area to work unless you have midget hands, guys I need some advice re properly fixing this problem. regards from Randell
Posts: 120
Joined: Tue Aug 11, 2009 11:53 pm
Location: Launceston, TAS

Post by wacky »

So have you found where its actually leaking? The coolant temperature sensor(s) are in that area, maybe one of yours has had-it or leaking where they screw in?
Posts: 38
Joined: Wed Mar 10, 2010 7:15 am
Location: Geelong, Vic, Australia

Water leak rear of head, small Hose or Alloy part?

Post by hannivers »

Many thanks for reply, what you say is definately possible, I will crawl underneath vehicle and hopefully see exactly where the coolant is escaping, maybe I need to take the alloy water director bit off and pressure test it on bench by blanking off with rubber plate. Truely appreciate your reply, this is a great forum, best regards from Randell.
Posts: 120
Joined: Tue Aug 11, 2009 11:53 pm
Location: Launceston, TAS

Post by wacky »

Are you running water or coolant? Coolant can help when leak hunting, it shines up nicely when lit with a torch etc (probably moreso if you have access to a UV Torch/lamp) and when it dries it leaves a green residue that you can follow back to the source of the leak.

When I have a leak that I can't find or in an unaccessable spot I poke the digital camera under there and take a heap of shots at different angles, then go through them til I find it or at least clues (the dried coolant residue or rusty water stains etc).
Posts: 38
Joined: Wed Mar 10, 2010 7:15 am
Location: Geelong, Vic, Australia

Water leak rear of head, small Hose or Alloy part?

Post by hannivers »

Now there's some great ideas, really makes a lot of sense, many thanks for reply, best regards from Ran
Have 2 Ferozas, keen vehicle modder, do most repairs myself, 62years young, got the Feroza Bug....
Posts: 327
Joined: Wed Apr 05, 2006 7:44 am
Location: Greece

Post by ferozamaniac »

Or a more fun way is to go and play on big mud holes and you will see the dry mud and the wet mud on you engine bay after couple of minutes :D
www.ferozaclub.gr
[url=http://www.ferozaclub.gr][img]http://i51.photobucket.com/albums/f387/heroicentaur/forum/sign.gif[/img][/url]
Posts: 2297
Joined: Mon Mar 06, 2006 1:23 pm
Location: Melbourne-Australia

Post by MightyMouse »

Now thats a diagnostic tool i like..... fun and practical - even if it costs a fortune to clean up afterwards.
( usual disclaimers )

It seemed like a much better idea when I started it than it does now.
Posts: 38
Joined: Wed Mar 10, 2010 7:15 am
Location: Geelong, Vic, Australia

Water leak rear of head, small Hose or Alloy part?

Post by hannivers »

Sorry Guys' I should have posted a final outcome reply to this problem when fixed. Turned out to be poor mating of gasket surface, the small hose was ok but still replaced so was all hose & hose clips under inlet manifold on Right hand side of engine block, still noticed water drip, when vehicle is driven air movement pushes coolant drips along a bit so one just thinks that the small hose piece must still be leaking, everything is a bit difficult to see under the distributor, not much room to work, I call this alloy part a water header when when bolted up should distribute coolant, very important that surface attaching to head should be a level clean surface, mine had tiny pieces of a previous worn out gasket remaining which caused continual leakage, only a few drops but dam annoying, next time I have coolant leak at rear of head I will first remove and re-surface this alloy part. Many thanks for great support, your help has been much appreciated.
Have 2 Ferozas, keen vehicle modder, do most repairs myself, 62years young, got the Feroza Bug....
Posts: 490
Joined: Wed Mar 10, 2010 10:36 am
Location: Endeavour Hills, VIC

Post by tehekho »

Clean said surfaces up with a green (3M) scourer. These things are indespensible! And don't be afraid of slapping some of the apropriate sealant on both sides of gaskets when installing them! Helps them stay in place while you line the mating part up too@
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