I have had the old hose off but put it back on when I couldn't find one with the 2 bends in it. It is hard to get to. I put on new hose clamps but still leaks under pressure.

 

I can't see a picture?

 

I wanted to replace original photo, this is the same one but with captions.
Here is a photo. It is under the intake manifold.

Hose is black, in lower center of photo.

 

You know, Rogerthelogger, it would be a lot easier to help you if you told us the make, model, year, engine ... You know, stuff like that.

Perhaps you could tell us where your close-up photo is "looking at." Engine? Transmission? What side? Front, back, middle? Personally, I don't recognize any of that dirt. Maybe someone else could. Maybe not.

Help us help you.

 

Sorry, I thought I was on a 22r 86 to 95 toyota forum. OK it is an 86 toyota long bed 4x4 with a manual 5 spd transmission, carburated 22r engine. It has 292 thousand miles. I use it here on the ranch for firewood etc.
If you are looking from the front of the truck, crawl underneath on the left side of the engine, look up at the intake manifold, there is that coolant hose below the intake manifold. I can try to put a straight piece of hose in there, I just thought some of you experts on the 22r engine would know how to order one with the bends in it. I replaced the carb a few years ago with a Weber so a lot of that emissions stuff doesn't function, but it runs great here where the roads are made of dirt. Maybe this hose only goes to a temp. sensor? I could put captions in the photo to identify the parts that I recognize, like the intake manifold, if necessary. I replaced the head 12 years ago so I am familiar with the intake manifold. Truck came from California if that makes a difference.

 

Looks like the coolant bypass hose.

Hard pipe from timing cover, then one end of the hose on it. The other end of hose goes to the bottom of the intake manifold coolant union. All the auto parts stores stock the hose, and it's cheap to buy. Hose has a u-shape.

 

This one? https://parts.lakelandtoyota.com/p/_...626135030.html
I don't know anything about the 22r, but this is described as Hose, Water Bypass. Check out the drawing.

 

My hose is not U shaped and is more like 1" dia. rather than the .5" bypass hoses I am seeing online. My engine does have the hard pipe coming from the timing cover area, but it goes straight back alongside the block and joins with a 1/2" or so size hose that is longer and straight at first, and ends up turning up into a fitting further back under the intake manifold. That hose is not leaking but I should replace it too.
Thanks, I can replace my old hose with a straight hose and good clamps if nothing else.
Roger

 

That hose is part of the Air Injection (Air Suction) system for the exhaust and the hose connects the Air Switching Valve to the Reed Valve.

The Air Injection (Air Suction) system is typically blocked off when people do Weber carburetor conversions and might be already blocked off on your truck.

I am not sure what you mean by the hose leaking under pressure.

This hose, reference number 17342 in the diagram below, has been discontinued by Toyota and is no longer available. If you happen to have a functioning Air Injection (Air Suction) system, you will need to either find a straight hose and make it fit or find a similar sized hose with a bend from another application.



Part Diagram Source: https://parts.toyota.com/a/Toyota_19...1440-1706.html

 

Yes my truck came with the air injection system which is blocked off. The diagram leads me to think that hose is not supposed to have coolant in it. The coolant maybe is from an intake manifold heating system? That is leaking into the air injection system?
What I mean by under pressure is: When I have the radiator cap tight it looses coolant from the hose connections. When I leave the cap loose, cooling system can't build up any pressure and it does not loose coolant. Does not overheat that way but I wanted to make it right by changing the old hose.
Thanks for the info and the diagram.

 

this folder also covers 88-95.5 3.0 and 86-95.5 22RE's, not specific to just one engine.

Consider adding your vehicles info to your signature.