So I have a '93 HDJ80 in Costa Rica. I was on a long journey over last 3 days way down in the Southern Pacific area (Zancudo, Pavones, etc.) Ran a bunch of back roads and trails. All unpaved and many with a rocky surface that jiggles the car endlessly. After I got back to pavement I noted a new noise that was tied to engine RPM and go louder with load/boost. It sounded like a classic exhaust leak so I just ran the 2+ hours back to my house.
Now looking under rig I see no leaks in exhaust system but after backtracking all the way to the exhaust manifold I now see that it looks like it is leaking at a joint in the exhaust manifold. I can't see the manifold very well due to the turbo but I'm thinking this is definitely the leak even though I can't detect it at idle with my fingers near it just trying to feel for exhaust escaping.
So I was wondering if the forum had experience (searches didn't get me much) on the 1HDT exhaust manifold leaking and how to fix? It looks like there is joint but I can't imagine why it would be separate pieces?
And I may have to drive the truck several hundred km before I can get this fixed. I don't think a bit of leaking exhaust is too big of a deal but this is before the turbo and maybe will get worse quickly due to high pressure?
Any thoughts from the braintrust. Thank you!
And one glamor shot from the trip just for fun.
Now looking under rig I see no leaks in exhaust system but after backtracking all the way to the exhaust manifold I now see that it looks like it is leaking at a joint in the exhaust manifold. I can't see the manifold very well due to the turbo but I'm thinking this is definitely the leak even though I can't detect it at idle with my fingers near it just trying to feel for exhaust escaping.
So I was wondering if the forum had experience (searches didn't get me much) on the 1HDT exhaust manifold leaking and how to fix? It looks like there is joint but I can't imagine why it would be separate pieces?
And I may have to drive the truck several hundred km before I can get this fixed. I don't think a bit of leaking exhaust is too big of a deal but this is before the turbo and maybe will get worse quickly due to high pressure?
Any thoughts from the braintrust. Thank you!
And one glamor shot from the trip just for fun.