Saturday July 2, 2016 Guerneville CA.
Taking the van engine apart
Today my job was to see if I could get the head off the van engine to see what’s causing my loud clack and the crank to stop turning when I bring the fourth cylinder from the engine front to top dead center. I suspect a broken valve is jamming the piston.
To get the head off, I need to take some other stuff off first.
TBI off first
The TBI unit is leaking gas
When I got the connectors off, I could see the injector pod on the right was leaking gas pretty bad which it isn’t supposed to do. It was brown with old gas so I suspect I’ll have to replace the pod. The intake manifold was also wet with gas from this.
Oh oh, here’s a problem
I was taking the fuel lines off that connect to the pods when I noticed the whole pod was moving which it should not. And worse than that, I noted there was a hold down screw missing on the right side. There should be a screw in there like the one at the bottom.
Where’s the missing screw
There’s supposed to be three screws that hold the pods in. One is missing and two are loose about a sixteenth of an inch. Do you know what that means? Not good.
That means the screw has gone down into the engine and is likely causing this problem.
Didn’t need to take off the manifolds
While messing with all that, I noticed something else. My pulley on the engine damper was broken loose and would also have to come off so I had to remove the radiator and all the fan stuff to get it off with a puller.
Pulling the damper pulley
I’m glad I discovered the broken damper pulley now as it’s used to time the engine and I would have discovered it when I put the engine back together and it wouldn’t time.
Ready for tomorrow
The TBI unit seems to have caused this problem
Here’s the TBI unit again with the missing screw bolt on the right side. The fact that all three bolts where loose with one of them missing sorta indicates whoever put this unit together forgot to tighten the screws down.
This unit came from Howell Engine Developments Inc. . They built this unit for a TBI kit I purchased from them, so I will contact them about it and see about getting a new pod for the unit from them.
I think one of these screws is inside the engine
So here’s what I’m hoping. That when I pull the head off, I find the screw in the fourth cylinder and it hasn’t messed things up too bad and I can put things back together and get going once I get a new TBI pod and new damper pulley.
It’s hard to say how bad that screw may have messed things up until I get it apart which I plan on doing tomorrow.
I worked on the van on and off throughout the day and did a lot of just puttering around in the yard too as I’m in no hurry as I can’t do much to get this going until after the holidays anyway.
That was my day.