I just replaced the glow plugs on my 1992 7.3 IDI with Motorcraft brand.
The existing glow plugs were Bosch , only 3 out of 8 were good. None of them were swelled, came out super easy. Is Bosch a good brand for these engines? Starts 100 x better now with a good set installed.
I used the bottom...
I had some time today when it wasn't raining or snowing and pulled the first glowplug on the right side looking at the engine. It was a Bosch brand. Tested bad with a test light Not swollen. I noticed that after replacing just this one plug the wait to start light stayed on longer than it ever...
What is the purpose of the return line from the filter housing to the number 1 injector? A lot of people are plugging the filter housing and using a deadend cap at number 1.
I'm not understanding why it's there. It's another source of air intrusion with it in place.
I also wanted to ask about the bolts on the tensioner and idler. I think the tensioner assembly bolt is RH thread and the idler pulley is LH thread. Is that correct? The belt direction is LH on the tensioner pulley so it would be LH thread as well?
The belt tensioner on my 92 7.3 has the open spring design. It looks like a replacement. It bounces as the belt turns. Is this normal ? Tension on the belt is fine.
I am contemplating the use of a simple relay and switch to control the glow plugs. How long does a set of Motorcraft glow plugs last on the original controller? How much additional life would you see using the manual switch?
We are talking about a 92 7.3 IDI to be clear.
It's been so cold here I haven't tested the glow plugs yet. The wait to start light is not staying on but 3 seconds or so and then it clicks. My first stop will be the glow plugs.
The truck runs very strong once it's started. I feel like the injectors and pump are fine. I'm learning and this...
Fuel filter is new so I'm good there. One cap is leaking badly and I'm sure it is making it hard to start. Thst and bad glow plugs. Type4 has a kit in its way. New Motorcraft gps in hand.
After I install the return line kit what is the best way to get all the air out of the system? Crack each injector nut one at a time ? Uncertain about this. I've never done it.
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