Tick after pyro install
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Senior User
Joined: Dec 2004
Posts: 143
Likes: 0
From: Kenner, Louisiana
Tick after pyro install
Just installed my pyro and now I have a tick. I thought my tap job was pretty good. The coupler and pyro are tight. I even put some of that exaust putty around the whole thing. Anybody have this problem? Did I ruin my manifold and pyro?
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
If you think there is a chance it is not sealed properly, simply go find a 1/2" NPT to 1/4" (or 1/8, depending on what you need) and redrill and retap the hole. Make sure that the bung is tight inside the manifold, and that the pyrometer compression fitting is tight inside the bung.
It is very doubtful that anything is "ruined".
It is very doubtful that anything is "ruined".
Thread Starter
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Senior User
Joined: Dec 2004
Posts: 143
Likes: 0
From: Kenner, Louisiana
Yes, You cant hear it under the truck because the motor is so loud. Inside sounds like a timex. Tick tick tick. I'm going to put a 1/4 npt bolt or plug tonight and see if its my tap job or the pyro.
Elder User
Joined: Aug 2004
Posts: 932
Likes: 4
From: Edmond, OK
Originally Posted by sv250
Yes, You cant hear it under the truck because the motor is so loud. Inside sounds like a timex. Tick tick tick. I'm going to put a 1/4 npt bolt or plug tonight and see if its my tap job or the pyro.
The GM 6.5 TDs have an aluminum heater coolant pipe that if it touches the injector lines you will hear a loud tick or knock in the passenger compartment from the heater core.
Bob
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Senior User
Joined: Dec 2004
Posts: 143
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From: Kenner, Louisiana
I just pulled my manifold. Not that easy. Its ticking because of my crapy tap job. I really feel like an idiot. Its too close to the flange bolts. The manifold has some extra metal in the inside that will pull the tap to the side. I had to retap that hole with 1/2 by 20th to get a good tight fit on a bolt. Yes I had to go that big, I really butchered it the first time. The bolt fits good and tight and I'm going to have it welded tomorrow just to make sure. My new pyro hole also came out great, nice and tight. The tapping was a lot easier off the truck. At least thats what I will keep telling myself tomorrow while I'm fighting the manifold and up-pipe. Hopefully I'll get my truck done by Fri and I'll let you all know how I make out. SCMT came back today and I've got an ich.
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Cargo Master
Joined: Jun 2003
Posts: 2,203
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From: Carlsbad, California
Hi zoocrew5,
Welcome to the 6.0 forum and FTE. Please take a moment to review the Welcom sticky post at the top of the forum page. There are links to great threads and other info in there.
The pyrometer is used to measure the exhaust gas temperature.
Welcome to the 6.0 forum and FTE. Please take a moment to review the Welcom sticky post at the top of the forum page. There are links to great threads and other info in there.
The pyrometer is used to measure the exhaust gas temperature.
Logistics Pro
Joined: Dec 2004
Posts: 3,541
Likes: 5
From: Weatherford Texas.
In aviation world also known as EGT. I am looking into using an aviation EGT gauge in my truck the probe goes in much easier just drill an 1/8" hole then it is held in with a hose clamp. The gauges are also cheaper.
