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Old 10-09-2016, 11:33 PM   #26
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Default Re: Throttle Body Heater Leak

Haven't looked at mine yet, but can you use a file and true up the surfaces?
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Old 10-10-2016, 07:54 AM   #27
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Default Re: Throttle Body Heater Leak

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Haven't looked at mine yet, but can you use a file and true up the surfaces?
Truing the throttle body is the next thing I'll be doing. Using a file is certainly hit or miss because the tendency to lightly rock it. The better choice would be wet sanding on a piece of glass or comparable smooth surface in a figure eight pattern. The de-icer plate has a small rib cast in intended to help seal irregular surfaces but it is an abject failure.
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Old 10-10-2016, 11:04 AM   #28
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Default Re: Throttle Body Heater Leak

Look at [falconworks.net] they have a solid broke unit that fixes you leak permanently. a little pricey but worth it!
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Old 10-10-2016, 11:05 AM   #29
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Default Re: Throttle Body Heater Leak

Spelling error, bronze unit
sorry
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Old 10-10-2016, 07:14 PM   #30
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Default Re: Throttle Body Heater Leak

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Originally Posted by 04 Disco View Post
Look at [falconworks.net] they have a solid broke unit that fixes you leak permanently. a little pricey but worth it!
That's what I suggested.
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Old 10-10-2016, 08:26 PM   #31
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Default Re: Throttle Body Heater Leak

Bypass.
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Old 10-11-2016, 01:50 PM   #32
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Default Re: Throttle Body Heater Leak

Any 5.3L LS3 V8 from Chevy DOES NOT have a throttle body heater. You don't hear of their throttles sticking.

It "could" stick, but 99% of the time it's not going to. What is going to happen 100% of the time is the OEM throttle body heater plate is going to leak. Last thing you want is a coolant loss situation out on the trail so on my D2's they're bypassed! One less poorly designed OEM thing to worry about.
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Old 10-11-2016, 06:44 PM   #33
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Default Re: Throttle Body Heater Leak

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Originally Posted by best4x4 View Post
Any 5.3L LS3 V8 from Chevy DOES NOT have a throttle body heater. You don't hear of their throttles sticking.

It "could" stick, but 99% of the time it's not going to. What is going to happen 100% of the time is the OEM throttle body heater plate is going to leak. Last thing you want is a coolant loss situation out on the trail so on my D2's they're bypassed! One less poorly designed OEM thing to worry about.
Does the crankcase vent less than an inch from the throttle plate?
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Old 10-12-2016, 03:02 AM   #34
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Default Re: Throttle Body Heater Leak

The crank case vent on my 08 H3 Alpha was on the intake manifold about probably 4-5 inches from the throttle body. I'd take a pic, but I sold the H3 Alpha for an LR3.
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Old 10-12-2016, 09:56 AM   #35
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Default Re: Throttle Body Heater Leak

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Originally Posted by best4x4 View Post
The crank case vent on my 08 H3 Alpha was on the intake manifold about probably 4-5 inches from the throttle body. I'd take a pic, but I sold the H3 Alpha for an LR3.
If you truly thought this was a good idea, you would have done it by now and not spent all this time trying to justify it to us (yourself).
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Old 10-12-2016, 10:40 AM   #36
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Default Re: Throttle Body Heater Leak

I didn't make the H3 Alpha's 5.3L V8. Just pointing out it DOES NOT have a throttle body heater. A dirty throttle body can certainly stick.
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Old 10-12-2016, 04:02 PM   #37
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Default Re: Throttle Body Heater Leak

i stone both surfaces flat and seal it with a thin layer of RightStuff. never have a problem.
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Old 10-12-2016, 05:57 PM   #38
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Default Re: Throttle Body Heater Leak

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Originally Posted by best4x4 View Post
I'd take a pic, but I sold the H3 Alpha for an LR3.
Are you going to bypass the throttle body heater on the LR3?
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Old 10-12-2016, 07:11 PM   #39
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Default Re: Throttle Body Heater Leak

No as it isn't pissing coolant. I do plan on replacing the well known brittle plastic T with something more reliable.
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Old 10-14-2016, 08:25 PM   #40
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Default Re: Throttle Body Heater Leak

I'm doing my 04's tomorrow. Every year, at the first cold snap, my goes. I'm switching to making my own gaskets from Fel-Pro rubber cellulose blue gasket material. Maybe I can get two years. The idea of having a few mounted to the throttle body ready to go sounds great.
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Old 10-14-2016, 09:34 PM   #41
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Default Re: Throttle Body Heater Leak

Y'all are doing it wrong if it's leaking that often. In VT we get extreme temp changes, almost to 100, to negative 30. Mine didn't leak after I changed it.
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Old 10-14-2016, 11:10 PM   #42
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Default Re: Throttle Body Heater Leak

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... Mine didn't leak after I changed it.
Well neither did mine - until it did. Fact is they should NEVER leak...EVER. You shouldn't have ever have had to do yours to begin with. There's obviously a flaw in the design, maybe a square plate with three bolts I don't know. For most people the bypass works without flaw, obviously it can't leak and the "frozen throttle" conundrum is so rare we can't really pin it on the heater, not enough info. It could have been just plain old crud for all we know.
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Old 10-15-2016, 06:55 PM   #43
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Default Re: Throttle Body Heater Leak

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Well neither did mine - until it did. Fact is they should NEVER leak...EVER.
All gaskets leak eventually.
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Old 10-15-2016, 08:40 PM   #44
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Default Re: Throttle Body Heater Leak

I own a 1972 Alfa Romeo that I've had for 36 years. It's got FOUR throttles and in all the time I've owned it, over the course of 350,000+ miles it has never had a coolant leak of any sort. Oil? Okay, that's a different story
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Old 10-18-2016, 12:44 AM   #45
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Default Re: Throttle Body Heater Leak

Been by-passed on mine for about 5 years. If you are driving on the tri county Portland area please stay clear.
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Old 11-01-2016, 07:56 PM   #46
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Default Re: Throttle Body Heater Leak

I bought the kit from AB. My plate had an irregularity which helped allow more that enough coolant to come out.
My homemade gasket didn't work (I'm hoping because of the plate deformity). It does seem like a weak design.
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Old 11-02-2016, 08:55 AM   #47
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Default Re: Throttle Body Heater Leak

My homemade throttle body de-icer and gasket seem to have done the trick. The throttle body was flattened to ensure uniformity. That last trick may well be the answer to many suffering from this crap design.
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Old 01-12-2018, 02:40 PM   #48
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Default Re: Throttle Body Heater Leak

Anybody ever heard any feedback on the Falconworks bronze replacement throttle body heater plate?

http://www.jewellamberoil.com/sales/...roducts_id=303

Mine's leaking again and might just be worth it to pony up $230 for this stupid part.
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Old 01-12-2018, 03:58 PM   #49
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Default Re: Throttle Body Heater Leak

I once replaced mine with an aftermarket kit and it didn't last long.

The next time I replaced it with a genuine kit from the dealer. The gasket had steel imbedded in it and I was told it was an "updated kit". Perhaps this one will solve the problem.

I also took the time to actually remove the throttle body (had to buy an extra gasket) and clean everything up on the bench. Its tempting to just whack on a new gasket in place........
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Old 01-13-2018, 08:14 AM   #50
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Default Re: Throttle Body Heater Leak

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Anybody ever heard any feedback on the Falconworks bronze replacement throttle body heater plate?

http://www.jewellamberoil.com/sales/...roducts_id=303

Mine's leaking again and might just be worth it to pony up $230 for this stupid part.
I think it would be worth a shot. I can't remember what year, but I think some '04 Discos had a different gasket setup that looks like a thicker metal gasket. I've never seen one of those leak. I actually used to have one of those throttle bodies set aside but tossed it when I moved to NYC.

Quote:
Originally Posted by The Fourth Amigo View Post
I once replaced mine with an aftermarket kit and it didn't last long.

The next time I replaced it with a genuine kit from the dealer. The gasket had steel imbedded in it and I was told it was an "updated kit". Perhaps this one will solve the problem.

I also took the time to actually remove the throttle body (had to buy an extra gasket) and clean everything up on the bench. Its tempting to just whack on a new gasket in place........
I've seen plenty of Genuine ones fail after a year or two of use. I think they are better, but still not great.
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