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Old 05-19-2019, 08:14 PM   #26
hatzie
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Re: P0446 mil

I forgot to mention the filler neck. Sounds like it wasn't a big deal anyway.

My experience with this kind of sensor from aftermarket was similar... It was a BWD MAP sensor and it was Broke When Delivered.
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1969 Dodge Polara 500 B383, A833 SOLD
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1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
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Old 05-19-2019, 08:47 PM   #27
shifty
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Re: P0446 mil

Quote:
Originally Posted by hatzie View Post
It was a BWD MAP sensor and it was Broke When Delivered.


Yeah, this says it's "Delco" but I'm suspicious. I see it's made in Singapore, but then again, I reckon all the lookalike parts like this are.

Having one come on the pump saved me another trip to the store - and $40.

Called the local shop I send my wife's Toyota SUV to for labor. Cheapest and highest quality shop I've found. They wanted $475 for parts and labor. After I return the tools and faulty eBay sensor I bought on a whim, I'll be around $465 out of pocket and still have the Tech2.

Win-win.
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Old 05-19-2019, 08:58 PM   #28
hatzie
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Re: P0446 mil

AC Delco ain't GM anymore. They get stuff made by the same Schlubs in the third world that make parts for the rest of the aftermarket. Unfortunately so does GM. so... Rock and a Hard Place.

I ordered seals from GM in an attempt to get decently manufactured parts. The bags said Made in China so I refused them. I bought SKF seals made in Poland and Taiwan instead... They don't leak and I'm not sorry I did it.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 05-20-2019 at 08:20 AM.
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Old 05-20-2019, 07:46 AM   #29
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Re: P0446 mil

Feels like no brands are what they used to be these days! Everything made in China. Maybe the tariff hike will help with that. Gonna hurt for a little bit, but could be worth it in the end.

Little late to ask this after the fact, but is there a decent tool for popping off the quick disco fuel lines going to the fuel pump without cutting off the nipples?

I'm very familiar with the proper way to use the quick disco tools after completely redoing the fuel lines during LS1 retrofit into my '68 stepside. I tried the cheapo plastic ones I picked up for that. I also tried the scissor style they have at advanced auto. What ultimately worked after knifing the nipples off are the alloy rainbow colored "OEM" brand from auto zone.

Plastic ones couldn't get completely around nipple in the right size - only one size smaller, and the thickness of the wall wasn't enough to pop all four tension tabs above the lip.

Metal 4-size scissor style, couldn't even fit in there because the metal for the shared larger size one interfered with the plastic housing of the pump.

The colorful allow ones were too thick on the handle part and thus couldn't maneuver into position with both semi-circle parts.

Hopefully I won't be doing another fuel pump in this truck for 100k+ more miles but still ...
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Last edited by shifty; 05-20-2019 at 07:52 AM.
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Old 05-20-2019, 08:19 AM   #30
hatzie
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Re: P0446 mil

I have the Lisle 39900 set and a no-name set from Orion.
Probably the colorful angled plastic disconnects in the Lisle set would do the job.
They're both better than a poke in the eye with a sharp stick but not a lot in tight quarters.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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Old 05-20-2019, 10:17 AM   #31
95 S_Trucker
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Re: P0446 mil

The otc 6509 is what I use. It’s recessed a little bit and works great on those gm pumps that have limited access.
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