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6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum

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Old 06-22-2019, 07:34 AM   #1 (permalink)
K2500 Burb
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Starter or batteries (or both)

I have a 96 K2500 suburban I've been through 3 starters in approximately 2 months. Unfortunately, the starters are remans from Advanced Auto and the batteries are Optima yellow tops. The problem I'm having is when I turn the key to start it just clicks like the starter isn't getting enough amps to turn the engine, and the batteries are fully charged I believe. This last starter I just installed on Monday and it just gave me problems yesterday, Friday.

Does anyone have any suggestions on what route to go...batteries or starter? Or even cables? I have inspected the cables and they seem fine.

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Old 06-22-2019, 09:07 AM   #2 (permalink)
alpacalips
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One simple thing that really helped the cranking power on my truck was ditching the tiny battery bolts on the factory cables, cutting off the extra rubber around the ring terminals and replacing each bolt with a longer stainless steel hardware store bolt/nut/fender washer combo. Thread the bolt in by hand, then tighten the connection using the nut, while holding the bolt stationary with an extra wrench, so the bolt doesn't punch through your battery.

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Old 06-22-2019, 09:14 AM   #3 (permalink)
alpacalips
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If the batteries are questionable, I'd get them tested for sure though.
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2007 Silverado 2500HD, 6.0, 6L90, 4x4
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Old 06-22-2019, 09:21 AM   #4 (permalink)
crankme69
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Yup what he said above similar experiences here with them side post connections.

Them factory cables were only marginally adequate 25 years ago so...
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Old 06-22-2019, 01:46 PM   #5 (permalink)
K2500 Burb
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Quote:
Originally Posted by alpacalips View Post
One simple thing that really helped the cranking power on my truck was ditching the tiny battery bolts on the factory cables, cutting off the extra rubber around the ring terminals and replacing each bolt with a longer stainless steel hardware store bolt/nut/fender washer combo. Thread the bolt in by hand, then tighten the connection using the nut, while holding the bolt stationary with an extra wrench, so the bolt doesn't punch through your battery.
Did the bolt and nut thing 2yrs ago. I even bought a hydraulic crimper and put new copper rings on. Being an electrician, I know having good connections is key and good grounds.

Well, I'm trying to get a ride to NAPA to try and get one of their lifetime warranty starters, true free replacement as long as you own the vehicle. Not like Advanced limited lifetime is only 3 replacements in a lifetime after that SOL.
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Old 06-22-2019, 01:50 PM   #6 (permalink)
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Quote:
Originally Posted by K2500 Burb View Post
Did the bolt and nut thing 2yrs ago. I even bought a hydraulic crimper and put new copper rings on. Being an electrician, I know having good connections is key and good grounds.

Well, I'm trying to get a ride to NAPA to try and get one of their lifetime warranty starters, true free replacement as long as you own the vehicle. Not like Advanced limited lifetime is only 3 replacements in a lifetime after that SOL.
Now would be a great time to do the 2/0 battery cable upgrade.
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Old 06-22-2019, 09:40 PM   #7 (permalink)
K2500 Burb
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Quote:
Originally Posted by OkDually View Post

Now would be a great time to do the 2/0 battery cable upgrade.
[IMG class=inlineimg]/forum/images/smilies/thumb.gif[/IMG]
I've started. I've got the alternator to passenger side battery, passenger battery to engine ground and 2 4ga cables to driver's side battery.
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Old 06-23-2019, 11:01 PM   #8 (permalink)
bk95td
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Low voltage and amperage from bad cables can take out a good starter pretty fast. I don't think the Advance starters are good. Lots of problems with them , reported on this forum. I don't think NAPA starters are a lot better. I haven't heard any bad about Powermaster starters. Nothing but good. They are around $300.
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92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
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97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans
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Old 06-24-2019, 12:19 AM   #9 (permalink)
tnDan
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My OEM Delco Remy starter lasted 17 yrs with oem cables.
Installed a new Bosch starter (& new bolts) and replaced the x-over and starter feed cable with some #4 fine strand welding cable I had laying around. Two regular acid Deka batteries and it cranked over really good. Its been 2 yrs and still going, had planned to completely upgrade cables but was working well so didn't, sold truck to BIL and still purring away. Truck also received new manifolds and glow plugs around the same time.
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Old 06-24-2019, 01:33 PM   #10 (permalink)
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Advance has a good starter... but you have to ask for it.

Get the carquest new starter... about 300... but worth it.

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