Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

98 6.5 no start

Old Jan 6, 2014 | 03:16 PM
  #1  
Bellamy4's Avatar
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Default 98 6.5 no start

Can't get my my 98 6.5 started It has the block heater and a magnetic oil pan heater on it and two brand new batteries! It barely wants to crank! I ordered new glow plugs but am not at home today so any help in the right direction would be nice for when I get home!

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I should also post its -30 degrees Celsius up here in canada
 

Last edited by Bellamy4; Jan 6, 2014 at 03:16 PM. Reason: Automerged Doublepost
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Old Jan 7, 2014 | 11:22 AM
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Corroded battery cables and maybe bad starter?
 
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Old Jan 7, 2014 | 11:32 AM
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I'm thinking its the new batteries actually cause I put them in my 05 Cummins and it barely turned over too gunna take them back and try the new ones
 
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Old Jan 11, 2014 | 01:11 PM
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Always have batteries load tested when you pick them up. I've had way to many new, bad batteries in the last several years.

Testing for voltage doesn't do any good. I've had batteries that tested good for voltage before and after a non-start

A load tester is a cheap diagnostic tool to have around. It can pay for itself in reduced trips to the parts store.

I bought a couple of good quality load testers on Ebay for in the $30 range

I've heard that Harbor Freight also has a decent Load tester - cheap

---AutoMerged DoublePost---

Always have batteries load tested when you pick them up. I've had way to many new, bad batteries in the last several years.

Testing for voltage doesn't do any good. I've had batteries that tested good for voltage before and after a non-start

A load tester is a cheap diagnostic tool to have around. It can pay for itself in reduced trips to the parts store.

I bought a couple of good quality load testers on Ebay for in the $30 range

I've heard that Harbor Freight also has a decent Load tester - cheap
 

Last edited by jrsavoie; Jan 11, 2014 at 01:11 PM. Reason: Automerged Doublepost
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Old Jan 11, 2014 | 03:48 PM
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I have a HF digital load tester less than $30 works great And if you have 1 bad battery replace them in sets
 
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Old Jan 11, 2014 | 05:01 PM
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You want to disconnect the battery cables and load test them separately about 20 minutes after charging. Sometimes they test good immediately after charging and test bad after about 20 - 30 minutes
 
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Old Jan 14, 2014 | 02:06 PM
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Cheap diognosis to see if theyre bad, pop caps off and put an alka-seltzer in each one and see if it cranks after that. Causes a chemical reaction with the permeable layers and keeps battery strong for a while if starting to go bad.
 
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Old Jan 14, 2014 | 05:12 PM
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PRODUCTS

has a battery cable set for the 6.5's. I'm sure there are others as well
 
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