2008 Chevrolet Express - Page 5 - Answered Questions & Fixed issues


You didn't specify which engine you have. So I listed available engines here - 4.3L and the 4.8,5.3,6.0L Gas motors have a minimum spec of 6psi at 1000rpm and 18psi at 2000rpm, and the 6.6L diesel has a 7psi idle and 28psi at 1800rpm. That being said - 20 psi is good. 20-40 is usually a good number at idle - it will move up the engine speed.

Chevrolet... | Answered on Jan 04, 2015 | 48 views


sounds like cylinders are full of diesel you need to pull injectors to relieve pressure on cylinder.. it causes it to lock the engine up .. you might have left the key on with a leaking injector and filled the cylinder with diesel and then it would lock you engine.

Chevrolet... | Answered on Jun 26, 2014 | 129 views


probably needs a new switch then

Chevrolet... | Answered on May 02, 2014 | 16 views


Check all fuses again. Make sure your wire isnt touching anything it shouldnt. Remove negative battery cable. wait a few minutes. reattach cable, restart & go from there

Chevrolet... | Answered on Apr 19, 2014 | 60 views


sounds like a faulty column switch

Chevrolet... | Answered on Mar 01, 2014 | 104 views


Given that you have replaced the entire cranking system except the battery cables... I would put money on what Christopher said. You can do a voltage drop test to prove it if you have a DVOM. When it gets that cold it requires a lot of extra amperage to turn the starter. if you have a bad cable (corrosion inside the insulation is not un common) it can't pass the necessary amperage. Either cable of both can cause this problem. If you're in on of those places where it is all of a sudden like the North pole but doesn't normaly get that cold you may have had this problem all the while but didn't know it.

Chevrolet... | Answered on Jan 26, 2014 | 55 views


After the problem is fixed, you would need to clear the code with a code reader or scanner to turn the light off.

Chevrolet... | Answered on Jan 21, 2014 | 46 views


Should have ordered it with power steering.

Chevrolet... | Answered on Jan 16, 2014 | 50 views


That is the starter solenoid closing the contacts in the starter, but unfortunately to no further action. Most likely your battery is dying, and cannot supply the heavy cranking current needed. Such a battery might still operate the lights tho.

If the battery is newish, then it may not be getting charged properly, so you could get the alternator tested.

Another possibility is that the starter solenoid main contacts are worn and not touching any more, even though they click in.

Chevrolet... | Answered on Dec 24, 2013 | 57 views


Look at the insides of the wheels from under the car and look for a wet wheel. Check around the rear of the brake master cylinder for signs of leakage. Sometimes the fluid will leak from the brake master cylinder into the brake vacuum booster. You would need to remove the master and check for fluid in the booster.

Chevrolet... | Answered on Dec 20, 2013 | 76 views


have a load test done on the battery to check for failed cell. Clean the battery posts and terminals to shiny clean and ensure that they are tight. Check fusible link near the battery

Chevrolet... | Answered on Dec 14, 2013 | 33 views


change the relay, its stuck in the contact positon

Chevrolet... | Answered on Dec 11, 2013 | 173 views


It is normal. Some cars sound an alarm when the key is pulled out from the switch and the lights are still on. Good luck

Chevrolet... | Answered on Nov 11, 2013 | 47 views


Are you wanting to reset the error codes??? If so, go to one of the Auto Parts stores that can "lend" you an OBD scanner. Easy to hook up and in most cases, the guys there will help you. With the OBD scanner attached, it will allow you to RESET codes... Other than that, there is no RESET for the computer.
You can unhook the battery for 24 hours but...then you have to set your clock, radio stations, etc... Easier to stop by AutoZone.

Chevrolet... | Answered on Nov 09, 2013 | 129 views


Do the brake lights work? If so, try turning ignition to on, no dash lights, and not to start and shifting to neutral then try to start it. If this allows it to start in neutral. Then it is the Transmission brake safety switch. If the brake lights don't work it's the brake light switch.

Chevrolet... | Answered on Nov 09, 2013 | 117 views


there is a light module under the dash that works all that stuff they tend to get moisture in them and short out, its located above the gas pedal about waste high while seated

Chevrolet... | Answered on Oct 22, 2013 | 187 views


run the fault codes and look for a TCM problem. Have a pressure test done on the gear box to test for clutch and band adjustments.

Chevrolet... | Answered on Sep 14, 2013 | 52 views


Dealer only i think you will find

Chevrolet... | Answered on Sep 08, 2013 | 28 views


sounds like it might be a bad switch

I’m happy to assist further over the phone at https://www.6ya.com/expert/robert_54ae41aaaffbab00

Chevrolet... | Answered on Aug 23, 2013 | 21 views

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