20 Most Recent 2002 GMC Sierra 2500HD - Page 3 Questions & Answers

Here's a link Ricky.

Umm... I could be wrong but... the 2002 GMC 2500 has rear *disc brakes with an interior set of *drum brakes for the E brakes. check with your dealer because there was a recall on the E brake for some early 2000 GMC trucks. also there is a manuel adjuster for the parking brakes.

1.Check your fuel injectors, they may be over fuelling the combustion chambers they may need replacement.2.Check your oxygen air flow sensor.If problem persists, then you might consider an engine overhaul, sinceyour compression rings allow fuel to sip through to the oil sump.

Usually a faulty blend door under the dash. The blend doors direct air thru the heater core and the vents.

check the starter

most likely needs a cluster.You can have yours rebuilt at Auto truck electronics for about 199.00

check trans fluid and if full then you may need transmission rebuild.

That's to be expected and is completely normal.

Rear brake shoes as fitted to drum brakes can typically last up to 60k miles with periodic adjustments, but you have rear disc brakes and the shoes will typically last half of that.

Also, modern brake pads no longer contain asbestos and are now made using harder metallic compounds; the direct result is that brake discs (US=rotors) are also considered to be consumable items as they are worn down by the harder pads. It's not unusual to have to replace front discs every other pad change and rear ones with every pad change; in both cases the mileage will typically be around 30k miles on most models.

Check tyres balance,wheel bearings ,brake discs.

Most likely, it is a valve inside the transmission that is bad or clogged. Most people forget that transmissions also need maintenance and filter change from time to time depending on your vehicles mileage.

wires broke under fuel filter is the water in fuel sensor.need to replace water in fuel sensor install new fuel filter pump the primer located on top fuel filter 30 times until stiff then try to start truck.the water fuel sensor got damaged became loose leak out fuel in fuel filter causing hard start problems, diesel engine wont start if air in fuel system or air filter stopped up.

the alternator is slow to respond. try to rev engine a little after starting to see if it picks up sooner. most parts stores will test batteries and alternators for free.