just bought a "06 GMC Sierra 4x4 extended cab 1500 SLE, are there any problems Ineed to know about?

55

Asked by Aug 14, 2009 at 11:34 PM about the 2006 GMC Sierra 1500 SLE1 Extended Cab 4WD 6.5 ft. SB

Question type: Maintenance & Repair

my new to me truck runs great, bit hard on fuel but hey its a 4x4 truck with a 5.3 liter V8. Does anyone know if a 5.3L is similar to the old school 327 CI chev.

8 Answers

25

I have a crew cab 06, just under 40k and both front wheel bearings have been replaced. Also some weird electrical issues here and there.

2 of 2 people found this helpful.

I have an 2007 gmc extended cab 4x4 with a 2" lift and 33" tires,and a magnaflow system very good truck about 45 thousand km in it and got a superchips programe for it.The trtuck has lots of jam and better fuel milage.

35

same cubic inch but different design shouldnt be haed on fuel i get over 600kms to a tank on mine

35

lwer steering shaft may make a small clunking noise ull feel it in the steering wheel going over bumps gm has an updated version if u still have warranty it maybe covered besides that i havent had any other major problems-had mine since new

2 of 2 people found this helpful.
55

You know, I have felt something rattling through the steering, I do have bumper to bumper warranty, so I should have that checked, thanks for the input everyone.

55

As far as I know, my truck is factory, but it will sure get up and dangle when you punch it on the highway, the intake howls like a cop car in hot persuit. I suppose my mileage isn't that bad after all, I think I'm getting around 24 MPG on highway, with tailgate up. Have you had ur truck dynoed with the new chip to see how much more HP you get?

20

I have an 06 GMC Sierra SLE, extended cab z71 4X4, with the 5.3. I have had the front bearings replaced twice under warranty, once at 22000, and once at 68000. Also, there is a service bulletin out on the body mounts. You may notice a hard "clunking" or "popping" noise when making turns at slow speeds. The dealer is aware of this and is charging to fix, even though it's a known issue. I got some help from another poster on the po449 fault code on this truck, evap/canister. The actual part number for this truck is the same as the part number for the 06 sububrban. The difference is they look a little different, but have the same part number stamped on them, nothing else. Suburban part, 28.00. Truck part, 153.00. Same installation, Same result, to clear the evap/canister fault code. Opt for the suburban part obviously. After you install the part, if you ask nicely at advance auto, they will clear the fault code for uyou at no charge. Great group of people! Other than that, no other issues.

2 of 2 people found this helpful.

I believe the 5.3 took the place of the old chevy 350 engine.

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