I've managed to damage the threads of the oil dipstick bracket bolt on my 2005 z-71 Sierra - - it's a 15mm head, pointed tip bolt...it threads into the head just below the valve cover.....I've been trying to find what size it is so I can replace it, or the GM part number.....any ideas? Thanks!
My '05 Z-71 Sierra has developed a rhythmic "whish-whish" or squeak that seems to be wheel speed dependent. I can mainly hear it at slower speeds in quiet residential areas (15-25 mph). It seems to be coming from the front drivers side wheel, but hard to tell, could be from underneath the truck as well. U-joints seem solid, original units with 95,000 miles. Hub bearings seem solid (no play or growling noises), but sound does change when I turn wheels from left to right. I had the drivers side CV shaft replaced a few years ago, and I've noticed some oily residue on the CV shaft but the boots appear to be in good shape. Front pinion seal replaced a year ago by GM dealer. Brakes are good, sound does not change when applying the brakes. Any thoughts? My experience with hubs has been they growl or roar when bad, and CV joints click or pop when going bad, and U-joints wiggle when bad..... Thanks!
Going to replace my leaky high-pressure power steering hose on my '05 Z-71 4x4 truck with the 5.3....I can see that accessing the lower fitting that threads into the back of the power steering pump is going to be challenging. My arms and hands are thin/small, and I can see the nut from below the truck. Any tips/tricks to make this job a little easier? I would use car ramps, but wondering if jack stands would be better if turning the wheels one way or the other would help access. I know I will need a 16mm and 18mm flare wrench. Brand of hose recommendations? The NAPA parts store carries them locally, didn't know if they were better/worse than AC Delco or Gates, etc. Thank you!
Need to get my leaky oil pan gasket changed on my 2005 5.3 4x4 truck. My local GM dealer would use the GM gasket, while an independent shop down the street would use the Fel Pro gasket....price is roughly the same at either place, about $500. Not cheap but I'm starting to leave drips of oil in my driveway, and I'm not up for the task of doing it myself. At $500, not wanting to mess with this problem anytime soon again.....any advantage of one gasket over the other? Thanks for the advice,
Alignment completed....wow, truck seems to track much better than it did, even though it seemed OK prior. Just feels more solid and tight in the steering. All suspension components were OK. The tech at Les Schwab Tire Center said the camber was way off, as was the caster, and the RH toe. Now I know that the GM dealer didn't do squat, or his alignment rack was not calibrated, or who knows what...but all seems good now. Thanks all for the suggestions, here's the new printout.
My 2005 Z-71 4x4 Sierra has some significant inner tire wear on the front drivers side - - I had it aligned several months ago at the GMC dealer, who said everything checked out OK. Got the printout from the alignment and everything showed "within spec", toe, camber, and caster. Hmm.... strange. Truck is bone stock,tires are LT/LR C Goodyear Wrangler Silent Armors with about 50K miles, truck has 90K miles. Original owner, lubed/oil changes regularly since new. Before I take it to my local Les Schwab for the investigation, what could cause this? I suppose everything from ball joints to tie rods? Shocks are new as of a couple of years ago. Thanks for the advice!
Looking to replace my 265/70/17 Goodyear Silent Armor Load range C tires.....and am discovering that Load range C is nearly impossible to find. My local tire dealers stock P-Metric and Load range E tires only. I've loved the C rated tires, as I occasionally tow a 4500lb travel trailer and the ride quality has been smooth, combined with a much more stable towing experience. Been running 40-42 psi unloaded, and 50 psi when towing (max pressure for LR C). I'd get the Silent Armors again but they are discontinued. I've scoured the forums, but am still unsure if LR E tires would trash my half ton's unloaded ride quality. And if not, what pressure is OK/safe to run unloaded and when loaded/towing? I know my factory rims are not rated for 80psi, nor would I need to run the pressure that high when loaded. I guess I could go back to the P-metric version, I don't tow a lot (probably 8-10 weekends a year) and don't off road other than driving gravel roads to trailhead, etc. Thanks for the thoughts!
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