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Chevy Silverado Problems
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Comments
Reprogramming for the driveline growl has worked for some and not for others. It was my opinion that the 1st through 3rd gears are fairly close with the 4th or OD being a little too far apart from 1st-3rd causing an area where engine lugging is encountered. Like driving a manual transmission in 4th gear when it should be in third. The reprogram adjusts throttle sensitivity and causes a downshift earlier than the stock program. Not sure if this answers your question.
How long does it take for your truck to warm up?
If the temp outside is 28 degrees, I am up to 185 degrees after about 3 miles. After that the shift seems normal to me.
I just saw in a horse magazine that there is an upgrade for power by Banks (1800GetPower) or bankspower.com. It says they have a free test report available at the above number. Hope this helps.
What year/how is your 454 running? We have a 2000 and we're having some problems with it. (see 2000 chevy/GMC crew cab topic).
Chris
I'm new to the guestbook on vibratin chevy problems, at least here anyway. We bought our new 1999 Chevy ls ext cab 4x4 and when we drove it home we noticed the vibration and figured it was wheel balance. Next time down at the dealer we told them they balanced the tires and we drove home thinking "problem solved', but no, vibration still coming thru the chasis up into the cab. I told the service techs that I was concerned the tires were out of round and may need shaved. And possibly the bearing would suffer uneccessary wear. Now at 10,000 we just returned, had the oil changed, registers half qt low on stick, they say it took 6 qts and is fine. Charged me to inspect the brakes to tell me they are ok. I again mentioned the vibrations, they just shrug and suggest going to Firestone and talking to them. I read a lot of specific info about similar problems with shaking at 65-75, me too, and buy backs and bbb and lemon laws and yet has anyone identified the solution? as say stabilizer bars, and why can they acknowledge the problem and just fix it? Is this a dangerous problem? Also I read on the Fed web site about air bags not deploying on impact in cases of crashes, I need info if anyone can share?
Please email me at cfr48@yahoo.com I can't get a strait answer from my dealer? Preciate it Cheechnchong
Is this a 4 wheel drive or 2 wheel drive. There is no 335 engine. It's either a 5.3 or a 350. Do you do a lot of towing or hauling? When was the last time the trans was serviced?
In this case, it didn't matter whether it's 4 wd or 2wd. May be a case of neglect?
LOL
I have 24,000 on a '98 GMC ext.cab 1/2 ton.
I noticed a "thumping" in the brake peddle at 18,000. It occurred with wheel rpm.
My dealer, who is actually very accomadating, found noting wrong. 2 visits later, my front rotors are warped and the rear drums are out of round.
Of course, this is caused by heat. But, I dont hot rod it. I dont ride the brakes and I dont have any stop-n-go commute.
So, why???
I have a friend who owns his own shop. He has heard of these complaints. He has suggested three possible problems: 1) Wrong type shoes and pads, not allowing for quick heat dissapation; 2) Wrong steel alloy in rotors and drums; and the most likely 3) An ABS malfunction.
So, what I need is a response from all others who have experienced this problem. I will not let this slide. I refuse to turn and /or replace my rotors and drums every 18,000 because they screwed up. If need be, I am willing to take charge in filing a class action. Please email me, ( bartfart@pacbell.net), if you have had the same problems. Make it brief. And, if you want a response, give me a week or two. I only turn the computer on once a week.
I find it very hard to believe this is a temperature/pressure thing. It appears to be a full blown leak. Has anyone seen this or have ideas? I'm at 25k and am not satisfied with the answers they have provided so far.
Thanks
My question would be what color is the fluid? Red, brown, green, clear, yellow.... Is it oil or water? This would be a good start. I had a previous GM vehicle where one one of the aluminum power steering hoses gave similar problems on the driver's side.
goosecop1 -
Neutral to reverse clunk. I wish I had more comments but you could try the Maintenance discussion thread as well. Regarding the start out clank, folks in the Toy Tacoma discussion experience similar problems and have come to learn that when you start out and initial torque is transferred to the driveshaft, it is followed by a clunk or loud clank. Some have corrected this by installing harder suspension components in the rear end or seeking drive-shaft replacement via their warranty.
My advice would be to ask the Service Manager what else happens when you "get some mileage on it" since the Salesman didn't mention anything about clunks and clanks. In fact if I think back hard enough, I seem to remember something about "Like a Rock" and last time I checked rocks don't clunk and clank do they? If you find others with this same problem (and if you read the previous posts you will) there are previous posts here on how to contact the Better Business Bureau as a means to your ends.
-Good Luck
The truck doesn't smoke at all, there is some liter noise when at idol. The truck has 34,000mi on it now its done this from new.
Has anyone experienced this problem, how can I get the motor fixed while its still under warranty... Help!
Thanks in advance.
By-the-way....don't waste your time with the GM 800 number people, or anyone elso with GM...go directly to BBB.
Good luck....John
Anyway......my advice....get the 01 model.
John
Dean
Also I complained about a clunk in the driveline that happens from a start once in awhile. They did a service per the TSB that calls for the transfer case lubricant to be replaced, driven, flushed and refilled. They used something called "blue". Also lubed the drive shaft splines. Clunk is gone!!!!
Good Luck
bought a V6? Do you think the new vortec V8 engine problems (ping, etc.) have been resolved? I'd appreciate your input, since you have had a lot of experience with these new trucks.
Thanks.
The 01 4.8 felt the same as my 00 4.8 and the same as my current 4.8 4x4. It was a more powerful than the V6 but not a large difference--if that makes any sense.
The 01 5.3 was noticeably more powerful than the V6 and 4.8. The jump to the 5.3 was different (more power) and I felt like kicking it!
Funny thing.... they all ran about the same at the 70-75 mph. I think I remember the 5.3 running a little less than the others (makes sense).
Depending on what you want out of a truck (towing, hills, etc.), the V6 felt fine with me. However, there is one test I could not do that would be important to me: how does running down the interstate at 80-90 with the V6 feel compared to the V8s. It (V6) would have to run without a lot of stress on the motor before it was acceptable to me.
Just my opinion, of course.... will probably doing more test in the future.
John
John
I was curious about gas mileage in the V6 extended cab also. I am getting 20 city/27 highway in the reg. cab - but that is with very careful driving. I think strictly highway driving would exceed 27. I wonder if the extended cab would do as well.
I suspect the V8 might get better mileage with a heavy load or towing, but I doubt it - my guess is that you would just have trouble keeping your speed up with the extra weight - what was your gas mileage difference in your 91 V6 under those conditions?
Read back a few messages and see my post with the Chev TSB# and replacement part numbers that the dealer will fix under warranty. No need for you to be doing your own adjustments on a 2001 model. That is the great thing about a new truck. The tools get a rest.
The doors shut fine after I had the TSB work performed. No more rattles plus a lot of the wind/road noise went away.
Good Luck.
I work for gm ,I contacted a executive of gm twice and you know what he told me?we know we have a problem with these trucks for 2 years and we don't know what it is,and he told me he would deny it if someone ask.the Vibration problem.
Good luck
I can't remember the gas mileage I was getting with my 91 V6 (it was a reg. cab), but I think I was getting about 20 or so. I can't remember for sure. Sounds like you're getting great mileage with your V6....I'm getting about 16.5 (average) with 4.8 4x4 driving 75-80 on highway.
I think the V6 is a fine engine and when I but another truck, I'll probably get the V6. However, I seem to change my mind pretty often....... by-the-way, I drove another V6 (ext. cab) Saturday and I noticed it had a ticking motor noise...kinda like what I have now. The dealer (of course) said it was normal (it had 3 miles on it) -- my response was: why don't they all do it if it's normal? The V6 I drove prior to Saturday purred like a kitty....it was nice and quite. It did not make me feel good knowing that new 01 GM motors still had the tick/motor noise. It may have just been that one.
John
'00 Silverado xcab 5.3 3.73
Now, if I can only get rear windows that don't leak air. Had the new ones installed and worked fine for a couple of weeks until I noticed a substantial amount of wind and road noise. Checked the passenger side rear window and have a seperation of weather stripping from the window itself. Was tempted to use silicone, but won't let GM off the hook that easily.
John
John
A fix would be nice.
john294
Most of the performance bolt ons that I've seen is for the 4.8, 5.3, 6.0. I haven't seen any for the 4.3. I'll do some quick searching and see what I turn up. What will probably happen, I'm just guessing, is that you may have to modify bolt ons for the S10 as I've seen quite a few for them with the 4.3.
My engine mods:
Granatelli MAF $300 10HP
Airaid $275 8HP
Torque Master Plugs $95 6 HP
Magnecor Racing Wires $115 5HP
JBA headers $500 15 HP
Hypertech III Performance Programmer $300 10HP
160 degree thermostat $45 2HP
Power Vault Catback system $525 20HP
Suspension:
Roadmaster Active Suspension $200
Edlebrock Shocks $300
Velvet ride shackles $150
Michelin LTX M/S 275/70R16 $300
Appearance:
Pace Edward Rolltop Tonneau $700
Smitty Bilt nerfs $300
Mudflaps $75
Putco Stainless Steel tailgate cover and bedcaps $175
Lund Interceptor bugguard $40
Billet Chevy bowtie $40
Limo tint quarter windows and rear windows
35% tint driver and passenger windows.
As far as performance increase, my best guess without dyno is 40HP
Dean
My rough idle was from defective platinum tipped plugs. Dealer replaced 7 & 8 plugs at 5K and the rough idle was totally gone and engine felt more powerful. The rough idle is back at 9K, and I will replace all of them with NGK plugs soon as weather warms up a bit.