9
votes
Accepted
How does cylinder deactivation work?
The link @cory posted is the description from the service manual. Just a repaste and I'll add some images and additional information.
Cylinder deactivation is accomplished by not allowing the ...
- 10.7k
9
votes
Accepted
Before changing a fuel filter is it ok to let the line run dry?
While disconnecting the fuel pump relay and running the engine will work, there are other alternatives.
If you can access the Schräder valve, depress it to release the pressurized fuel before ...
- 39.1k
7
votes
Brakes are soft
There's air in the lines from the sounds of it, likely from them not correctly bleeding the system. An air bubble in the system will compress before the rest of the fluid in the lines, thus not ...
- 1,586
7
votes
Accepted
What is needed to put a stereo into a Silverado?
Things you will need:
Head unit
Steering wheel audio control adapter compatible with the head unit. Example for your truck
Dash kit. It allows for the radio to fit in the non-standard opening.Link to ...
- 3,363
6
votes
1996 Chevy K1500 Silverado ZZ4 5.7L - Rough Idle, Plug Damage, Overheating, EGR
I see the following possibilities:
Like dlu said: wrong range of spark plugs. Perhaps you can try some colder ones. When trying this: be sure to check the spark plugs soon, a too cold spark plug ...
- 8,448
6
votes
Before changing a fuel filter is it ok to let the line run dry?
You are correct in how to do this. I was just watching an episode of "Tech Garage" and they were talking about this very topic. Their suggested methodology was to pull the fuel pump fuse, and run the ...
- 9,326
6
votes
What all do I need to buy when installing new transmission and torque converter
If this is a newly rebuilt transmission which comes with a warranty, you won't need to replace the pan gasket and filter. These should be brand new and already be installed. Obviously you'll need the ...
- 153k
5
votes
Accepted
08 Silverado 5.3 rough idle and dark cold start exhaust
First of all, the 5.3l engine (could be all of the Vortec LS engines, don't know) is thirsty. It drinks a bit of oil. Be aware you could be looking at up to 2 quarts between oil changes. I don't know ...
- 153k
5
votes
Accepted
08 Silverado 5.3 cold start exhaust smoke and engine stall
Oil consumption in the LM7 engines is pretty common. The L33 in my '06 Silverado is around the same amount, maybe a little less. What you are talking about sounds more like a stuck/leaky injector. Oil ...
- 153k
5
votes
truck makes a tapping/knocking sound only happen the first start of the day and stops after truck is warm
Older vintage Silverados had a known issue with piston slap. It is worse in the winter but is always present even in warmer weather. The forums have been saying for well over a decade it has to do ...
- 19.9k
4
votes
Brakes are soft
went back and they bled the brakes again after telling me they were good twice and now they work like they did before the master cylinder went bad. Problem solved.
- 41
4
votes
Truck won't budge in neutral. Could it be due to a cracked transmission bellhousing?
The cracked bell housing would not be preventing the flywheel from turning as an automatic transmission doesn't work that way. The engine is not physically coupled to the transmission from a driven ...
- 153k
4
votes
1996 Chevy K1500 Silverado ZZ4 5.7L - Rough Idle, Plug Damage, Overheating, EGR
My first thought here is to tackle the problems methodically, one at a time.
The one that sounds most significant to me is the plug 5 damage – from what you've said it sounds like detonation (aka ...
- 14.4k
4
votes
Accepted
How to get a CD out?
I did some searching on the Interwebz and found this wiring breakout of the plug which goes into the back side of the stock head unit:
Here is an image of the socket in the back of the head unit:
...
- 153k
4
votes
How to verify the safety of a lift for a full sized pickup?
What I do if I'm not sure about the vehicle being stable way up there is:
gently nudge the vehicle side to side using only the strength from your wrists. Kind of like when you're checking if a door ...
- 12.2k
4
votes
Accepted
Replacing Front Suspension
I seem to remember with the old Peugeot 205, which had torsion bar rear suspension, the method was to count the splines on the bars and make sure the new ones went in the same way. Remember that the ...
- 28.7k
4
votes
truck makes a tapping/knocking sound only happen the first start of the day and stops after truck is warm
I'm new here, but there's a thing called piston slap. This is when the piston skirt gets worn and starts to hit the sides of the cylinder wall. It happens on older vehicles with high milage. If this ...
- 3,072
3
votes
Accepted
Problems turning left in a 2002 Chevy Silverado
In order to confirm the diagnosis, you may want to get a second opinion. Some shops will do front-end inspections for free. If the truck is more difficult to steer in one direction only, it does ...
- 12.2k
3
votes
Accepted
08 Silverado 5.3 engine "click"
There is more than likely one of two things going on here.
Sticking/Stuck Lifter
There could be a lifter going bad. These tend to make a lot of noise up top, then can quiet down after the oil ...
- 153k
3
votes
Accepted
2007 Chevy Silverado How to remove interior rust
If you want the truck to last, my suggestion is to take care of this surface rust as best as possible. This depends on the amount of work you are willing to go through to take care of it. Here is my ...
- 153k
3
votes
How to verify the safety of a lift for a full sized pickup?
Perhaps I will get some heat for my opinion but I do not like the shown jack stands. I have a (totally unfounded) fear that I could hit the lever with my feet and the stand collapses, that the locking ...
- 8,448
3
votes
Steering wheel not centered, has lots of play all of a sudden
Trucks often use a worm gear system as the steering mechanism. Older Chevrolet's use a recirculating ball steering gear which has small ball bearings in the grooves of the worm gear. There is an ...
3
votes
truck makes a tapping/knocking sound only happen the first start of the day and stops after truck is warm
More than likely the lifters are getting worn out. When this happens, they lose the oil in the body while sitting for a long time, then there's lots of excess valvetrain noise. Once the oil pressure ...
- 153k
3
votes
Accepted
Chevy Silverado muffler and/or exhaust is rattling
It just sounds to me like the inside of the muffler has deteriorated and is now rattling. About the only "fix" for it is to replace it.
- 153k
3
votes
Accepted
Wiper arm nut loosens
Use some light type Loctite 222 (no affiliation). It will hold the nut in place without the issue of it being hard to remove if you ever need to.
- 153k
2
votes
Erratic Oil pressure in a 2005 Chev 2500HD with 6 litre gas engine
Check the crank case ventilation. If it is blocked on the air intake side, a vacuum when under acceleration would suck against the oil in the sump. When you let off the gas, the vacuum would drop and ...
- 24.9k
2
votes
I have replaced my brake cylinders, but the brake pedal goes to the floor
It's fairly common on GMs when all fluid leaks from the system that you have to bleed the ABS Bypass Modulator Valve. This requires a scan tool with bi-directional controls.
- 10.7k
2
votes
2000 Chevrolet Silverado brakes dragging, 4 new rotors, 4 sets of pads, new e-brake shoes, new front calipers
I have seen this behavior with a bad ehcu but is rare, they have an internal valve for each wheel, but it does happen.
Internal collapsed brake hose I have seen many times, also sticking calipers use ...
- 8,010
2
votes
Accepted
08 Silverado static/scratching noise from dashboard
The gauges in the dash are actuated by motors. When you turn the vehicle on, they do their "power on self test" and start doing their thing getting the gauges set correctly. If one of them is having ...
- 153k
2
votes
Air conditioner is hot on one side
On a dual AC 2010 Ford Edge with both thermostats set for AC, the passenger side blew hot air, the driver side cold. I thought at first it may be a faulty blend door actuator on the passenger side. I ...
- 21
Only top scored, non community-wiki answers of a minimum length are eligible