Many of the answers to common questions on the forum can be found here. Keep in mind that virtually anything that can happen to one of these has already happened and has probably been discussed before, so take a look around before you post. You may just find exactly what you're looking for...
Adding to the 6.2 FAQs - If you see a topic that you want to add or think should be added, please paste a link in a PM to DiaRic OR Freddyack
Basic Info and Forum Usage -
Other Information and Frequently Asked
Build your ideal 6.2 diesel truck here, lets see how creative we are-Click Here
Let's post up our Detroits -Click Here
6.2 DIY Articles -Click Here
Lets see the operators-Click Here
Square Bodied Restoration Threads -Click Here
ATTENTION ALL MANUALS AND INFORMATION UPLOADS, SKIP TO THE BOTTOM OF THIS PAGE FOR A FULL LISTING.
- Do not use in your tank!! It easily evaporates at 70deg.
- AC Box Mod to fit GM 6.5 Turbo Click Here
- Find out meanings to common acronyms
- Anything added to crankcase or fuel tank to enhance and preserve operation of the engine system.
Air In Fuel
- How to remove air from fuel or find a leak in the fuel system Click Here
- Air in fuel when making right turn Click Here
- This allows air to go into the intake manifold... For modifications to this please Click Here
(J Code) Intake Information: https://www.dieselplace.com/forum/63-...ml#post9290602
- Device that generates current to charge the batteries and power other electrical devices within the vehicle electrical system. Click Here
on how to mount a second alternator on your 12 volt rig for added charging power.
Alternator Upgrade Info
-22SI 130 amp Alternator Upgrade Click Here
AND Click Here
Alternator- Dual Belt
- DIY on how to upgrade your single belt pulley to a dual belt to stop slippage. Click Here
- Any fuel that is not Diesel. SVO, WVO, Bio-Diesel
Belt Routing Diagrams
- Diagrams on belt routing can be found in this thread
Bleeding Fuel Lines
- For information about removing air from your fuel system check out this thread
- Part numbers for Block Heaters. Click Here
- Device used to slow or stop a vehicle.
- GM Sales Brochures, Commercials & Promo's.
Cab Marker Lights
- How to add them if your truck didn't come with them. Click Here
CDR - (Crankcase Depression Regulator)
- Similar to a PCV valve on a gasser. It regulates the amount of vacuum in the engine crankcase to prevent oil leaks. Click here
for technical info.
- Click here
Cranking up the fuel
- please see turning up fuel
CTS (Coolant Temperature Sensor)
- see ECT
- See here on reading the date code Do i have a "red block"? - Page 2 - Diesel Place : Chevrolet and GMC Diesel Truck Forums
ECT (Engine Coolant Temperature) -
Sensor that either shows the temperature on your gauge or helps with glow plug time cycle.
- Exhaust Gas Temperature. It is important that you know the temperature of the exhaust, as a constant high temperature "may" cause a catastrophic failure. For information regarding a gauge to monitor the EGTs, please see Pyrometer
Electric Fan Upgade
- Upgade for electric fan. from 6.5 section, but lots of great info. Check Here
- Engine code is the 8th digit of the VIN.
Ether and the 6.2 Check Here
- C - code is the light duty version that was used mostly in the 1/2 ton trucks, and has emissions equipment on it.
- J - code is the Heavy duty version that was used in the 3/4 and 1 tons trucks, as well as the military trucks and does not have any emissions equipment on it. The IP's were turned up a little higher on these than the C-codes also.
- Diagrams on fan / accessory belt routing can be found in this thread
- This is a fluid clutch that operates the engine cooling fan. It helps reduce noise and engine drag resulting in higher fuel economy. To modify the clutch to engage at lower temps Check Here
- Dinosaur Fan Upgrade Check Here
Fast Idle Solenoid Override
- How to run the fast idle on a switch and keep it auto Click Here
- (or fishbiting)
This is the description for when the engine may "miss" or may not fire properly for a very brief instant.
Fuel Additives Study
DP Additives Study Check Here
- Filtering Diesel fuel is very important. Fuel can be dirty and the injection pump requires clean fuel to last.
Fuel Flow - Making Right Turns
See Air In Fuel
- Air in fuel when making right turn
Fuel System Leaks - How To Find
- Thread on how to find fuel leaks in the fuel system Click Here
Fuel Line Sizes
- Steel line and rubber hose sizesClick here
Fuel Tank Drain
- Tank drain valve for tanks that have the WIF sensor in the tank Click here
for post with video of where it is.
- For Pictures Of Bad Fusible Links Click here
Gas to Diesel Conversion
- For a list if threads on what to change and the wiring involved Click here
- A small pencil-shaped heater used to heat the pre-combustion chamber for easier starts. For more information Click here
- Rubber-isolated cast-iron ring and hub assembly mounted on the crankshaft nose that is prone to failure. The balancer fails as the rubber deteriorates, and it contributes to crank breakage/failure.
Harmonic Balancer Install & Tool
Proper Tool Usage See Here
Heater Box Overhaul/Reconditioning
How to overhaul your heater box Here
Injection Pump (IP)
- The fuel delivery device that pumps high pressure fuel for injection into the cylinder at the precise time for a combustion event in the cylinder. The 6.2L used the DB2 Injection Pump from Stanadyne.
A Number Of Injection Manuals Are Below In The Manuals Section
- Injects diesel fuel into the pre-combustion chambers.
- Difference between 6.2 and 6.5 Click Here
- A device normally located on the front passenger side of the block that pumps fuel to ease the strain on the IP. A common procedure is to eliminate the mechanical lift pump and install an electronic lift pump.
- Engine briefly "misses" a combustion event.
Main Bearing Girdle
- How To Make A 5 Main Girdle Click Here
- PDF's- GOTO BOTTOM OF THIS PAGE Here
Motor Mount Inserts
- Poly Inserts Click Here
If you have any information that you want to add or think should be added, please PM DiaRic OR Freddyack