3.0l. How do I replace timing (chain) cover gasket?

Oil leakage in the timing compartment of an engine can be caused by a variety of factors. Some common causes include:

1. Worn or damaged valve cover gasket: The valve cover gasket is responsible for preventing oil from leaking out of the timing compartment. If this gasket becomes worn or damaged, oil can leak out of the compartment.
2. Worn or damaged timing chain cover gasket: The timing chain cover gasket is responsible for preventing oil from leaking out of the timing compartment. If this gasket becomes worn or damaged, oil can leak out of the compartment.
3. Worn or damaged oil pan gasket: The oil pan gasket is responsible for preventing oil from leaking out of the timing compartment. If this gasket becomes worn or damaged, oil can leak out of the compartment.
4. Worn or damaged crankshaft seal: The crankshaft seal is responsible for preventing oil from leaking out of the timing compartment. If this seal becomes worn or damaged, oil can leak out of the compartment.
5. Worn or damaged camshaft seal: The camshaft seal is responsible for preventing oil from leaking out of the timing compartment. If this seal becomes worn or damaged, oil can leak out of the compartment.
6. Worn or damaged Timing chain tensioner: Timing chain tensioner is responsible for maintaining proper tension on the timing chain. If this tensioner becomes worn or damaged, oil can leak out of the compartment.
7. Worn or damaged Timing Chain: Timing chain is responsible for maintaining proper timing of the engine. If the timing chain becomes worn or damaged, it can cause oil leakage in the timing compartment.
8. Low oil level: If the oil level in the engine is low, it can cause oil to leak out of the timing compartment.

It's important to address oil leaks as soon as possible, as they can lead to serious engine damage if left unchecked. To determine the exact cause of oil leakage, it's best to consult with a mechanic or take the car to the service center.

Is this for a gasket or for the timing chain replacement ?
It's pretty complicated engine but that seems high for just a gasket.
It may be that you were quoted for a timing chain replacement along with the gasket repair.
Ask for clarification and get a second estimate.
If it's not leaking that much and little oil spots/droplets aren't showing up on the rear of the vehicle and you check the oil all the time, $3900 will buy a lot of oil.

is the 1.6 liter a six cylinder or slant 6 cylinder by any chance. if not. look for fuel pump location, is this where the oil dripping. or cover that has bolts that have a cover there, if so the gaskets for the cover or the fuel pump gasket needs replacing., try crawling down there when the car is running and see if it linking from the oil pan toward the front cover of oil pan. look where the timing chain location it on the front of motor, and the fan maybe blowing the oil over there. or it could be the vavle cover top cover where the lifters are located, the oil can be linking from there and running down the motor, you will idea the bad gasket remove the bolts, clean off oil, old gasket material, new gasket sealant and gasket sets, bolts down, lets setup few hours, refill oil levels, and everything should be okay.

for more help
www.ask.com/
www.wikipedia.org/
www.infolinks.com/
www.info.com/
www.about.com/mfg.name/make/model/year/
/gasket/replacement/instructions/
/head/gasket/
/vavle/cover/gasket/
/timing/chain/cover/
/fuel/pump/gasket/
/side_panel/cover/gasket/
/oil/pan/gasket/
/type/of/gasket/sealant/

and

www.youtube.com/how/to/fix/gasket/problems/for/?????????????/

Yes, oil commonly leaks from its valve cover gasket the only way to fix this problem is buy replacing the gaskets. -----------------------------------------------------------------------------------
car cables & obd conectors

Dear Sir,
Here is the oil leaking Problem Identifying Technique

Engine oil leaks from the valve cover gasket are common.

The intake manifold plenum gasket may leak and cause increased oil consumption/burning and a spark knock during acceleration; the gasket should be replaced.

External oil leaks from valve cover gaskets, intake gaskets (front or rear), and the rear crankshaft (rear main) seal area are common. The rear main seal is an unlikely source. Normally, the bearing cap mating surfaces (as well as the sealing surface between the oil pan and bearing cap) are the source for the leaks.

Engine oil leaks at the distributor can be misdiagnosed as leaks from theintake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.

If the oil filter casing shows signs of distortion from excessive oil pressure, theoil pump should be replaced.

Often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.

Carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

I think it helps to analyse u r Problem

YOU NEED TO REPLACE TIMING COVER OIL SEAL AND THE TIMING CHAIN AND TIMING CHAIN TENSIONER.REPAIR SHOP WILL CHARGE YOU PLUS LABOR.ABOUT $500.00

CHECK FOR LEAKING WATER PUMP WEEP HOLE OR GASKET.ALSO CHECK WATER PUMP HOSE FOR LEAKS.IF ALL LOOKS GOOD.YOU COULD HAVE PINHOLE LEAKS IN RADIATOR CORE LEAKING ON FRONT OF ENGINE OR INTAKE MANIFOLD GASKET LEAKING COOLANT.

check the timing chain tensioner gasket assembly and replace those gaskets and the rocker cover gasket you took off to do the chain work

u didnt indicate what is leaking oil or anti-freeze there is a gasket for the timing chain cover (oil) but the water pump is there also (anti-freeze)

Sounds to me someone wants to make a couple of bucks. Does the truck still run? The timming chain is going to have play in it, even with only a few miles on it THATS JUST THE NATURE OF THE BEAST, the chanses of the timming chain going out is remote, I've owned a few 4.3's with well over 100.000 mi. and never had to chg. a timming chain, not to say it can't happend just saying its very remote.