Re: Removing the head on a 4.0 Wrangler

Will Honea wrote:
> Mike Romain wrote:
>
>> Dennis wrote:
>>> Hi, I have a 2001 Wrangler 4.0. I need  to replace the valve
>>> lifters. Can some one tell me if the head can be removed with the
>>> intake and exhaust manifolds attached. or do they have to come off
>>> first? It looks like a b_ _ ch to remove them in the vehicle.
>>>
>>> Thanks,
>>> Dennis
>>>
>>>
>>
>> I prefer to leave them on unless I am changing the gasket.
>>
>> Your lifters are bad?  That is unusual.  Be sure you just don't have
>> on a bad filter like those Frams eh.  Their drainback valve is no
>> good so it makes the lifters sound 'really' bad on cold starts,
>> 'really' bad.
>
> I don't think I've ever had lifters that were noisy on cold start that
> quieted as it armed up that weren't helped or completely cured by
> Mike's filter idea plus a good stiff detergent treatment.  I almost
> always start with a quart of ATF in the crankcase (drain/siphon some
> oil out first) about 100 miles or so before an oil change. Drive it
> for that 100 miles, change oil and filter and drive until the next
> oil change is due.  Repeat as necessary, but unless it's really
> gummed up one shot is usually enough although my current one took
> about three rounds to finally quiet down.  It had 110k on the clock
> then and at 185k it's still quiet.

SeaFoam from NAPA. :)

Also make sure it's not a cracked exhaust manifold.  That also
make a lifer like tick and seals when warmed.  Of course the cracks
eventually spread and the I6 starts to sound like a diesel.

-- 
DougW