Has anyone changed their thermostat to a cooler one 195  to 180 for example
and  or has anyone changed their cap from 16 to 10/12 lbs  and what where
the results..Thanks.  97 5.7 auto

I have a '98 Blazer with the 4.3L engine.  For about 1 year it has been
running very rough, especially when it is damp outside and it has sat
overnight.  It usually will run well after about 30 minutes or so.
It has also gotten so bad on 3 occassions that it won't start at all

I am looking for a 1978-1980 3/4 ton 4x4 frame and running gear in
reasonably good condition. Anyone have any guess about what would be a
decent price to pay ?
Thanks in advance!

my truck has 165k on it,runs strong and everything works(4x4), but while
driving i can hear a whirring sound from the left front side, kinda sounds
like a seal squeeking on the axle. It is speed related but the bearings
feel good. Could it be an axle seal dried and squeeling? it is ...

I have a 2005 GMC Sierra Z-71 with <6000 miles on it.   We've had a mild
winter up here in the northland but lots of snow/slush.   I usually run the
truck through the touch-free car wash every couple of weeks...weather
permitting.    I just gave it a good hand wash and notice ...

My truck has been struggling to start in the mornings, especially when it's
humid outside.  I thought for it needed a tune up, I have 140,000km on it,
and never had a garage touch it.  I got a garage to tune it up, new plugs,
wires, cap, rotor etc.  The stupid thing starts better ...

I was wondering if my warranty (not the oringinal 36k/3yrs, but
extended through GMAC) would void if  I was to put a 6" suspension lift
on my silverado?

I want to remove the head rests so I can take the after-market seat
covers off.  There is no button to push to release them.  Help!
Thanks

my 98 S10 has started loosing water from the plastic bucket by the radiator.
(or somewhere)
as i cannot find a leak.  Its not in the oil. It doesn't miss fire'
Cannot see any leaks on ground after setting a while

I am competmplating the purchase of an '01 or '02 2WD extended cab Silverado
LS.  I still can't get excited about the grille style of the '03s and newer,
plus a newer truck doesn't fit the budget right now either.  I am looking
for some opinions as to whether or not the 4.8 is an ...

Help! My 91 chevy truck is not getting fire at all. I have replaced the
ignition switch, coil, ignition modual,computer, dist cap and rotor. There
is 12volts to the coil and 12volts from the coil to the modual but nothing
out the top post of the coil. I've heard of buying bad coils ...

88 k-series, 4x4, 5.7.
During acceleration it knocks. Kinda like like low octane knock, but
not as deep as bottom end knock (thank God). Problem is I've never had
low octane knock in 250K miles. A friend who is a mechanic for UPS said

need help if possibe, getting a small drip from under the truck near the
back of the motor need help in solving it thanks

A 2000 Astro. Been losing coolant for about a month, i thought it was a
leak but never saw a puddle. yesterday overheated. looks like its right
behind the alternator. thinking its the thermostat. how do i get to it.
i've tried b4 and i cant figure out how to remove the doghouse.

Any one know what the normal time/mileage is to flush the coolant?  the
light juts cme on last night, got 78K.