El Paso herald. (El Paso, Tex.) 1901-1931, 1917-09-08

shows itself is the running down hill
with the throttle partly open.
Timing Gear Knock.
a worn timing gear may give any
I thing from rattle TO steady pound
/ II all depends on the number Of teeth
/ that are worn and the extent to which
] they are rubbed away. A new gear is
| the only cure Generally the makers
! CT the car provide an oversize idler
/ gear that will go in the place Of the
Z worn one and take up the back lash.
Loose tappets and sticking valves
Z give rise TO a tapping sound that IS
readily located once the valves are
! suspected On the other hand. worn
sound that Will often be confused
with rod knock. The cure is new
rings or oversize pistons.
Improper oil, OverheatinE, bad
weather circulation, etc, all give
over overheating with the result that
carbon forms quickly and the carbon
knock occurs. In other words, the
mOtorist must remember that the car
bon may often be the effect as we'll
as the cause, and removing the car
bon is only temporary relief.
Misfiring is as common as the
knock in the list OF troubles. It may
vary all the way from an OCCASIONAL
miss 10 a steady habit OF hitting on
from one TO II, in accordance with
the number Of cylinders Missing is
pl0-ed, 10 poor wiring connections.
broken down coil, improper adjust
ment OF the breaker points, dirty dis
tributOr, dirty plugs and improper
spark gaps at the plugs. A short cir
cult Will sometimes interfere and
very frequently the battery may be
too weak. It takes such a low cur
rent however, 10 run the ignition /
system that the battery is rarely at
fault Valve and carburetor troubles
also cause miSfirinE-
MisfirlnE Remedies.
All OF the misfiring remedies are .
obvious; the trouble is 10 know how /
to locate the trouble and how to re- 7
pair II in the particular system. Igni- /
ton troubles are something which ]
must be searched for methodicalIy, /
and II the trouble is not known at |
once, Il would be well TO take the I
troubles mentioned in order.
II the troubles are in the breathing 1
carburetor and the valves, Il is gen
orally due TO the fact that gas is .
leaking by because they are not seat /
ing tightly This may be due to ad-
Juslment OF the valve tappet or It'll
may be because the valve is worn so I
that it cannot seat perfectly. In the
Ilrst case II Is matter Of valve ad- .
Justment by means Of the nut at the
potion OF the stem, and in the second /
instance IL is matter OF grinding in I
The carburetor Is seldom At fault
these days. They have been perfected I
and simplified to such an extent thar Z
the best thing an owner can do with .
them is to leave them alone. When ]
dirt gathers they must be taken off I
and cleaned, or else partially assem- I
pied right on the engine A dirty car
oureter can be told by the refusal OF /
the engine to accelerate without /
splitting back And occasionally they
VIII spit back into the carbureter I
when travelling at high speeds. Case I
line IS not being fed rapidly enough. I
and hence the trouble
Mlsflrtng and knocks are the two
general trouble indications which
take In most OF the faults en-
countered by the driver. There Is an .
assortment OF miscellaneous Kisses.
squeaks and grOans which make l
themselves heard from time to time: I
out as rule they are quickly found /
oy casual inspection. Use good oil
the kind recommended BY the maker
OF your car, keep the engine clean and II
the cooling system flushed, and Won 4
VIII have good service for thousands I
o. miles spent over years Of happy l
travel whether for business or pleas 1