Evening star., 1925-10-11
MANY TROUBLE REMEDIES
ADD NEW COMPLICATIONS
Using Heavy Oil for Knock Is Particu-
larly Dangerous-Too Much Tinkering
With Car Should Be Avoided.

uphill in high gear. In almost ever
car in service the rods are a little
out Of line, when measured with an
alignment instrument. To line them
UP frequently means weakening them
In looking for trouble, many a car
owner has found himself collecting IL
lot OF new trouble. Almost invari-
ably q mechanic will set out for tes.
hill when he is looking for trouble,
and test hills have given motorists
| more trouble than they have ever
helped to remedy.
A favorfte carburetor test is to al.
low car to come to a creeping speed
at the bottom of the test hill and
then observe conditions as the acceI-
orator Is pressed TO the floor. A
good mixture will permit the average
car to climb steadily, provided every
thing else is in proper working or
der. If the engine balks immediately
the carburetor is suspected. but If
the baking does not develop until
after the engine has pulled FOR a while
the trouble is more likely to be due TO
sticky or badly adjusted valves. over.
heating or distributor trouble. Mean
while the engine is forced to labor
Avoid Complications.
Before applying any remedy for
trouble, or making any test TO ascer-
tain the cause of the trouble the
motorist is justified in asking, rs this
going to complicate matters by giving
me some new worry" He can we'll
afford to ask himself whether there is
some remedy that will not entail a new
difficulty.
If possible, it is well to ask a. re
pairer to take for granted the accuracy
of ones description OF a car trouble.
rather than to take him out for 4
ride and demonstrate it. Recently an
owner complained of peculiar buck
ing action Of his car at about 20 miles
an hour. 1t was something the me-
chanic clearly understood and dem
onstration was suDerfiuouS. But the
owner insisted upon showing the trou-
bic in action. Before he had returned
to the repair shop the universal joints
had been strained. When the skip
was removed from the motor there
was a new looseness in the universalS
Unless the remedy is unaccompanied
by further troubles it is best to reject
Il and put up with the original trou-
BILE. To get rid of a click in valve
tappet many an owner has spent
money at repair shops only to come
away with tappets adjusted too close
ly, resulting in noise and skipping
when the engine heated up. Carbon
hiioNhS al c Dul Ibl
so serious as a leaky cylinder head
gasket. Power is very desirable, and
quickly missed when it isn't in evi-
dence, but many d valve grinding Job
has ended in disappointment. Not all
mechanics are SO skillful and so care
full as to keep the valve grinding com
pound tan abraSive) away from the
valve stems and guides. When 4
valve guide Is worn it leaks, thus per
mitting a little air to enter the cylin-
ders and dilute the mixture.
Sometimes there will be enough
gum on a valve stem to stop an air
leak in a worn valve guide. Thus
when the valve stem is cleaned and
polished and put back into the same
valve guide, the owner finds himself
with an engine that skips annoyingly
at low speed in traffic. That may be
more of nuisance to him than loss OF
power on a few hills.
tCopyright. 1a25.]