Hi all,
You may recall a recent post from me referring to a gearbox glitch I have
been having.The box will suddenly drop a gear (even feels like nuetral
sometimes)and revs will rise with a splutter, car goes nowhere with a puff
of smoke from the exhaust,and equally suddenly will drop back into the
original gear and drive normally.This seems more frequent once the car has
warmed up.
Well I have flushed the box with fresh oil and certainly gearchanges are
smoother although 1st to 2nd can still seemed slightly strained but the
problem continues.It has now happened 5-6 times in the 500 miles.
Other tasks I have done , are reset the idle and clean the intake of all the
slurry,WD40’d the electrical connections around the Maff etc (just for you
Brett).
Other than that fault the car appears smooth and quiet. Very odd.
Phil
'90 68000mls 4L auto with sports box._________________________________________________________________
Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp.
Other tasks I have done , are reset the idle and clean the
intake of all the
slurry,WD40’d the electrical connections around the Maff etc
(just for you
Brett).
Other than that fault the car appears smooth and quiet. Very odd.
I would wd40 ALL the electrical connections, check the relays
(also in the dash), and the ecu connections and grounds.
Don’t forget connections like the ignition amp.
One thing to look closely at is the throttle position sensor.
It should change resistance smoothly and without jumps as
you slowly open the throttle.
Its a part that wears, since it moves a lot, and has input
on both the transmission and engine ecu,s.
I don’t know if you guys know but WD40 was invented to be a plane
deicer.
It has an affinity for water and cleans well. Unfortunately, you need
to blow dry it and add dielectric lubricant to really improve
conductivity. I never did believe it was much of a big deal until I
used it and WOW what a difference. Ran like a new car or felt like a
supercharger kicking in, which should not be misconstrued as adding any
power but rather allowing me to use what I was missing with poor
electrical contact and resulting misfiring or injectors and week spark
plugs etc.
Jay 90 Majestic
Brett Gazdzinski wrote:> Phil,
Other tasks I have done , are reset the idle and clean the
intake of all the
slurry,WD40’d the electrical connections around the Maff etc
(just for you
Brett).
Other than that fault the car appears smooth and quiet. Very odd.
I would wd40 ALL the electrical connections, check the relays
(also in the dash), and the ecu connections and grounds.
Don’t forget connections like the ignition amp.
One thing to look closely at is the throttle position sensor.
It should change resistance smoothly and without jumps as
you slowly open the throttle.
Its a part that wears, since it moves a lot, and has input
on both the transmission and engine ecu,s.
A dielectric will not improve conductivity and why should we want to - we
don’t want to short out connections!
The definition of dielectric is “non-conductor”.
WD40 has no affinity for water - it has the very opposite that is why it
will disperse water droplets.
Norman Watkins> Phil/Brett
I don’t know if you guys know but WD40 was invented to be a plane
deicer.
It has an affinity for water and cleans well. Unfortunately, you need
to blow dry it and add dielectric lubricant to really improve
conductivity.