Randy in Maine
Samba Member
Joined: August 03, 2003
Posts: 34890
Location: The Beach
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 Posted: Sat Sep 11, 2004 4:01 am Post subject: |
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Down. From the baywindow FAQs:
1.1 Compression Testing:
You've bought a compression tester but it doesn't contain any instructions. Here's what to do:
adjust valves if it's near adjustment time
break torque on the plugs so you aren't removing them when the threads in the head are softer from the heat. Just keep them snug.
run the engine for 5 minutes to warm it up
remove the plugs
key off to disable coil and injectors
unplug double relay
There is now no fuel spray or spark.
hook up your remote starter (very useful for this procedure; disconnect battery, hook up, reconnect).
thread in your compression gauge
open the throttle wide open for maximum breathing
run starter for 10 events
repeat and average your readings
put a drop of oil on the threads of the plugs when you put them back in and torque them down when the engine is cold. Bentley says 22 ft. lbs which also jives with the valve specified on the spark plug box.
Removing the coil wire doesn't do much because the spark plugs are already out unless you have to rely on the key to run the starter. In that case also remove the white wire to disable the injectors.
The bigger problem is that the starter, via double relay, is going to run the fuel pump so it has to be disabled by pulling the plugs on the firewall.
The remote starter I like is the one from Sears (#21018 from Sunpro/Actron) with the light on the top that tells you the power is on.
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