Question about 1987 Buick LeSabre
Remove the intake manifold first, then the valve covers, make sure then the #1 piston is up to top dead center on compression stroke and the marks are lined up on the timing tab, loosen all the rocker adjustment nuts and remove all pushrods keeping the in order for re-installation, then remove all head bolts starting from the outside ends and in a circle. Best to have a torque sequence from a manual for that final thing. Then use a bar of some kind to pry under the head at manifold surface and pop them off. Be sure to keep those push rods in order for they are worn to configuration for each rocker and lifter.
Posted on Nov 15, 2014
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Posted on Jan 02, 2017
Removal & Installation
Here are links to more diagrams. Best of luck on your repair.
Posted on May 20, 2009
The EGR Valve on this 3.8 L engine should be in front of the throttle body on the drivers side of the engine just to the right of the front valve cover. If you locate where the intake tube/duct attaches to the throttle body and then move just a few inches toward the front of the car it should sit right in that spot. It will have two bolts attaching it to the intake/tube. Hope you find it!!
Posted on Jun 23, 2009
its just a gestament based on my experience with the cost of submersible electric tank pumps costing around $150 so allow around 200bucks for pump & labour although some pumps are over $300
Posted on Jul 28, 2009
i have a 94 and the same problem i added some lucasd transmission stopleak and it worked for a time but I know i need to have it checked by a shop
Posted on Aug 25, 2009
SOURCE: installing ignition module
Unscrew the ignition coil(s) from on top of the module...(leave plug wires attached)....and set aside noting coil position on module....unplug module and replace with a known working module.If there is grease under old module...transfer it to new module.Replace coil(s) and start her up.
TIP. While you are there,why not also change the crank sensor (if it not new).....it is THE trouble maker on these engines.
Posted on Nov 03, 2009
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