The head has to come off to replace a valve. That'a a pretty big job.
The 1998 Dodge Grand Caravan 3.8 liter engine EGR valve can be found on the top of the engine. The EGR valve will be near the back of the engine.
You can replace your 1998 Buick 3.8 liter engine with a Buick 3.1 liter engine. You will need to change the motor mounts and some of the wiring harness will need to be modified.
This engine is chain driven and has no timing belt.
center of valve cover at rear of motor
on the bottom of the charcoal canister on the drivers side of the engine compartment.
4.0 liter v6 ======================================================== The above answer is partially correct If you have a 1998 Ford Explorer ( XLT trim ) You could have a 4.0 liter Single Over Head Cam ( SOHC ) V6 engine or a 5.0 liter V8 engine ( which is an Over Head Valve / pushrod design engine )
how remuve and remplece pvc
In the 1998 Mercury Mountaineer : The 4.0 liter SOHC - V6 engine has ( 3 ) timing CHAINS The 5.0 liter V8 engine has ( 1 ) timing CHAIN
on the engine valve cover , drivers side , towards rear of cover , near firewall
THERE ISNT ONE THERE IS A PCV VENT LOCATED AT THE REAR OF THE ENGINE
No , the 1998 Ford Explorer came with ( 3 ) engines : The 4.0 liter over head valve / pushrod design engine ( the 8th " character " of the VIN is an " X " ) The 4.0 liter single over head cam ( SOHC , the 8th " character " of the vin is an " E " ) and the 5.0 liter V8 engine which is an over head valve / pushrod design engine , the 8th " character " of the VIN is a " P "
No, it does not.