Search results

How do I remove the rear seat back rest on an '87 GN ? Do I have to remove the seat belts first ?

I am rep;acing all the sensors on my 87 GN. I cannot figure out how to remove the fan coolant sensor connector. I do not want to break it so can anyone tell me how to release it from the sensor? Thare appears to be a metal tab on the side which I tried pulling and pushing but no luck. The...

My electric fan runs all the time when the key is turned to "ON" or when the engine is running. I has the top radiator hose come loose at the block and it sprayed antifreeze all over the motor before I could shut it off. Happened while it was idiling and hood was open. Re attached the hose and...

Made the mistake of ordering an exhaust system for a GN from Pype's Exhaust. I was charged $500.00 plus $45.00 shipping, totaling $545.00 A few days later I saw the same system advertised on one of this sites sponsors page for $150.00 less. I called Pype's and they said they charge more...

Can anyone tell me who makes/sells the best quality 87 ' G/N front bumper filler strips. Are they difficult to install? Looks like maby the bumper has to come off ? Thanks in advance for any assist on this. Mike

I want to replace my not working 1987 G/N's A/C compressor which is the original and blows hot air only, it has never been converted to R134 refrigerant and I cannot find R-12 here in N.J. Can my original be converted to R- 134 by a local shop ? Does anyone know the difference between the two...

I have a new set of valve cover gaskets, Fel Pro cork material. I used Permatex copper spray to hold them nicely to the covers. Do you put any sealant on the side that touches against the head or instell them dry ? Thanks....

I read a thread recently but cannot find it regarding a new design low/no drone high performance muffler. Can some one tell me more on this ? Do they make one to replace the original OEM GM muffler ?

Why did GM do a recall on the original factory chip on the 87' GN's I ignored the notice and still run the factory chip but am curious exactly what the difference is in the GM recall chip.

I installed a Duttweiller Neck on my stock 87' GN intercooler. I understand this will increase boost about 2 psi over stock setup. Now do i have to adjust anything like reduce the boost pressure back to stock to avoid detonation/knock. I understand that this mod allows the turbo to not have...

I just installed a Duttweiller Neck on my stock intercooler. I understand this will increase boost about 2 psi over stock setup. Now do i have to adjust anything to reduce the boost pressure back to stock to avoid detonation/knock. I understand that this mod allows the turbo to not have to...

Can anybody recommend someone who knows how to weld on a Dutweiler intercooler neck using my original ? I have the intercooler out of the car for cleaning and decided to have it done after all the grief of pulling it out. After reading the "Spring Cleaning" guide, they made it sound so easy...

I am changing my v/c gaskets and cleaned up the stock 87' valve covers but they look pretty dull. What finish did they have from the factory ? I don't want to powder coat them but would like them to look new.

87 Grand Nat 35K -original EGR valve broke. The three screws holding the diaphram to the base sheared off so I am shopping for a new one. Any suggestions as to the best make available. NAPA carries Echlin and also Delphi brands. Local Buick dealer checked computer and found no originals are in...

I have a stock 87 G/N and have a problem breaking the rear tires loose on launch. (They DO NOT break loose) I recall this car having a lot more power off the line when it was new (has 34K now) and had trouble getting traction off the line then. The transmission is not slipping and after a...

I installed a set of AC Delco R44TS plugs for my 87 GN. The 87' GN owners manual stated that is the correct plug and shows a gap setting of .045 A day later I read on the forum the "Spring Cleaning recipe" and see that it recommends a different plug, R43TS or a R42TS depending on the engine...

Can anyone please tell me how to remove/replace the windshield washer pump ? I can see where it is located, inside the motor housing. Do I have to remove the wiper motor from it's bracket (3 screws and the linkage nut) to get at the pump ? I do not hear the pump run when I activate the...