God help you if they have to remove the engine - they might slip and you'd find the grill on THIS side of the Atlantic.
Sorry, I couldn't resist... I have, on occasion, put extra "beef" on a stubborn fastener, and the "oops" that followed was, and is, the stuff of legend amongst my friends.
BCingU, Jim
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'96 E300D 58k mi (wife's daily ride)
'95 Audi 90 118k mi
'92 GMC Suburban 138k mi
'85 300SD 230k mi (my daily ride)